Short answer: the JBL Xtreme 3 on measured sound quality, the Ultimate Ears Epicboom on price. The JBL Xtreme 3 ranks #18 of 77 large speakers at $229.95. The Ultimate Ears Epicboom ranks #57 at $213.41, $16.54 cheaper.
What the JBL Xtreme 3 offers: Better treble and deeper bass than the Xtreme 2. More balanced sounding than the Xtreme 4 Watch for: Boosted bass. Not as deep bass as better speakers. Not as balanced as better speakers.
What the Ultimate Ears Epicboom offers: 17 hour battery with USB-C charging (first UE portable with USB-C). IP67 rating, floats in water. Made mostly from recycled fabric and plastic. Large best-sounding UE portable that still feels portable. 180ft Bluetooth range. Watch for: Not very deep bass for the size. Gets distorted at around 70-80% with bass thuds.
Buy the JBL Xtreme 3 if sound quality matters more than the price. Buy the Ultimate Ears Epicboom if the price matters more than sound quality.
Specifications Side By Side
| JBL Xtreme 3 | Ultimate Ears Epicboom | |
|---|---|---|
| Price | $229.95 | $213.41 |
| Ranked | #18 of 77 in Large Size Portable Bluetooth Speakers | #57 of 77 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 53Hz | ~55Hz |
| Battery Life | 15 hours (Manufacturer specified) | 17 hours (Manufacturer specified) |
| Bluetooth Latency | 133ms | - |
| Max Volume | 105dB | 94dB |
| Party Mode | Yes (PartyBoost up to 100 speakers) | No |
| Power Bank | Yes (USB-A + USB-C) | No |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 4 lbs / 1.83 kg | 4.3 lbs / 1.97 kg |
| App | No | No |
| Bluetooth Codecs | SBC | SBC |
| Built in Microphone | Yes | Yes |
| EQ | No | No |
| IP Rating | IPX7 | IPX7 |
| Bluetooth Version | 4.1 | 5.2 |
| Dimensions | 11.7" x 5.4" x 5.3" (298 x 136 x 134 mm) | 4.7" x 9.5" x 6.4" (119 x 241 x 162 mm) |
| Drivers | 2x 70mm woofers, 2x 20mm tweeters | 1x 120mm woofer, 2x 45mm tweeters |
| Frequency Response | 53.5Hz - 20kHz (Manufacturer specified) | 50Hz - 20kHz (Manufacturer specified) |
| Output Power | 100W | 10W RMS |
| Digital Aux Input | No | No |
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Prices on this page were last checked August 27, 2026 at 10:09 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 3: $229.95 Amazon eBay
Pros: Better treble and deeper bass than the Xtreme 2. More balanced sounding than the Xtreme 4
Cons: Boosted bass. Not as deep bass as better speakers. Not as balanced as better speakers.
Full JBL Xtreme 3 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 53Hz |
| Battery Life | 15 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 133ms |
| Bluetooth Version | 4.1 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.7" x 5.4" x 5.3" (298 x 136 x 134 mm) |
| Drivers | 2x 70mm woofers, 2x 20mm tweeters |
| EQ | No |
| Frequency Response | 53.5Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 105dB |
| Omnidirectional | No |
| Output Power | 100W |
| Party Mode | Yes (PartyBoost up to 100 speakers) |
| Power Bank | Yes (USB-A + USB-C) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 4 lbs / 1.83 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Mateusz Cholewa: TRIBIT StormBox LAVA - Unboxing.📦 Short Test vs Xtreme 4 More from Mateusz Cholewa →
- Alan Ross Reviews: JBL Xtreme 3 vs Sony XB43 - boombox champ? More from alanrossreviews →
- Alan Ross Reviews: Soundcore Motion Boom vs JBL Xtreme 3 LG PN7 & Minirig mk3 💯👍
- Alan Ross Reviews: JBL Xtreme 3 vs JBL Xtreme 2 and Xtreme 1 - review and sound test
- Alan Ross Reviews: Anker Soundcore Motion Boom Plus vs JBL Xtreme 3 - Extreme review!
- DLX Willington: Who Sounds The Best Of Sony XG300, XB43 & JBL XTREME3 With Sound Sample BLIND CHALLENGE Reveal. More from DLXWillington →
- New Stuff TV: Sony SRS-XG300 Vs JBL Xtreme 3
- Alan Ross Reviews: W-King X10 vs JBL Xtreme 3, Xtreme 2 and Xtreme 1! Xtreme Review 🤓
- Smart Home Sounds: Best Premium Bluetooth Speakers: Sonos Move, JBL Xtreme 3, Marshall Middleton & More…
- Dominik Reviews: JBL Xtreme 4 vs JBL Xtreme 3 Sound Test 😍 Best upgrade in the history? 😂 More from Dominik Reviews →
- Audio Inside Scoop: Klipsch Detroit VS JBL Xtreme 3 Hear With Me!!
- GYMCADDY: JBL Xtreme 3 Vs Sony XG300 - Its Not Even Close More from GYMCADDY →
- Alan Ross Reviews: JBL Xtreme 3 vs Soundcore Motion Boom vs Rave Neo - Boombox Battle!
- Jay’s Straight Up Reviews & More: Ortizan M8🦨 Bluetooth Speaker. Is This The Budget JBL Xtreme 3 Killer? Better Than Zealot S67? More from JaysStraightUpReviews →
- Danny Pops: It’s shaped like a Football - JBL Xtreme 3 Review vs Marshall Tufton and Flips Party Mode More from DannyPops →
- Reddit Search for JBL Xtreme 3 Review
- Head-to-Head Comparisons
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Ultimate Ears Epicboom: $213.41 Amazon eBay
Pros: 17 hour battery with USB-C charging (first UE portable with USB-C). IP67 rating, floats in water. Made mostly from recycled fabric and plastic. Large best-sounding UE portable that still feels portable. 180ft Bluetooth range.
Cons: Not very deep bass for the size. Gets distorted at around 70-80% with bass thuds.
Full Ultimate Ears Epicboom review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | ~55Hz |
| Battery Life | 17 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4.7" x 9.5" x 6.4" (119 x 241 x 162 mm) |
| Drivers | 1x 120mm woofer, 2x 45mm tweeters |
| EQ | No |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 94dB |
| Omnidirectional | No |
| Output Power | 10W RMS |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 4.3 lbs / 1.97 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: Bass Check 💣 Treblab HD-360, Ultimate Ears EpicBoom, Marshall Middleton & JBL Pulse 5. Boom or Bust? More from JaysStraightUpReviews →
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- Reddit Search for Ultimate Ears Epicboom Review
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