Short answer: the Sony ULT Field 5 for features and battery, the Tribit Stormbox Lava for bass depth. The ULT Field 5 is IP67 rated with a 25-hour battery, a 10-band app EQ, Party Connect for up to 100 speakers and USB-C in/out, but its bass is not as deep as others and its ULT button makes a loud tone when pressed. The Lava has fantastic bass extension, though it is heavy for its size.
The case for the Tribit Stormbox Lava: fantastic bass extension that goes deeper than the Soundcore Boom 2, and firmware 2.0.0 brought a big improvement in neutrality. The catch: it’s quite heavy for its size, has some bass boost way down low, and some peaks in the treble and upper mids.
Buy the Tribit Stormbox Lava. It is rated higher for sound quality than the Sony ULT Field 5 and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
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Specifications Side By Side
| Tribit Stormbox Lava | Sony ULT Field 5 | |
|---|---|---|
| Price | $139.99 | $348.00 |
| Ranked | #3 of 120 in Large Size Portable Bluetooth Speakers | #59 of 120 in Large Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | Yes |
| Aux Latency | 20ms | - |
| Bass Extension (-10dB) | 44Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 25 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC, AAC, LDAC |
| Bluetooth Latency | 128ms AAC, 144ms SBC | - |
| Built-in Microphone | Yes | Yes |
| EQ | Yes (10 band) | Yes (App + ULT button) |
| IP Rating | IP67 | IP67 |
| Maximum SPL | 108dB (measured by Alan Ross Reviews) | - |
| Party Mode | No | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes (USB-A) | Yes (USB-C) |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 5.2 lbs (2.37 kg) | 7.3 lbs (3.3 kg) |
| Bluetooth Version | 5.4 | 5.3 |
| Dimensions | 12.2” x 5.8” x 6” (310 x 147 x 152 mm) | 12.6” x 5.7” x 4.9” (320 x 144 x 125 mm) |
| Drivers | 2x 70mm woofers, 2x 30mm tweeters | 2x 46mm tweeters + 1x 79mm x 107mm woofer |
| Frequency Response | 43Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 80W | 27W |
| Digital Aux Input | No | No |
| Strap | Yes (detachable shoulder strap) | Yes (detachable shoulder strap) |
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