Short answer: the Ultimate Ears Wonderboom 2 for a floating IP67 design, the Tribit Xsound Surf for a tougher grille. The Wonderboom 2 is IP67 rated and floats but is not stereo, has barely any bass and recessed treble. The Surf has a rugged rubberized frame with a metal grille, though its bass does not go as deep as others and it has strange midrange peaks.
Buy the Ultimate Ears Wonderboom 2, since the Tribit Xsound Surf is discontinued and only worth hunting down used.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Tribit Xsound Surf | Ultimate Ears Wonderboom 2 | |
|---|---|---|
| Price | $26 Discontinued | $80 |
| Ranked | #101 of 164 in Medium Size Portable Bluetooth Speakers | #108 of 164 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | No |
| Battery Life | 10 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Stereo | Yes | No |
| Omnidirectional | No | Yes |
| Weight | 1 lbs (440 g) | 0.9 lbs (420 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5.1 |
| Dimensions | 7” x 2.2” x 2.1” (178 x 57 x 54 mm) | 4.1” x 3.8” (104 x 95.3 mm) |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 12W RMS | - |
| Bluetooth Codecs | SBC, AAC | SBC |
| Built-in Microphone | Likely Yes (based on Tribit pattern) | No |
| EQ | Yes | No |
| App | Yes | No |
| Drivers | 40W: 2x drivers with passive radiator | 2x 40mm active drivers + 2x passive radiators |
| IP Rating | IPX7 | IP67 |
| Digital Aux Input | No | No |
| Power Input | USB-C | Micro USB |
| TWS | Yes | Yes |
| Bass Extension (-10dB) | - | 82Hz |
| Maximum SPL | - | 88dB (measured by Alan Ross Reviews) |
| Party Mode | - | No |
| Strap | - | Yes (built-in loop) |
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Prices on this page were last checked October 4, 2026 at 9:58 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
Tribit Xsound Surf: $26 Discontinued eBay
Pros: Rugged rubberized frame with a metal grille. About 20% louder than the XSound Go at the same volume. IPX7 rated, USB-C charging, and pairs with a second Surf for stereo.
Cons: Bass doesn’t go as deep as others, strange midrange peaks. Discontinued.
Full Tribit Xsound Surf review and specifications →
| Amplifier Power | 12W RMS |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Battery Life | 10 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Likely Yes (based on Tribit pattern) |
| Digital Aux Input | No |
| Dimensions | 7” x 2.2” x 2.1” (178 x 57 x 54 mm) |
| Drivers | 40W: 2x drivers with passive radiator |
| EQ | Yes |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1 lbs (440 g) |
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: Tribit XSound Surf vs. XSound Go (Upgraded Model) Bluetooth Speaker Sound Comparison. More from JaysStraightUpReviews →
- Aphid Tech: Tribit XSound Surf vs Soundcore 2 - With Sound Comparison!
- Jay’s Straight Up Reviews & More: Zealot S61 🦨 Bluetooth Speaker Review & Sound Comparison to Tribit XSound Surf. Another Zealot dud❓
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Ultimate Ears Wonderboom 2: $80 Amazon eBay
Newer model: the Ultimate Ears Wonderboom 4, ranked higher, rated 2.9/5.
Pros: IP67 rated and floats. Compact and light enough to toss in a bag. Measured bass extension of 82Hz (-10dB).
Cons: Not stereo, barely any bass, recessed treble. Slightly boosted 93Hz upper bass Dip at 9kHz. You can tell from the micro USB that they are just feeding you the same crap hardware over and over, this is inexcusable for a product released in 2019. Not technically a 360 speaker, only front and rear.
Full Ultimate Ears Wonderboom 2 review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 82Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.1 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 4.1” x 3.8” (104 x 95.3 mm) |
| Drivers | 2x 40mm active drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IP67 |
| Maximum SPL | 88dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Input | Micro USB |
| Stereo | No |
| Strap | Yes (built-in loop) |
| TWS | Yes |
| Weight | 0.9 lbs (420 g) |
- Reviews, Comparisons and Sound Samples
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