These sit in different size classes, so this is not a straight ranking comparison. The JBL Xtreme 4 ranks #40 of 82 large speakers by sound quality at $309.95; the Marshall Emberton III ranks #104 of 144 medium speakers by sound quality at $160.03.
Why pick the JBL Xtreme 4: A rugged 2.1kg portable with IP67 protection, a replaceable battery, USB-C power-bank output, Auracast, stereo pairing and a useful 5-band app EQ. The tradeoff: It cannot produce the deep rumble of a larger speaker, and bass compression increases near maximum volume.
The case for the Marshall Emberton III: 30 hour battery life - among the best in its class; a 20 min quick-charge gives 4 hours. The catch: Strange unnatural echo-like sound coloration, bass not as deep as competitors.
Buy the JBL Xtreme 4 at $309.95 for a large speaker, or the Marshall Emberton III at $160.03 for a medium speaker instead.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| JBL Xtreme 4 | Marshall Emberton III | |
|---|---|---|
| Price | $309.95 | $160.03 |
| Ranked | #40 of 82 in Large Size Portable Bluetooth Speakers | #104 of 144 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | No | No |
| Battery Life | 24 hours (Manufacturer specified) | 32 hours (Manufacturer specified) |
| EQ | Yes (5 band) | Yes (3 presets via app) |
| IP Rating | IP67 | IP67 |
| Bluetooth Latency | 220ms | - |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (Auracast) | Yes (Marshall Stack) |
| Power Bank | Yes (USB-C) | No |
| Power Input | USB-C | USB-C |
| Removable Battery | Yes | - |
| TWS | Yes | No |
| Weight | 4.6 lbs (2.1 kg) | 1.5 lbs (673 g) |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| Stereo | Yes | Yes |
| Omnidirectional | No | Yes |
| Bluetooth Version | 5.3 | 5.3 |
| Dimensions | 11.7” x 5.9” x 5.6” (297 x 149 x 141 mm) | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) |
| Drivers | 2x 70mm woofers, 2x 19mm tweeters + 2x passive radiators | 2x 2” full-range cone drivers + 2x 2” passive radiators |
| Frequency Response | 44Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 100W | 20W |
| Digital Aux Input | No | No |
| Strap | Yes (detachable shoulder strap) | No |
| Bass Extension (-10dB) | - | 62Hz |
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How JBL Xtreme 4 compares with other leading options:
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- JBL Xtreme 5 vs JBL Xtreme 4
- JBL Xtreme 4 vs Tribit Stormbox Lava
- Brane X vs JBL Xtreme 4
- JBL Xtreme 4 vs Minirig 4 with subwoofer
Prices on this page were last checked September 26, 2026 at 11:14 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
JBL Xtreme 4: $309.95 Amazon B&H Photo Video eBay
Newer model: the JBL Xtreme 5, rated 4.6/5.
Pros: A rugged 2.1kg portable with IP67 protection, a replaceable battery, USB-C power-bank output, Auracast, stereo pairing and a useful 5-band app EQ. Independent reviews find the midrange detailed and the sound clear, punchy and refined for outdoor use; it also reaches a strong 106dB maximum level and has excellent real-world battery life.
Cons: It cannot produce the deep rumble of a larger speaker, and bass compression increases near maximum volume. The front-facing layout has only modest off-axis consistency, Bluetooth latency is high for video, and the default balance benefits from EQ adjustment. There is no aux input, so wired sources are not supported. Out of the box it leans bass-boosted, with a dip between the upper bass and midrange that EQ cannot fix, and it pushes the upper mids and treble at high volume. It is also expensive.
Full JBL Xtreme 4 review and specifications →
| Amplifier Power | 100W |
|---|---|
| App | Yes |
| Aux Input | No |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 220ms |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.7” x 5.9” x 5.6” (297 x 149 x 141 mm) |
| Drivers | 2x 70mm woofers, 2x 19mm tweeters + 2x passive radiators |
| EQ | Yes (5 band) |
| Frequency Response | 44Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Removable Battery | Yes |
| Stereo | Yes |
| Strap | Yes (detachable shoulder strap) |
| TWS | Yes |
| Weight | 4.6 lbs (2.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- JOY‘s 🎧3D🔈Audio-Show: JBL Charge 6, Xtreme 4 & Earfun UBoom X - taking sound to the top More from Oluv’Sone →
- JOY‘s 🎧3D🔈Audio-Show: JBL Charge 6 vs JBL Xtreme 4 - outdoor test
- JOY‘s 🎧3D🔈Audio-Show: JBL Charge 6 vs JBL Xtreme 4 - basstest (bigger=better?)
- Alan Ross Reviews: JBL Xtreme 4 vs Flip 7 vs Charge 6 – The ULTIMATE JBL Speaker Showdown! More from alanrossreviews →
- Oluv Patreon: SoundCore Boom 3i - first impressions & EQs
- Mateusz Cholewa: TRIBIT StormBox LAVA Deep BASS 🆚 JBL XTREME 4 More from Mateusz Cholewa →
- Mateusz Cholewa: Marshall Middleton👌🎶 🆚 JBL Xtreme 4 🎶📢
- Oluv Patreon: JBL Xtreme 4 - sound analysis
- Oluv Patreon: JBL Xtreme 4 - unboxing & first impressions
- Oluv Patreon: Harman Kardon go+play 3 vs JBL Xtreme 4 - first impressions
- Dominik Reviews: JBL Xtreme 4 vs JBL Xtreme 3 Sound Test 😍 Best upgrade in the history? 😂 More from Dominik Reviews →
- M1MTechChannel: Welche JBL Partybox ist die BESTE ? Alle Partyboxen im Vergleich | 2026 More from M1MTechChannel →
- Mateusz Cholewa: BOGASING S8 Pro Max 100W vs JBL Xtreme 4 Audio Test
- Mateusz Cholewa: LOEWE We HEAR Pro Super Stereo vs JBL Xtreme 4
- Head-to-Head Comparisons
Marshall Emberton III: $160.03 Amazon eBay
Older model: the Marshall Emberton II (rated 2.7/5).
Pros: 30 hour battery life - among the best in its class; a 20 min quick-charge gives 4 hours. IP67 rated, durable rubbery build using 50% recycled plastic. Measured bass extension of 62Hz (-10dB).
Cons: Strange unnatural echo-like sound coloration, bass not as deep as competitors. Not technically a 360 speaker, only front and rear. Not very loud. Not really any different from the Emberton II except having the treble turned down a little bit.
Full Marshall Emberton III review and specifications →
| Amplifier Power | 20W |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 62Hz |
| Battery Life | 32 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) |
| Drivers | 2x 2” full-range cone drivers + 2x 2” passive radiators |
| EQ | Yes (3 presets via app) |
| IP Rating | IP67 |
| Omnidirectional | Yes |
| Party Mode | Yes (Marshall Stack) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | No |
| TWS | No |
| Weight | 1.5 lbs (673 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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- Marshall Emberton III vs Tribit Stormbox
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