Short answer: the Xdobo X8 Max, though neither ranks well in its class. Both are rated 2.9/5 for sound quality (#83 and #84 of 115 large speakers), and the Xdobo X8 Max costs $105.99 against $228.59 for the Ultimate Ears Epicboom, with sound quality a draw, the lower price decides it. Both are rated below 3.0/5 among the 115 large speakers, so if sound quality matters, consider the Tribit Stormbox Lava instead, ranked #3 at $119.99.
What the Xdobo X8 Max does well: A feature packed waterproof boombox with a huge battery, power bank output, and enough volume for outdoor background music. Watch for: The voicing is bass-heavy with thin, boosted highs that can turn harsh, and reviews report distortion rather than clean dynamics when pushed hard.
The Ultimate Ears Epicboom is the lighter pick. A rugged, floating waterproof speaker made mostly from recycled materials, with long Bluetooth range and USB-C charging. At 4.3 lbs (1.97 kg) it weighs noticeably less than the Xdobo X8 Max at 6.3 lbs (2.86 kg). The tradeoff: Not very deep bass for the size.
Buy the Xdobo X8 Max. Both are rated the same for sound quality, and it costs $122.60 less than the Ultimate Ears Epicboom.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
A feature packed waterproof boombox with a huge battery, power bank output, and enough volume for outdoor background music.
A rugged, floating waterproof speaker made mostly from recycled materials, with long Bluetooth range and USB-C charging.
Prices on this page were last checked October 31, 2026 at 7:11 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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Specifications Side By Side
| Xdobo X8 Max | Ultimate Ears Epicboom | |
|---|---|---|
| Price | $105.99 | $228.59 |
| Ranked | #83 of 115 in Large Size Portable Bluetooth Speakers | #84 of 115 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | ~52Hz | ~55Hz |
| Battery Life | 15 hours (Manufacturer specified) | 17 hours (Manufacturer specified) |
| MicroSD Playback | Yes | - |
| Power Bank | Yes (USB-A) | No |
| Weight | 6.3 lbs (2.86 kg) | 4.3 lbs (1.97 kg) |
| App | No | No |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| IP Rating | IPX7 | IPX7 |
| Party Mode | No | No |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Bluetooth Version | 5.0 | 5.2 |
| Drivers | 2x 80mm woofers, 2x 52mm tweeters | 1x 120mm woofer, 2x 45mm tweeters |
| Dimensions | 11.8” x 4.3” x 5.3” (300 x 110 x 134 mm) | 4.7” x 9.5” x 6.4” (119 x 241 x 162 mm) |
| Amplifier Power | 100W | 10W RMS |
| Digital Aux Input | No | No |
| Frequency Response | - | 50Hz - 20kHz (Manufacturer specified) |
| Maximum SPL | - | 94dB (Manufacturer specified) |
| Strap | - | Yes (built-in loop) |
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