Short answer: the Tribit Stormbox, comfortably, though neither ranks well in its class. It is IPX7 water resistant with dual pairing for stereo, 20 hours of battery, instant on/off buttons and 97dB max volume, though it sounds muffled with a treble dip from 5kHz-12kHz. The Sony SRS-XB20 costs $61 more, is only IPX5 rated, and it sounds thin at higher volumes. Both are rated below 3.0/5 among the 151 medium speakers; for better sound, the Earfun Uboom L ranks #1 at $49.79.
What the Sony SRS-XB20 offers: IPX5 rated pill shape slides easily into a bag. Watch for: Sounds thin at higher volumes.
Buy the Tribit Stormbox or the Sony SRS-XB20, whichever you find used in better condition; both are discontinued. For a new speaker, start with the Earfun Uboom L instead.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Tribit Stormbox | Sony SRS-XB20 | |
|---|---|---|
| Price | $68 Discontinued | $129 Discontinued |
| Ranked | #105 of 151 in Medium Size Portable Bluetooth Speakers | #106 of 151 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes (SongPal) |
| Aux Input | Yes | Yes |
| Aux Latency | 0ms | - |
| Bass Extension (-10dB) | 52Hz | - |
| Battery Life | 20 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| IP Rating | IPX7 | IPX5 |
| Bluetooth Latency | 166ms | - |
| Maximum SPL | 97dB (measured by Alan Ross Reviews) | - |
| Weight | 1.2 lbs (535 g) | 1.3 lbs (590 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 4.2 |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| Dimensions | 7.1” x 2.7” x 2.7” (180 x 68 x 68 mm) | 7.8” x 2.7” x 2.7” (198 x 68 x 69 mm) |
| Drivers | 2x 45mm full-range drivers + 2x passive radiators | 2x 42mm full-range drivers + 2x passive radiators |
| TWS | Yes | Yes |
| Party Mode | No | Yes (Partychain up to 100 speakers) |
| Power Input | USB-C | Micro USB |
| Amplifier Power | 20W | 20W |
| Digital Aux Input | No | No |
| Omnidirectional | Yes | No |
| Stereo | No (360° mono; true stereo requires two paired StormBox units) | Yes |
| Power Bank | - | No |
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Prices on this page were last checked October 2, 2026 at 10:18 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 Stormbox: $68 Discontinued eBay
Newer model: the Tribit Stormbox 2, ranked higher, rated 3/5.
Pros: IPX7 water resistant, dual pairing for stereo setup, excellent battery life (20 hours), instant on/off buttons, 97dB max volume. Measured bass extension of 52Hz (-10dB).
Cons: Muffled sounding, treble dips from 5kHz-12kHz. Listening from the front is the worst frequency response, lay it down facing up with xbass off for the smoothest response. Not technically a 360 speaker, only front and rear. Discontinued; Tribit has retired it, superseded by the Stormbox 2.
Full Tribit Stormbox review and specifications →
| Amplifier Power | 20W |
|---|---|
| App | No |
| Aux Input | Yes |
| Aux Latency | 0ms |
| Bass Extension (-10dB) | 52Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 166ms |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.1” x 2.7” x 2.7” (180 x 68 x 68 mm) |
| Drivers | 2x 45mm full-range drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IPX7 |
| Maximum SPL | 97dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Input | USB-C |
| Stereo | No (360° mono; true stereo requires two paired StormBox units) |
| TWS | Yes |
| Weight | 1.2 lbs (535 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: All Tribit Speakers Compared - Maxsound Plus, Stormbox, Xsound Go, Maxboom More from alanrossreviews →
- Alan Ross Reviews: Earfun Uboom vs Tribit Stormbox - 360 degree bluetooth speaker comparison
- Alan Ross Reviews: Tribit Stormbox Pro Review - vs Tribit Stormbox - bass monster?? 🤔
- Head-to-Head Comparisons
- Tribit Stormbox vs Sony SRS-XE300
- Tribit Stormbox vs Yamaha True X Speaker 1A
- Tribit Stormbox vs Klipsch Groove/Heritage Groove
- Tribit Stormbox vs Ultimate Ears Boom 3
- Tribit Stormbox vs Ultimate Ears Boom 4
- Tribit Stormbox vs Bose SoundLink Color II
- Tribit Stormbox vs Ultimate Ears Wonderboom
- Tribit Stormbox vs Marshall Emberton III
- See all 74 comparisons
Sony SRS-XB20: $129 Discontinued eBay
Newer model: the Sony ULT Field 1, ranked higher, rated 3.1/5.
Pros: Sony SRS-XB20 uses 2x 42mm full-range drivers + 2x passive radiators. Its 590 g, claimed 12 hours (Manufacturer specified) battery life, IPX5 protection, aux input and stereo playback make it a practical option for its intended room or portable use.
Cons: No EQ adjustment. Sounds thin at higher volumes. Discontinued.
Full Sony SRS-XB20 review and specifications →
| Amplifier Power | 20W |
|---|---|
| App | Yes (SongPal) |
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 4.2 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.8” x 2.7” x 2.7” (198 x 68 x 69 mm) |
| Drivers | 2x 42mm full-range drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IPX5 |
| Omnidirectional | No |
| Party Mode | Yes (Partychain up to 100 speakers) |
| Power Bank | No |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.3 lbs (590 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Sony SRS-XB20 vs Yamaha True X Speaker 1A
- Sony SRS-XB20 vs Sony SRS-XE300
- Sony SRS-XB20 vs Bose SoundLink Color II
- Sony SRS-XB20 vs Klipsch Groove/Heritage Groove
- Sony SRS-XB20 vs Marshall Emberton III
- Sony SRS-XB20 vs Ultimate Ears Boom 3
- Sony SRS-XB20 vs Ultimate Ears Boom 4
- Sony SRS-XB20 vs Marshall Emberton II
- See all 73 comparisons