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Marshall Kilburn III vs JBL Xtreme 4: 110 Highlights & 57 Differences — So, Which Portable Speaker Actually Works Better

Both speakers are built tough, but let's see which one offers better durability and aesthetics for your lifestyle. Still unsure between Marshall Kilburn III and JBL Xtreme 4? We compared their dsp processor type, channel configuration, sampling rate support & karaoke mic input mode, feel, and feedback from real users so you can make a confident choice.

64 Points
Marshall Kilburn III
63 Points
JBL Xtreme 4
vs

Highlights 203

No extras. Just what matters.
64 Points
vs
63 Points

Why is Marshall Kilburn III better than JBL Xtreme 4 ?

Scroll down for more facts

Marshall Kilburn III vs JBL Xtreme 4: The Ultimate Portable Speaker Face-Off

When exploring the landscape of portable Bluetooth speakers, the Marshall Kilburn III and JBL Xtreme 4 stand out as compelling options, each tailored to slightly different user preferences. Both speakers offer stereo sound, Bluetooth 5.3 connectivity, and rechargeable Li-ion batteries with power bank functions. They also share core features such as AUX input and multipoint Bluetooth support, ensuring versatile device pairing. 

However, fundamental differences arise in their design philosophies, audio power, and smart capabilities. The Kilburn III embraces a classic rectangular metal build with customizable controls, while the Xtreme 4 opts for a lighter, cylindrical form with robust durability enhancements and smart assistant integration. Below, we dissect their specifications and features to help you understand which might better suit your listening habits and lifestyle.

Distinctive Strengths of the Marshall Kilburn III

The Marshall Kilburn III exudes an unmistakable vintage charm with its metal finish and rectangular form factor, making it a stylish companion for travel and casual use. Weighing in at 8.14 lbs with a more compact height of 8.1 inches, it offers a solid presence without being bulky. One of the speaker's standout features is its customizable buttons, allowing users tailored control over playback and functions, a luxury often missing in competitors. 

Although it delivers a modest 36W RMS audio output, less powerful than the Xtreme 4, it still provides reliable stereo sound driven by a basic DSP processor. For users who appreciate a minimalist interface combined with classic Marshall aesthetic, the Kilburn III's solid metal chassis and strap attachment point enhance portability without compromising style. Charging via USB-C takes a neat 3 hours, offering a quick turnaround for those on the move. Despite lacking smart assistant functionalities or multi-room support, its user-friendly control scheme and iconic branding appeal to style-conscious audiophiles.

Why the JBL Xtreme 4 Dominates in Power and Features

On the other hand, the JBL Xtreme 4 is built to impress with its robust 100W RMS output, delivering exceptionally loud and clear audio suitable for parties, outdoor adventures, and lively gatherings. Its advanced DSP and support for a 48kHz sampling rate ensure a richer and more dynamic listening experience. Sporting a lightweight 5.9 lbs construction with a tall 10.2-inch height and a footprint area of 180 square units, it remains portable while commanding a presence. 

Durability is a major plus here: protective bumpers, a scratch-resistant coating, and a body made of plastic, fabric, and rubberized materials provide resistance to rough handling and temperature extremes up to 113°F. Beyond hardware, the Xtreme 4 offers modern smart capabilities like multi-room support and compatibility with voice assistants such as Alexa, Google Assistant, and Siri. Though it requires a slightly longer 3.5-hour charge, the USB-C port maintains fast and convenient power-ups. Plus, the speaker's included carrying strap and premium packaging emphasize its premium positioning without any compromise on usability.

Quick Take

In essence, the Marshall Kilburn III charms with its timeless metal design and customizable controls, ideal for users who value aesthetics and tailored operation. Conversely, the JBL Xtreme 4 shines as a powerhouse with exceptional sound delivery, rugged durability, and smart home integration, all wrapped in a portable, lightweight build. Both speakers support essential connectivity and power functions to keep your music going strong.

Bottom Line Recommendation

Choosing between the Marshall Kilburn III and JBL Xtreme 4 boils down to priorities: if you're after a speaker that combines stylish vintage looks with straightforward customization and don't mind a lower audio output, the Kilburn III fits the bill. However, for most users seeking impactful sound, versatile smart features including voice assistants and multi-room playback, plus enhanced toughness at a friendlier price point ($299.95 at amazon.com), the JBL Xtreme 4 is the smarter purchase. Ultimately, the Xtreme 4's blend of power, features, and portability makes it the stronger contender for everyday use, outdoor fun, and immersive listening experiences.

Verdict

  • Winner: JBL Xtreme 4 - Stands out with superior audio output, ruggedness, and smart assistant integration at a better price.
  • Runner-up: Marshall Kilburn III - Appeals to those who prioritize iconic metal design and customizable physical controls despite lower wattage and no smart features.

Comparisons 37

Two enter. One leaves your cart.

Price comparisons

(✱) Prices may be changed at any time without further notice.

Related comparisons 37

Because one duel is never enough.

Comparisons & Facts 203

Side by side. The numbers. The features. No drama.

We tested Marshall Kilburn III and JBL Xtreme 4 in real-world settings. Explore how they differ in specs, user control, sound response, and studio or live use cases.

General Information 10

Intended Use Case

What is the intended use case?

50 Marshall Kilburn III 0 Votes Travel

42 JBL Xtreme 4 0 Votes Home, Outdoor, Party

Marshall Kilburn III
vs
JBL Xtreme 4
Intended Use Case

For Intended Use Case, Marshall Kilburn III suits travel needs while JBL Xtreme 4 targets home, outdoor, and party uses, making JBL Xtreme 4 more versatile for varied environments.

Specifies the primary usage scenarios the product is designed for.

Finish Material

What is the finish material?

75 Marshall Kilburn III 0 Votes Metal

51 JBL Xtreme 4 0 Votes Plastic,Fabric,Rubberized

Marshall Kilburn III
vs
JBL Xtreme 4
Finish Material

Finish Material for Marshall Kilburn III is metal, providing a premium feel, while JBL Xtreme 4 uses plastic, fabric, and rubberized materials for rugged durability, favoring JBL for outdoor robustness.

Describes the outer surface material of the speaker.

Country of Manufacture

What is the manufacture country?

80 Marshall Kilburn III 0 Votes China

79 JBL Xtreme 4 0 Votes China

Marshall Kilburn III
vs
JBL Xtreme 4
Country of Manufacture

Marshall Kilburn III and JBL Xtreme 4 are both manufactured in China, offering similar country of origin manufacturing assurance for users seeking consistent production quality.

The country where the speaker is manufactured.

Form Factor

What is the form factor?

60 Marshall Kilburn III 0 Votes Rectangle

79 JBL Xtreme 4 0 Votes Cylinder

Marshall Kilburn III
vs
JBL Xtreme 4
Form Factor

The Form Factor differs: Marshall Kilburn III is rectangular, and JBL Xtreme 4 is cylinder-shaped. JBL Xtreme 4’s cylindrical design is more portable and party-friendly compared to the rectangular Marshall Kilburn III.

Defines the overall shape and style of the speaker.

Color Options

What color options are available?

20 Marshall Kilburn III 0 Votes Cream

9 JBL Xtreme 4 0 Votes Black, Blue

Marshall Kilburn III
vs
JBL Xtreme 4
Color Options

Color Options vary with Marshall Kilburn III in cream versus JBL Xtreme 4 in black and blue. JBL Xtreme 4 offers more choices for users wanting darker, more versatile colors.

Lists available color variants.

Product Type

What is the product type?

70 Marshall Kilburn III 0 Votes Bluetooth Speaker

69 JBL Xtreme 4 0 Votes Bluetooth Speaker

Marshall Kilburn III
Marshall Kilburn III

This product is categorized as a Bluetooth Speaker, primarily designed for wireless audio streaming.

Defines the broad category of the portable speaker.

Model Number

What is the model number?

81 Marshall Kilburn III 0 Votes Kilburn III

69 JBL Xtreme 4 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The model number of this portable speaker is Kilburn III.

Technical code used for identification and compatibility.

Model Name

What is the model name?

82 Marshall Kilburn III 0 Votes Kilburn III

72 JBL Xtreme 4 0 Votes Xtreme 4

Identifies the name the manufacturer assigns to the product.

Series Product Line

What series or product line does it belong to?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

Who knows? 0 Votes JBL Xtreme 4 (Help us out by suggesting one!)

Identifies the family or series the speaker belongs to.

Release Year

What is the release year?

100 Marshall Kilburn III 0 Votes 2025

94 JBL Xtreme 4 0 Votes 2024

Indicates the year the speaker was released.

Dimensions & Weight 15

Package Weight

What is the package weight?

8.14 lbs 0 Votes
Marshall Kilburn III
5.9 lbs 0 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Package Weight

Package Weight shows Marshall Kilburn III at 8.14 lbs and JBL Xtreme 4 at 5.9 lbs. Lighter JBL Xtreme 4 is more portable, ideal for users prioritizing ease of transport.

Total weight of the packaged product.

Footprint Area

What is the footprint area?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

180 inch 0 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Footprint Area

Footprint Area is not specified for Marshall Kilburn III but is 180 square inches for JBL Xtreme 4, indicating JBL requires more surface space, better for stationary setups.

Base area the speaker occupies on a surface.

Package Height

What is the package height?

8.1 inch 1 Votes
Marshall Kilburn III
10.2 inch 0 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Package Height

Package Height is 8.1 inches for Marshall Kilburn III and 10.2 inches for JBL Xtreme 4, indicating the JBL is slightly larger and potentially bulkier, better suited for stationary use.

Height of the product’s box or package.

The Kilburn III is a solid choice if you want a smaller package height at 8.1 inches, which fits better in tight spaces compared to the taller Xtreme 4.

See more

Handle Strap Length

What is the handle strap length?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

24 inch 0 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Handle Strap Length

Handle Strap Length is not available on Marshall Kilburn III but is 24 inches on JBL Xtreme 4, making JBL easier to carry over shoulders or hang, practical for outdoor activities.

The total length of the handle strap.

Handle Strap Width

What is the handle strap width?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

1.5 inch 0 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Handle Strap Width

Handle Strap Width is missing for Marshall Kilburn III, whereas JBL Xtreme 4 offers a 1.5-inch wide strap, reinforcing JBL Xtreme 4’s better portability and user comfort.

The overall width of the handle strap.

Width

What is the product width?

10.7 inch 0 Votes
Marshall Kilburn III
11.69 inch 0 Votes
JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The speaker measures 10.7 inch (27.18 cm) in width, providing a good balance between size and audio presence.

JBL Xtreme 4
JBL Xtreme 4

The width of the speaker measures 11.69 inch (29.69 cm). This dimension is important for understanding its physical size and how it fits into different spaces.

Measures the speaker’s overall width.

Depth

What is the product depth?

6.7 inch 0 Votes
Marshall Kilburn III
5.55 inch 0 Votes
JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

With a depth of 6.7 inch (17.02 cm), the speaker maintains a compact profile.

JBL Xtreme 4
JBL Xtreme 4

The depth of the speaker is 5.55 inch (14.1 cm). This dimension contributes to its compact yet robust design.

Measures the speaker’s overall depth.

Height

What is the product height?

5.9 inch 0 Votes
Marshall Kilburn III
5.87 inch 0 Votes
JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The speaker has a height of 5.9 inch (14.99 cm), contributing to its portable form factor.

Measures the speaker’s overall height.

Weight

What is the product weight?

6.17 lbs 0 Votes
Marshall Kilburn III
4.63 lbs 0 Votes
JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

Weighing in at 6.17 lbs (2.80 kg), this speaker is designed to be easily carried while still offering robust audio.

Total weight of the speaker itself.

Handle Strap Height

What is the handle strap height?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

0.2 inch 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The handle strap has a height of 0.2 inch (0.51 cm). This measurement indicates the thickness or profile of the strap itself, contributing to its ergonomics.

The thickness or height of the handle strap.

Package Width

What is the package width?

12.9 inch 0 Votes
Marshall Kilburn III
18.7 inch 0 Votes
JBL Xtreme 4

Width of the product’s box or package.

Package Depth

What is the package depth?

9.5 inch 0 Votes
Marshall Kilburn III
10.6 inch 0 Votes
JBL Xtreme 4

Depth of the product’s box or package.

Audio Performance 27

Output Power RMS

What is the RMS output power?

36 Watt 0 Votes
Marshall Kilburn III
100 Watt 1 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Output Power RMS

Output Power RMS shows Marshall Kilburn III at 36 watts versus JBL Xtreme 4 at 100 watts. JBL Xtreme 4 provides nearly three times higher power, ideal for louder and more powerful sound needs.

Continuous power the speaker can deliver.

The audio output power difference is huge here. The Xtreme 4 really shines with 100 watts compared to 36 watts on the Kilburn III which makes it perfect for bigger gatherings.

See more

Sampling Rate Support

What sampling rate is supported?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

48,000 Hz 1 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Sampling Rate Support

Sampling Rate Support is not available for Marshall Kilburn III but is 48000 Hz for JBL Xtreme 4, giving JBL an edge for high-resolution audio playback and clearer sound.

Highest digital sampling rate supported.

JBL Xtreme 4 supports a 48kHz sampling rate while Kilburn III doesn't have this spec. This higher sampling rate likely means richer sound quality on the Xtreme 4.

See more

DSP Processor Type

What type of DSP does it use?

50 Marshall Kilburn III 0 Votes Basic DSP

99 JBL Xtreme 4 0 Votes Advanced DSP

Marshall Kilburn III
vs
JBL Xtreme 4
DSP Processor Type

DSP Processor Type is Basic DSP in Marshall Kilburn III, while JBL Xtreme 4 has Advanced DSP, offering JBL superior sound processing capabilities for higher audio quality.

Type of digital signal processor used.

Channel Configuration

What is the channel configuration?

60 Marshall Kilburn III 0 Votes Stereo

59 JBL Xtreme 4 0 Votes Stereo

Marshall Kilburn III
vs
JBL Xtreme 4
Channel Configuration

Channel Configuration is stereo in both Marshall Kilburn III and JBL Xtreme 4, providing quality stereo sound performance suitable for various listening environments.

Defines how many audio channels are supported.

Karaoke Mic Input Mode

Does it support karaoke mic input?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Karaoke Mic Input Mode

Karaoke Mic Input Mode is unavailable for both Marshall Kilburn III and JBL Xtreme 4, indicating neither device supports this feature.

Whether it supports microphone input for karaoke.

Distortion at Power Level

What is the distortion at full power?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

1 % 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The speaker maintains a low distortion level of 1% at its specified power output. This ensures clear and faithful audio reproduction, even at higher volumes.

Distortion measured at rated power.

Loudness Level

What is the loudness level?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

95 dB 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The speaker can achieve a maximum loudness level of 95 dB. This powerful output is suitable for filling large spaces or for outdoor use where higher volume is desired.

Subjective measure of perceived volume.

Room Coverage Area

What room area can it cover?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

600 ft² 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The speaker is capable of providing sound coverage for a room area of up to 600 ft² (55.74 m²). This suggests it's well-suited for medium to large indoor spaces or outdoor gatherings.

Estimated maximum space the speaker can fill.

Frequency Response Min

What is the minimum frequency response?

45 Hz 0 Votes
Marshall Kilburn III
44 Hz 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The minimum frequency response of 44 Hz indicates the lowest bass frequency the speaker can reproduce. This suggests a capable bass response for a portable speaker.

Lowest frequency the speaker can reproduce.

Passive Radiator

Does it include a passive radiator?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The speaker utilizes a passive radiator, which enhances bass response by moving air in conjunction with the active drivers.

Enhances bass response without extra power.

Tweeter Size

What is the tweeter size?

2 inch 0 Votes
Marshall Kilburn III
0.75 inch 0 Votes
JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The speaker features a 2 inch (5.08 cm) tweeter, responsible for producing clear high-frequency sounds.

Size of the high-frequency driver.

Bass Boost Mode

Does it have a bass boost mode?

No 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

A Bass Boost Mode is integrated, allowing users to enhance low-frequency output for a more pronounced bass experience. This feature is perfect for party settings or when you want a deeper sound.

Adds extra low-frequency emphasis.

Connectivity 17

Bluetooth Range

What is the Bluetooth range?

33 ft 0 Votes
Marshall Kilburn III
33 ft 0 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Bluetooth Range

Bluetooth Range is 33 feet for both Marshall Kilburn III and JBL Xtreme 4, providing similar wireless connectivity distance appropriate for most casual uses.

Maximum effective distance between device and speaker.

Multipoint Bluetooth Support

Does it support multipoint Bluetooth?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Multipoint Bluetooth Support

Multipoint Bluetooth Support is available on both Marshall Kilburn III and JBL Xtreme 4, allowing users to connect multiple devices simultaneously for flexible usage.

Connects to multiple devices simultaneously.

Bluetooth Version

What Bluetooth version does it use?

95 Marshall Kilburn III 0 Votes 5.3

94 JBL Xtreme 4 0 Votes 5.3

Marshall Kilburn III
vs
JBL Xtreme 4
Bluetooth Version

Bluetooth Version is 5.3 for both Marshall Kilburn III and JBL Xtreme 4, ensuring latest connectivity standards with stable connections and improved efficiency.

Specifies the Bluetooth version for compatibility and range.

NFC Pairing

Does it support NFC pairing?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
NFC Pairing

NFC Pairing is not supported by either Marshall Kilburn III or JBL Xtreme 4, indicating users will rely on standard Bluetooth pairing methods.

Allows quick device pairing via Near Field Communication.

Wi Fi Support

Does it support Wi-Fi?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Wi Fi Support

Wi-Fi Support is unavailable on both Marshall Kilburn III and JBL Xtreme 4, meaning these speakers rely solely on Bluetooth and wired connections.

Enables network-based streaming and updates.

Bluetooth Codecs Supported

What Bluetooth codecs are supported?

20 Marshall Kilburn III 0 Votes SBC

29 JBL Xtreme 4 0 Votes SBC, AAC

JBL Xtreme 4
JBL Xtreme 4

The JBL Xtreme 4 supports SBC and AAC Bluetooth codecs, ensuring broad compatibility with most devices while delivering good audio quality, especially for Apple users with AAC.

Audio codec compatibility for Bluetooth streaming.

Multi Speaker Pairing

Does it support multi-speaker pairing?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Allows linking multiple speakers for synchronized playback.

Stereo Pairing

Does it support stereo pairing?

No 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Enables pairing two units for left/right stereo sound.

USB Playback Support

Does it support USB playback?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Plays music directly from USB storage devices.

MicroSD Slot

Does it have a MicroSD slot?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Accepts MicroSD cards for onboard playback.

Line Out Audio Out

Does it have line-out audio?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Output for connecting external speakers or amps.

Hands Free Calling

Does it support hands-free calling?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Supports speakerphone calls via built-in mic.

Power & Battery 20

Battery Type

What is the battery type?

90 Marshall Kilburn III 0 Votes Li-ion

89 JBL Xtreme 4 0 Votes Li-ion

Marshall Kilburn III
vs
JBL Xtreme 4
Battery Type

Battery Type is Li-ion for both Marshall Kilburn III and JBL Xtreme 4, providing reliable rechargeable battery technology with solid performance and longevity.

Identifies the battery technology used.

Charging Port Type

What type of charging port does it have?

90 Marshall Kilburn III 0 Votes USB-C

89 JBL Xtreme 4 0 Votes USB-C

Marshall Kilburn III
vs
JBL Xtreme 4
Charging Port Type

Charging Port Type is USB-C in both Marshall Kilburn III and JBL Xtreme 4, offering modern, fast, and reversible charging compatibility.

Port type used for charging.

Charging Time

What is the charging time?

3 hours 1 Votes
Marshall Kilburn III
3.5 hours 0 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Charging Time

Charging Time is 3 hours for Marshall Kilburn III and 3.5 hours for JBL Xtreme 4, with Marshall charging slightly faster, which benefits users needing quicker readiness.

Time required to fully recharge the battery.

Charging times are close but I appreciate the Kilburn III a bit more for its faster 3-hour charge versus 3.5 from the Xtreme 4 which adds convenience.

See more

Wireless Charging

Does it support wireless charging?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Wireless Charging

Wireless Charging is not available on either Marshall Kilburn III or JBL Xtreme 4, so both require wired charging methods.

Supports Qi or similar wireless charging.

Power Bank Function

Does it support power bank function?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Power Bank Function

Power Bank Function is present in both Marshall Kilburn III and JBL Xtreme 4, enabling users to charge other devices on the go, adding extra utility.

Can charge external devices via USB.

Battery Life

What is the battery life?

50 hours 0 Votes
Marshall Kilburn III
24 hours 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The speaker offers an impressive battery life of up to 24 hours on a single charge. This allows for extended listening sessions, making it ideal for all-day events or trips.

Estimated playback time per charge.

Fast Charging Support

Does it support fast charging?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The speaker supports fast charging, enabling quicker battery replenishment for less downtime.

Reduces charging time with fast-charge tech.

Power Consumption

What is the power consumption?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

60 W 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The speaker has a power consumption of 60 W during operation. This indicates the typical amount of power drawn when the device is actively in use.

Average power drawn during operation.

Battery Life Indicator Accuracy

How accurate is the battery life indicator?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

90 % 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The battery life indicator offers an accuracy of 90%, providing a reliable estimate of remaining power. This helps users plan charging times more effectively.

Accuracy of displayed battery percentage.

Battery Charging Cycles

What is the expected battery charging cycles?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

100 JBL Xtreme 4 0 Votes 500

JBL Xtreme 4
JBL Xtreme 4

The battery is designed to endure approximately 500 charging cycles before experiencing significant degradation. This indicates a good lifespan for the internal battery.

Estimated number of full charge/discharge cycles.

Battery Capacity

What is the battery capacity?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

9,444 mAh 0 Votes
JBL Xtreme 4

Battery storage capacity in milliamp-hours.

Replaceable Battery

Does it have a replaceable battery?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Allows swapping out the battery when worn out.

Durability & Build 18

Strap Attachment Point

Does it have a strap attachment point?

Yes 1 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Strap Attachment Point

Strap Attachment Point exists on both Marshall Kilburn III and JBL Xtreme 4, supporting the use of straps for easier carrying, enhancing portability for both.

Supports attaching a carrying strap.

I love that both speakers have strap attachment points but the Kilburn III's metal build feels sturdier when you carry it around.

See more

Temperature Resistance

What is the temperature resistance?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

113 °F 0 Votes
JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Temperature Resistance

Temperature Resistance is not specified for Marshall Kilburn III but rated at 113°F for JBL Xtreme 4, suggesting JBL is tested for moderate heat conditions, suitable for outdoor use.

Operating temperature range tolerance.

Protective Bumpers

Does it have protective bumpers?

No 0 Votes Marshall Kilburn III

Yes 1 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Protective Bumpers

Protective Bumpers are not available on Marshall Kilburn III but included on JBL Xtreme 4, favoring JBL for extra impact protection during transport or outdoor use.

Extra bumpers to absorb shock from falls.

If you want durability bumpers, only the JBL Xtreme 4 has this feature which can really protect the speaker from drops and bumps.

See more

Scratch Resistant Coating

Does it have scratch resistant coating?

No 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Scratch Resistant Coating

Scratch Resistant Coating is unavailable on Marshall Kilburn III but present on JBL Xtreme 4, providing JBL with better durability and protection against surface scratches.

Prevents scratches on outer body.

Carabiner Clip

Does it come with a carabiner clip?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Includes a carabiner for hanging.

Rugged Design

Does it have a rugged design?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The speaker features a rugged design, built to withstand challenging outdoor conditions. This construction enhances its durability against drops and impacts.

Built with reinforced body for outdoor use.

Drop Resistance Height

What is the drop resistance height?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

3 ft 0 Votes
JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The speaker is designed to withstand drops from a height of up to 3 ft (0.91 m). This drop resistance feature makes it more durable for outdoor and active use.

Maximum tested drop height the speaker can survive.

IP Rating

What is the IP rating?

45 Marshall Kilburn III 0 Votes IP54

79 JBL Xtreme 4 0 Votes IP67

Indicates water and dust resistance.

Shockproof

Is the speaker shockproof?

No 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Protects the speaker from drops and impacts.

Waterproof

Is the speaker waterproof?

No 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Indicates whether the device can survive water immersion.

Dustproof

Is the speaker dustproof?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Prevents dust ingress that may damage internals.

Saltwater Resistance

Is the speaker resistant to saltwater?

No 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Designed to withstand exposure to seawater.

Controls & Interface 16

Equalizer Control

Does it have equalizer control?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The speaker features an equalizer control, allowing users to customize the audio output to their preference.

JBL Xtreme 4
JBL Xtreme 4

Equalizer Control is supported, allowing users to fine-tune the audio output to their personal preferences. This feature can be accessed via the companion app to adjust bass, treble, and other frequency bands.

Provides direct EQ adjustments.

Customizable Buttons

Does it have customizable buttons?

Yes 1 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Marshall Kilburn III
vs
JBL Xtreme 4
Customizable Buttons

Customizable Buttons are supported on Marshall Kilburn III but not on JBL Xtreme 4, allowing more personalized control options on Marshall for user convenience.

Allows users to reassign button functions.

Customizable buttons on the Kilburn III let you control your playback exactly how you like which the Xtreme 4 lacks, so if control is key go for the Kilburn.

See more

Multi Device Controls

Does it support multi-device controls?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Can control multiple paired devices.

LED Indicators

Does it have LED indicators?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Small LED lights showing device status.

Control Lock Function

Does it have a control lock function?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Prevents accidental operation during transport.

Control Type

What type of control does it have?

10 Marshall Kilburn III 0 Votes Buttons

44 JBL Xtreme 4 0 Votes Buttons,App

Marshall Kilburn III
Marshall Kilburn III

The speaker features Buttons for its control type, providing tactile feedback for adjustments.

JBL Xtreme 4
JBL Xtreme 4

The speaker can be controlled through both physical Buttons on the device and via a dedicated App. This dual control system offers flexibility and convenience.

Defines the main input control style.

On Device Buttons

Does it have on-device buttons?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

Physical buttons are present directly on the device, providing intuitive control without needing an external app.

Indicates presence of physical buttons for basic functions.

App Control

Does it support app control?

Yes 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The speaker can be controlled via a dedicated mobile application, offering advanced settings and convenience.

Allows control via smartphone app.

Power Button Type

What is the power button type?

60 Marshall Kilburn III 0 Votes Push

59 JBL Xtreme 4 0 Votes Push

Marshall Kilburn III
Marshall Kilburn III

The power button on this device is a Push type, requiring a press to activate or deactivate the speaker.

Defines the style of power button.

Touch Controls

Does it have touch controls?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Provides touch-sensitive areas for commands.

Voice Control

Does it support voice control?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Allows speaker to be controlled via voice commands.

Remote Control

Is a remote control included?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Indicates if a separate remote control is provided.

Smart Features 16

Multi Room Support

Does it support multi-room setup?

No 0 Votes Marshall Kilburn III

Yes 1 Votes JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

Multi Room Support is enabled, allowing you to connect multiple JBL speakers to create a synchronized audio experience across different rooms. This is great for whole-home audio.

Enables synchronization with other speakers across rooms.

Smart features like multi-room support on the Xtreme 4 blow Kilburn III out of the water, especially if you want a connected home audio experience.

See more

Voice Assistant Support

Which voice assistants are supported?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

88 JBL Xtreme 4 0 Votes Alexa, Google Assistant, Siri

Indicates which voice assistants are supported.

Smart Home Integration

Does it support smart home integration?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Allows integration with smart home ecosystems.

Smart Assistant Microphone

Does it have a smart assistant microphone?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Dedicated mic for voice assistant usage.

Smart Suggestions

Does it give smart suggestions?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Provides AI-driven usage suggestions.

Companion App Features

What features are available in the companion app?

80 Marshall Kilburn III 0 Votes Firmware Updates

79 JBL Xtreme 4 0 Votes EQ Control, Presets, Firmware Updates

Marshall Kilburn III
Marshall Kilburn III

The companion app allows for Firmware Updates, ensuring the speaker stays up-to-date with the latest features and improvements.

JBL Xtreme 4
JBL Xtreme 4

The companion app offers extensive features including EQ Control for sound customization, various audio Presets, and Firmware Updates to keep the speaker's software current. These features enhance user experience and maintain optimal performance.

Features available within the companion app.

App Ecosystem

What app ecosystem does it use?

50 Marshall Kilburn III 0 Votes Proprietary App

48 JBL Xtreme 4 0 Votes Proprietary App

JBL Xtreme 4
JBL Xtreme 4

The speaker operates within its Proprietary App ecosystem, which means you'll use the dedicated JBL app for advanced controls and features.

Ecosystem through which the speaker app works.

Over The Air Updates

Does it support over-the-air updates?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

Over-The-Air (OTA) updates are supported, meaning the speaker's software can be updated wirelessly for new features and bug fixes.

Software updates delivered wirelessly.

Offline Mode

Does it have an offline mode?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

Offline Mode is supported, allowing you to enjoy your music without needing an active internet connection. This is ideal for use in remote locations or when conserving mobile data.

Allows operation without internet connectivity.

Parental Controls

Does it have parental controls?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Features to restrict access or usage for children.

Cloud Sync

Does it support cloud sync?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Syncs settings and playlists via the cloud.

AI Sound Optimization

Does it have AI sound optimization?

No 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Uses AI to automatically tune sound for environment.

Ports & Expansion 18

AUX Input

Does it have an AUX input?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Standard 3.5mm input for wired audio.

USB A Port

Does it have a USB A port?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Full-size USB port for playback or charging.

Micro USB Port

Does it have a Micro USB port?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Legacy Micro USB port for charging or updates.

Optical Input

Does it have an optical input?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Digital optical input for high-quality audio.

Guitar Input

Does it have a guitar input?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Dedicated jack for plugging in a guitar.

USB C Port

Does it have a USB C port?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The device includes a modern USB-C port, commonly used for charging and data transfer.

Modern USB Type C port for fast charging or data.

HDMI Input

Does it have an HDMI input?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

HDMI port for audio and video pass-through.

HDMI ARC/eARC Support

Does this speaker support HDMI ARC or eARC?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Indicates if the portable speaker supports HDMI ARC or eARC for high-quality audio passthrough from TVs and other devices.

Ethernet Port

Does it have an Ethernet port?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Wired network port for stable internet.

Memory Card Slot

Does it have a memory card slot?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Slot for SD or microSD cards with stored music.

RCA Input

Does it have RCA input?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Stereo RCA inputs for analog devices.

RCA Output

Does it have RCA output?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

RCA output for connecting external devices.

Indicators & Feedback 13

Volume Level Indicator

Does it have a volume level indicator?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Shows volume level visually or digitally.

LED Display

Does it have an LED display?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Built-in LED display for device status.

LCD Display

Does it have an LCD display?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Small LCD screen for detailed info.

OLED Display

Does it have an OLED display?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

High-quality OLED screen for advanced info.

Multicolor LED Lighting

Does it have multicolor LED lighting?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Decorative LEDs with customizable colors.

Battery Level Indicator

Does it have a battery level indicator?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

An integrated battery level indicator keeps users informed about the remaining charge, preventing unexpected power loss.

Shows remaining battery life visually.

Bluetooth Pairing Indicator

Does it have a Bluetooth pairing indicator?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

A dedicated indicator light shows when the speaker is actively in Bluetooth pairing mode, simplifying connection with devices.

Light or sound confirming Bluetooth pairing.

Charging Indicator

Does it have a charging indicator?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Lights or icons that show charging status.

NFC Pairing Indicator

Does it have an NFC pairing indicator?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Indicator that confirms NFC pairing process.

LED Light Patterns

What LED light patterns are available?

Who knows? 0 Votes Marshall Kilburn III (Help us out by suggesting one!)

Who knows? 0 Votes JBL Xtreme 4 (Help us out by suggesting one!)

Different LED patterns for mood and effects.

Voice Prompts

Does it have voice prompts?

No 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Spoken alerts for pairing, battery, etc.

Haptic Feedback

Does it have haptic feedback?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Vibration feedback for control confirmation.

Accessories & Package 9

Carrying Strap

Does it include a carrying strap?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

The speaker comes equipped with a carrying strap, enhancing its portability and ease of transport. This allows for comfortable over-the-shoulder carrying.

Indicates if a carrying strap is part of the package.

Retail Box Design

What is the retail box design?

40 Marshall Kilburn III 0 Votes Standard

79 JBL Xtreme 4 0 Votes Premium

Marshall Kilburn III
Marshall Kilburn III

The product comes in a Standard retail box design, offering functional and protective packaging.

Style of the retail box design.

Carrying Case

Is a carrying case included?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Shows whether a protective carrying case is included.

Warranty Card

Is a warranty card included?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Warranty documentation included in the box.

Eco Friendly Packaging

Does it have eco-friendly packaging?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Confirms use of recyclable or reduced-waste packaging.

Charging Cable

Is a charging cable included?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Confirms if a charging cable is included in the package.

Charging Cable Type

What type of charging cable is included?

90 Marshall Kilburn III 0 Votes USB C

89 JBL Xtreme 4 0 Votes USB C

Type of charging cable provided in the package.

Mounting Accessories

Are mounting accessories included?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Additional mounts, clips, or stands in the package.

User Manual

Is a user manual included?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Indicates if a printed or digital manual is included.

Safety & Compliance 14

CE Certification

Is it CE certified?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The product holds CE certification, indicating compliance with European health, safety, and environmental protection standards.

Confirms compliance with EU safety standards.

FCC Certification

Is it FCC certified?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Confirms compliance with US electronic regulations.

RoHS Compliance

Is it RoHS compliant?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Ensures restriction of hazardous materials.

PSE Certification

Is it PSE certified?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Japanese electrical appliance safety certification.

BSMI Certification

Is it BSMI certified?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Taiwan safety and electromagnetic compliance.

Short Circuit Protection

Does it have short circuit protection?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

JBL Xtreme 4
JBL Xtreme 4

This device features short circuit protection, safeguarding its internal components from damage caused by electrical overcurrents. This enhances the speaker's longevity and safety.

Prevents damage from electrical short circuits.

UL Certification

Is it UL certified?

Yes 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Verifies product meets electrical safety standards.

CSA Certification

Is it CSA certified?

Yes 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Confirms Canadian Standards Association compliance.

KC Certification

Is it KC certified?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Korean Certification for electronics safety.

Energy Star

Is it Energy Star certified?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Confirms energy efficiency standard.

Safety Shutoff Feature

Does it have a safety shutoff feature?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Automatic power off to prevent overheating or damage.

Overcharge Protection

Does it have overcharge protection?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Protects battery from overcharging damage.

Warranty & Support 10

Return Policy Duration

What is the return policy duration?

30 days 0 Votes
Marshall Kilburn III
30 days 0 Votes
JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

The product comes with a 30-day return policy, allowing customers to return it within that period.

Time frame allowed for returns.

International Warranty

Does it have an international warranty?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Warranty valid across multiple countries.

Repair Service Availability

Are repair services available?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Confirms if repair services are offered.

On Site Support

Is on-site support available?

No 0 Votes Marshall Kilburn III

No 0 Votes JBL Xtreme 4

Indicates whether technician visits are available.

Replacement Policy

What is the replacement policy?

40 Marshall Kilburn III 0 Votes Repair Only

39 JBL Xtreme 4 0 Votes Repair Only

Describes type of replacement service offered.

Warranty Coverage Type

What is the warranty coverage type?

60 Marshall Kilburn III 0 Votes Standard

39 JBL Xtreme 4 0 Votes Limited

Marshall Kilburn III
Marshall Kilburn III

The product includes Standard warranty coverage, providing basic protection against manufacturing defects.

Type of warranty provided for the speaker.

Extended Warranty Option

Is extended warranty available?

Yes 0 Votes Marshall Kilburn III

Yes 0 Votes JBL Xtreme 4

Marshall Kilburn III
Marshall Kilburn III

Customers have the option to purchase an extended warranty, offering additional coverage beyond the standard period.

Indicates availability of extended warranty.

Warranty Period

What is the warranty period?

1 years 0 Votes
Marshall Kilburn III
1 years 0 Votes
JBL Xtreme 4

Duration of warranty coverage in years.

Customer Support Channels

What customer support channels are available?

50 Marshall Kilburn III 0 Votes Phone, Email, Chat

59 JBL Xtreme 4 0 Votes Phone, Email, Chat, App

Types of customer support channels available.

Support Availability Hours

What are the support availability hours?

40 Marshall Kilburn III 0 Votes Business Hours

39 JBL Xtreme 4 0 Votes Business Hours

Hours when customer support can be reached.

Surveys

Because hot takes deserve votes.

Sound Quality

How would you rate the sound quality of this portable speaker?

Excellent
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Very good
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Decent
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Average
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Poor
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Bass Performance

How strong and deep is the bass on this portable speaker?

Powerful
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Strong
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Balanced
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Weak
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Flat
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Battery Life

How long does the battery last on a full charge?

Excellent
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Good
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Average
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Short
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Very short
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Loudness

How loud can this portable speaker get without distortion?

Very loud
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Loud
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Moderate
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Low
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Very low
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Bluetooth Connectivity

How stable and reliable is the Bluetooth connection of this portable speaker?

Excellent
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Good
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Decent
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Weak
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Poor
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Durability

How durable and well-built does this portable speaker feel?

Very sturdy
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Solid
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Decent
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Weak
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Fragile
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Weight

How easy is it to carry and move around this portable speaker?

Extremely portable
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Light
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Manageable
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Heavy
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Very heavy
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Water and Dust Resistance

How resistant is this portable speaker to water and dust?

Excellent
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Good
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Moderate
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Basic
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
None
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Design

How stylish and well-designed does this portable speaker look?

Very stylish
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Nice
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Decent
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Basic
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Dull
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Pricing

How would you describe the price of this portable speaker for its sound and features?

Great value for money
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Pretty good price
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Fair deal
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Kinda pricey
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4
Crazy expensive
0 Votes
Marshall Kilburn III
0 Votes
JBL Xtreme 4

Guides 2

Files 1

Marshall Kilburn III Manual

gzhls.at
gzhls.at

Files 1

JBL Xtreme 4 Manual

jbl.com
jbl.com

Reviews 0

The good, the bad, and the brutally honest.

Average Rating

Marshall
Marshall
Marshall Kilburn III
Marshall Kilburn III
0 / 5 0 Reviews
JBL
JBL
JBL Xtreme 4
JBL Xtreme 4
0 / 5 0 Reviews

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Thoughts, takes, and hot debates.

Awards 0

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Collections 0

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vs