Short answer: the Tribit Stormbox Micro 2. It ranks #1 of 62 small speakers by sound quality, rated 4.5/5, at $35.39. The Monster Bluetooth Speaker ranks #39, rated 3.0/5, at $19.99, $15.40 cheaper, which does not close the gap in sound quality.
The Tribit Stormbox Micro 2 is the better-sounding, deeper-bass option. An excellent sounding small speaker, with surprisingly deep bass for its size and a strap that holds it on a bike or backpack. Its bass reaches about 65Hz before falling 10dB, against 95Hz for the Monster Bluetooth Speaker. It is rated for 12 hours of battery against 6.5 for the Monster Bluetooth Speaker. It has an adjustable EQ, which the Monster Bluetooth Speaker lacks. Watch for: Finicky phone charging, which doesn’t usually work.
The Monster Bluetooth Speaker is the lighter option. A very cheap, light waterproof travel speaker with USB-C charging, aux and microSD playback, and stereo pairing. At 0.4 lbs (185 g) it weighs much less than the Tribit Stormbox Micro 2 at 0.7 lbs (317 g). It keeps a wired aux input, which the Tribit Stormbox Micro 2 lacks. The tradeoff: Its tiny 36mm driver has very limited bass (about 95Hz at -10dB), elevated mids and rolled-off highs.
Buy the Tribit Stormbox Micro 2. It is rated higher for sound quality, and saving $15.40 with the Monster Bluetooth Speaker does not make up for the sound-quality gap.
Looking for alternatives? See the complete Portable Bluetooth rankings.
An excellent sounding small speaker, with surprisingly deep bass for its size and a strap that holds it on a bike or backpack.
A very cheap, light waterproof travel speaker with USB-C charging, aux and microSD playback, and stereo pairing.
Prices on this page were last checked October 31, 2026 at 7:11 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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Specifications Side By Side
| Tribit Stormbox Micro 2 | Monster Bluetooth Speaker | |
|---|---|---|
| Price | $35.39 | $19.99 |
| Ranked | #1 of 62 in Small Size Portable Bluetooth Speakers | #39 of 62 in Small Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 65Hz | 95Hz |
| Battery Life | 12 hours (Manufacturer specified) | 6.5 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| EQ | Yes (9 Band) | No |
| IP Rating | IP67 | IPX7 |
| Bluetooth Latency | 265ms | - |
| Maximum SPL | 94dB (measured by Alan Ross Reviews) | - |
| Party Mode | No | No |
| Power Bank | Yes (but it doesn’t usually work; USB-C, 10W) | No |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| TWS | Yes | Yes |
| Weight | 0.7 lbs (317 g) | 0.4 lbs (185 g) |
| Bluetooth Version | 5.3 | 5.4 |
| Amplifier Power | 10W | 5W |
| Dimensions | 3.9” x 3.9” x 1.7” (99.1 x 99.1 x 42.7 mm) | Specifications vary by model |
| Drivers | 48mm NdFeB driver | 1.4” (36mm) full-range driver |
| Digital Aux Input | No | No |
| Strap | Yes (built-in strap) | Yes (carabiner hook, suction cup) |
| MicroSD Playback | - | Yes |
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