Short answer: the Bose Soundlink Micro 2 if sound quality matters most, the Monster Bluetooth Speaker if price matters most. The Bose Soundlink Micro 2 ranks #18 of 62 small speakers, rated 3.6/5, at $129. The Monster Bluetooth Speaker ranks #39, rated 3.0/5, at $19.99, $109.01 cheaper.
The Bose Soundlink Micro 2 is the better-sounding, longer-running pick. A waterproof mini speaker with a fabric strap for bags and bikes and USB-C charging. It is rated for 12 hours of battery against 6.5 for the Monster Bluetooth Speaker. It supports aptX Bluetooth, which the Monster Bluetooth Speaker lacks. It links with other speakers (Bose Party mode), which the Monster Bluetooth Speaker cannot. The tradeoff: Lack of clarity.
The Monster Bluetooth Speaker is the lighter choice. 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 Bose Soundlink Micro 2 at 0.7 lbs (329 g). It keeps a wired aux input, which the Bose Soundlink Micro 2 lacks. Watch for: Its tiny 36mm driver has very limited bass (about 95Hz at -10dB), elevated mids and rolled-off highs.
Buy the Bose Soundlink Micro 2 when sound quality outweighs the price for you, and the Monster Bluetooth Speaker when the price outweighs sound quality instead.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
A waterproof mini speaker with a fabric strap for bags and bikes and USB-C charging.
A very cheap, light waterproof travel speaker with USB-C charging, aux and microSD playback, and stereo pairing.
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Specifications Side By Side
| Bose Soundlink Micro 2 | Monster Bluetooth Speaker | |
|---|---|---|
| Price | $129.00 | $19.99 |
| Ranked | #18 of 62 in Small Size Portable Bluetooth Speakers | #39 of 62 in Small Size Portable Bluetooth Speakers |
| App | Yes | No |
| Battery Life | 12 hours (Manufacturer specified) | 6.5 hours (Manufacturer specified) |
| Built-in Microphone | No | Yes |
| EQ | Yes | No |
| IP Rating | IP67 | IPX7 |
| Party Mode | Yes (Bose Party mode) | No |
| Power Bank | No | No |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| TWS | Yes | Yes |
| Weight | 0.7 lbs (329 g) | 0.4 lbs (185 g) |
| Aux Input | No | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, aptX, SBC | SBC |
| Bluetooth Version | 5.4 | 5.4 |
| Dimensions | 4.1” x 4.1” x 1.7” (104 x 104 x 43 mm) | Specifications vary by model |
| Charging Time | 3 hours | - |
| Drivers | 40mm full-range driver with passive radiator | 1.4” (36mm) full-range driver |
| Digital Aux Input | No | No |
| Strap | Yes (built-in strap) | Yes (carabiner hook, suction cup) |
| Bass Extension (-10dB) | - | 95Hz |
| MicroSD Playback | - | Yes |
| Amplifier Power | - | 5W |
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