Short answer: the Devialet Mania for better sound quality, the Ultimate Ears Epicboom for the lower price. The Devialet Mania ranks #40 of 78 large speakers at $899. The Ultimate Ears Epicboom ranks #58 at $213.41, $685.59 cheaper.
What the Devialet Mania offers: Small, nice looking. Watch for: Not very loud. Extremely high price. Bass boosted. Tweeters are not aimed at you and there’s a huge treble rolloff off-axis as compared to the Beoplay P6 in the comparison video. Only 10 hours of battery. Oluv didn’t like the upper mids or treble (mentioned on his Patreon)
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 Devialet Mania if sound quality is the priority over the price, or the Ultimate Ears Epicboom if the price is the priority over sound quality.
There is a real battery-life gap here: the Ultimate Ears Epicboom is rated for 17 hours, the Devialet Mania only 10 hours.
There is a real gap in water resistance: the Ultimate Ears Epicboom at IPX7 (brief submersion) against the Devialet Mania, which has IPX4 (splashing).
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Devialet Mania | Ultimate Ears Epicboom | |
|---|---|---|
| Price | $899.00 | $213.41 |
| Ranked | #40 of 78 in Large Size Portable Bluetooth Speakers | #58 of 78 in Large Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 47Hz | ~55Hz |
| Battery Life | 10 hours (Manufacturer specified) | 17 hours (Manufacturer specified) |
| IP Rating | IPX4 | IPX7 |
| Weight | 5.1 lbs (2.3 kg) | 4.3 lbs (1.97 kg) |
| Wi-Fi | Yes | - |
| App | No | No |
| Aux Input | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| Party Mode | No | No |
| Power Bank | No | No |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Bluetooth Version | 5.0 | 5.2 |
| Dimensions | 6.9" x 7.6" x 5.5" (176 x 193 x 139 mm) | 4.7" x 9.5" x 6.4" (119 x 241 x 162 mm) |
| Drivers | 4x aluminum fullrange drivers, 2x woofers | 1x 120mm woofer, 2x 45mm tweeters |
| Frequency Response | 30Hz - 20kHz (Manufacturer specified) | 50Hz - 20kHz (Manufacturer specified) |
| Amplifier Power | 176W | 10W RMS |
| Maximum SPL | 95dB (Manufacturer specified) | 94dB (Manufacturer specified) |
| Digital Aux Input | No | No |
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Prices on this page were last checked September 16, 2026 at 12:41 AM 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
Devialet Mania: $899.00 Amazon eBay
Pros: Small, nice looking. Measured bass extension of 47Hz (-10dB).
Cons: Not very loud. Extremely high price. Bass boosted. Tweeters are not aimed at you and there’s a huge treble rolloff off-axis as compared to the Beoplay P6 in the comparison video. Only 10 hours of battery. Oluv didn’t like the upper mids or treble (mentioned on his Patreon)
Full Devialet Mania review and specifications →
| Amplifier Power | 176W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 47Hz |
| Battery Life | 10 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 6.9" x 7.6" x 5.5" (176 x 193 x 139 mm) |
| Drivers | 4x aluminum fullrange drivers, 2x woofers |
| EQ | No |
| Frequency Response | 30Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX4 |
| Maximum SPL | 95dB (Manufacturer specified) |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 5.1 lbs (2.3 kg) |
| Wi-Fi | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- That Speaker Guy: Devialet Mania vs Bang & Olufsen Beoplay P6 - Headphones On
- That Speaker Guy: Harman Kardon Onyx Studio 6 vs Devialet Mania
- HT Sound: Devialet Mania VS JBL Xtreme 2 - 60% Vol (Listen with headphones)
- BitsBytesBobs: Devialet Mania Music Audio Test Results
- Oluv Patreon: Visit at the Devialet store in Vienna More from Oluv’Sone →
- Head-to-Head Comparisons
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. Measured bass extension of ~55Hz (-10dB).
Cons: Not very deep bass for the size. Gets distorted at around 70-80% with bass thuds.
Full Ultimate Ears Epicboom review and specifications →
| Amplifier Power | 10W RMS |
|---|---|
| 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 |
| Maximum SPL | 94dB (Manufacturer specified) |
| Omnidirectional | No |
| 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 →
- Jay’s Straight Up Reviews & More: $350 Ultimate Ears EpicBoom gets Epic Beat-Down 😮by $120 Soundcore Rave Neo 2. Bluetooth Speaker KO🤛
- Jay’s Straight Up Reviews & More: Bose SoundLink Max vs. Ultimate Ears EpicBoom 🤑Big Bucks No Whammies? 💣 Let’s Find Out 😧
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