Short answer: the Tribit Xsound Mega for bass depth, the Bose SoundLink Max for an IP67 build. The Xsound Mega is described as having the deepest bass of any medium size speaker, but it uses a single driver and is not stereo. The Bose is IP67 rated to 1m, though a big upper-bass peak and a dipped midrange leave plenty of peaks and dips above.

Buy the Bose SoundLink Max at $399 if you want a large speaker. Buy the Tribit Xsound Mega at $71.61 if you want a medium speaker instead.
Want more options? Browse the full Portable Bluetooth rankings.
A rugged waterproof speaker with deep bass, a very long real world battery and a port that charges your phone.
A waterproof medium speaker with remarkably deep bass for its size and long battery life, now discontinued but worth buying used.
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Specifications Side By Side
| Bose SoundLink Max | Tribit Xsound Mega | |
|---|---|---|
| Price | $399.00 | $71.61 Discontinued |
| Ranked | #17 of 120 in Large Size Portable Bluetooth Speakers | #21 of 179 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | Yes |
| Aux Latency | 33ms | - |
| Bass Extension (-10dB) | 48Hz | 47Hz |
| Battery Life | 20 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Built-in Microphone | No | No |
| IP Rating | IP67 | IPX7 |
| Bluetooth Latency | 116ms | 200ms |
| Power Bank | Yes (USB-C) | No |
| Power Input | USB-C | USB-C |
| Stereo | Partially (1 tweeter) | No |
| Omnidirectional | No | No |
| Weight | 4.9 lbs (2.2 kg) | 2.2 lbs (1020 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC (additional codecs unverified) |
| EQ | No | Yes |
| Party Mode | No | - |
| TWS | Yes | Yes |
| Bluetooth Version | 5.3 | 5.0 |
| Dimensions | 10.4” x 4.7” x 4.1” (264.7 x 120.1 x 104.9 mm) | 9.8”H x 3.4”W x 3.1”D (250 x 87 x 80 mm) |
| Drivers | 2x 2.5” (63.5mm) midrange drivers + 1x 0.79” (20mm) tweeter | 60mm woofer + 35mm tweeter + passive radiators |
| Digital Aux Input | No | No |
| Strap | No | - |
| Maximum SPL | - | 100dB (measured by Alan Ross Reviews) |
| Amplifier Power | - | 30W RMS |
Watch Them Compared
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