Short answer: the B&O Beosound A1 2nd gen if sound quality matters most, the Bogasing M5 if price matters most. The B&O Beosound A1 2nd gen ranks #11 of 177 medium speakers, rated 4.3/5, at $395. The Bogasing M5 ranks #61, rated 3.5/5, at $52.99, $342.01 cheaper.
The Bogasing M5 is the louder, longer-running option. A compact, backpack friendly speaker with very long battery life and USB-C charging at a budget price. Alan Ross Reviews measured it at 96dB at full volume, against 93dB for the B&O Beosound A1 2nd gen. It is rated for 30 hours of battery against 18 for the B&O Beosound A1 2nd gen. It keeps a wired aux input, which the B&O Beosound A1 2nd gen lacks. The catch: Front/rear driver configuration.
The B&O Beosound A1 2nd gen is the better-sounding, lighter option. A premium waterproof puck speaker with balanced sound, a built in strap, and a long battery for travel. At 1.2 lbs (558 g) it weighs noticeably less than the Bogasing M5 at 1.7 lbs (757 g).
Buy the Bogasing M5 if the price matters more than sound quality. Buy the B&O Beosound A1 2nd gen if sound quality matters more than the price.
Want more options? Browse the full Portable Bluetooth rankings.
A compact, backpack friendly speaker with very long battery life and USB-C charging at a budget price.
A premium waterproof puck speaker with balanced sound, a built in strap, and a long battery for travel.
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
| Bogasing M5 | B&O Beosound A1 2nd gen | |
|---|---|---|
| Price | $52.99 | $395.00 |
| Ranked | #61 of 177 in Medium Size Portable Bluetooth Speakers | #11 of 177 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 61Hz | 58Hz |
| Battery Life | 30 hours (Manufacturer specified) | 18 hours (Manufacturer specified) |
| IP Rating | IPX7 | IP67 |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) | 93dB (measured by Alan Ross Reviews) |
| MicroSD Playback | Yes | - |
| Power Bank | Yes (USB-A) | No |
| Stereo | No (front/rear drivers) | No |
| Omnidirectional | Yes | Pointing up |
| TWS | Yes | Yes |
| USB Playback | Yes | - |
| Weight | 1.7 lbs (757 g) | 1.2 lbs (558 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 5.1 |
| Dimensions | 6.3” x 3” x 2.8” (160 x 76 x 71 mm) | 5.2”W x 5.2”D x 1.8”H (133 x 133 x 46 mm) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 40W | 60W total (2x 30W Class D) |
| Drivers | 30W system | 3.5mm aluminium driver + 0.75 inch silk dome tweeter |
| Digital Aux Input | No | Yes (USB-C) |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC, AAC, aptX Adaptive |
| App | No | Yes |
| EQ | Yes | Yes |
| Power Input | USB-C | USB-C |
| Built-in Microphone | - | Yes |
| Bluetooth Latency | - | 90ms |
| Strap | - | Yes (built-in strap) |
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