These sit in different size classes, so this is not a straight ranking comparison. The Tribit Stormbox Micro 3 ranks #6 of 62 small speakers by sound quality at $56.76; the Bose Soundlink Flex 2nd gen ranks #37 of 179 medium speakers by sound quality at $159.
The Tribit Stormbox Micro 3 is the longer-running, lighter option. A tough strap on mini speaker with full waterproofing, a 24 hour battery and a power bank output. It is rated for 24 hours of battery against 12 for the Bose Soundlink Flex 2nd gen. At 0.7 lbs (330 g) it weighs much less than the Bose Soundlink Flex 2nd gen at 1.3 lbs (586 g). The catch: Bass is thuddy and distorted by default and needs EQ.
Why pick the Bose Soundlink Flex 2nd gen: A small, rugged waterproof speaker with clear, well balanced mids, app EQ, aptX Adaptive and stereo pairing with a second unit. It supports aptX Adaptive Bluetooth, which the Tribit Stormbox Micro 3 lacks. It links with other speakers (Bose Party mode), which the Tribit Stormbox Micro 3 cannot. The tradeoff: One Flex remains mono and cannot deliver genuine low-bass rumble; RTINGS also found the elevated treble can turn hi-hats and other high-frequency detail piercing.
Buy the Tribit Stormbox Micro 3 ($56.76) for a small speaker; the Bose Soundlink Flex 2nd gen ($159) suits a medium speaker instead.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Prices on this page were last checked November 11, 2026 at 3:26 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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Specifications Side By Side
| Tribit Stormbox Micro 3 | Bose Soundlink Flex 2nd gen | |
|---|---|---|
| Price | $56.76 | $159.00 |
| Ranked | #6 of 62 in Small Size Portable Bluetooth Speakers | #37 of 179 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | No | No |
| Bass Extension (-10dB) | 62Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC, AAC, aptX Adaptive |
| Built-in Microphone | Yes | Yes |
| EQ | Yes (9 Band) | Yes (3 band) |
| IP Rating | IP68 | IP67 |
| Maximum SPL | 93dB (measured by Alan Ross Reviews) | - |
| Party Mode | No | Yes (Bose Party mode) |
| Power Bank | Yes (USB-C) | - |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | No |
| TWS | Yes | Yes |
| Weight | 0.7 lbs (330 g) | 1.3 lbs (586 g) |
| Bluetooth Version | 6.0 | 5.3 |
| Amplifier Power | 13W | - |
| Dimensions | 4.4” x 4.2” x 1.8” (112 x 107.9 x 45 mm) | 7.9” x 3.5” x 2” (201 x 90 x 52 mm) |
| Drivers | 48mm NdFeB driver with coaxial passive radiators | 60mm full-range driver with passive radiators |
| Digital Aux Input | No | No |
| Strap | Yes (built-in strap) | Yes (built-in loop) |
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