Short answer: the Minirig 2 if you want to add a subwoofer. At $140 against the A1’s $200, it is modular and can easily attach a subwoofer, though it only calls itself splash resistant and has no official water rating. The B&O A1 goes deeper in the bass than the A1 2nd gen but is not quite as neutral as the 2nd gen.
Buy the B&O Beosound A1 or the Minirig 2, whichever you find used in better condition; both are discontinued. For a new speaker, buy the Minirig 4, which replaces the Minirig 2.
There is a real battery-life gap here: the Minirig 2 is rated for 40 hours, the B&O Beosound A1 only 24 hours.
Water resistance is not close: the B&O Beosound A1 is rated at IP67 (brief submersion), well ahead of the Minirig 2 at Splash resistant (splashing).
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Specifications Side By Side
| B&O Beosound A1 | Minirig 2 | |
|---|---|---|
| Price | $200 Discontinued | $140 Discontinued |
| Ranked | #10 of 179 in Medium Size Portable Bluetooth Speakers | #9 of 179 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 50Hz | 54Hz |
| Battery Life | 24 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| Built-in Microphone | Yes | No |
| EQ | Yes | Yes |
| IP Rating | IP67 | Splash resistant |
| Maximum SPL | 99dB (measured by Alan Ross Reviews) | 95dB (measured by Alan Ross Reviews) |
| Power Bank | No | No |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| Digital Aux Input | Yes (USB-C) | No |
| Weight | 1.3 lbs (589 g) | 1.1 lbs (488 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC, AAC | aptX |
| Power Input | USB-C | Proprietary USB cable |
| Drivers | 15mm tweeter + 83mm mid/bass driver | 70mm speaker driver |
| Amplifier Power | 60W total (30W each driver) | 15W |
| Dimensions | 5.2”W x 5.2”D x 1.9”H (133 x 133 x 48 mm) | 4” x 3” (102 x 76 mm) (diameter x height) |
| TWS | Yes | Yes (cable) |
| Bluetooth Version | 4.2 | 4.2 |
| Strap | Yes (built-in strap) | - |
| Aux Latency | - | 0ms |
| Bluetooth Latency | - | 150ms (1 speaker) / 500ms (2 speakers stereo) |
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