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 164 medium speakers, rated 4.3/5, at $395. The Bogasing M5 ranks #64, rated 3.5/5, at $52.99, $342.01 cheaper.
The Bogasing M5 is the louder, longer-running option. Compact enough for a backpack side pocket at under 1.7 lbs (771 g). 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. 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.
Specifications Side By Side
| Bogasing M5 | B&O Beosound A1 2nd gen | |
|---|---|---|
| Price | $52.99 | $395.00 |
| Ranked | #64 of 164 in Medium Size Portable Bluetooth Speakers | #11 of 164 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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Prices on this page were last checked October 7, 2026 at 9:25 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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The Two Speakers In Full
Bogasing M5: $52.99 Amazon eBay
Older model: the Bogasing M4 (ranked higher, rated 4/5).
Pros: Compact enough for a backpack side pocket at under 1.7 lb. Up to 30 hours of battery life. USB-C charging: no proprietary cable to lose. Measured bass extension of 61Hz (-10dB).
Cons: Front/rear driver configuration. Use bass mode for the flattest response. Sounds thin in the midrange. Hot treble and rolled off bass in default mode. Treble a bit rolled off in bass mode.
Full Bogasing M5 review and specifications →
| Amplifier Power | 40W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 61Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 6.3” x 3” x 2.8” (160 x 76 x 71 mm) |
| Drivers | 30W system |
| EQ | Yes |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) |
| MicroSD Playback | Yes |
| Omnidirectional | Yes |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | No (front/rear drivers) |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 1.7 lbs (757 g) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
B&O Beosound A1 2nd gen: $395.00 Amazon eBay
Newer model: the B&O Beosound A1 3rd gen, ranked lower, rated 4.1/5.
Older model: the B&O Beosound A1 (ranked higher, rated 4.3/5).
Pros: B&O Beosound A1 2nd gen uses 3.5mm aluminium driver + 0.75 inch silk dome tweeter. Its 558 g, claimed 18 hours (Manufacturer specified) battery life, IP67 protection, up to 93dB and mono playback make it a practical option for its intended room or portable use. Measured bass extension of 58Hz (-10dB).
Cons: Bass is limited by its 58Hz specification.
Full B&O Beosound A1 2nd gen review and specifications →
| Amplifier Power | 60W total (2x 30W Class D) |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 58Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive |
| Bluetooth Latency | 90ms |
| Bluetooth Version | 5.1 |
| Built-in Microphone | Yes |
| Digital Aux Input | Yes (USB-C) |
| Dimensions | 5.2”W x 5.2”D x 1.8”H (133 x 133 x 46 mm) |
| Drivers | 3.5mm aluminium driver + 0.75 inch silk dome tweeter |
| EQ | Yes |
| IP Rating | IP67 |
| Maximum SPL | 93dB (measured by Alan Ross Reviews) |
| Omnidirectional | Pointing up |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (built-in strap) |
| TWS | Yes |
| Weight | 1.2 lbs (558 g) |
- Links
- Reviews, Comparisons and Sound Samples
- JOY‘s 🎧3D🔈Audio-Show: B&O Beoplay/Beosound A1 - all 3 generations compared More from Oluv’Sone →
- JOY‘s 🎧3D🔈Audio-Show: B&O Beosound A1 3rd gen vs 2nd gen - worth the premium?
- Alan Ross Reviews: B&O Beoplay A1 2nd gen vs Minirig mk3 bluetooth speaker More from alanrossreviews →
- Alan Ross Reviews: B&O Beoplay A1 2nd gen vs Minirig mk3 bluetooth speaker
- Alan Ross Reviews: Soundcore Motion Plus vs Beoplay A1 2nd gen - The Match!
- techkiste.net: B&O Beosound A1 (2nd Gen) vs Bose Revolve 2 vs Bose Revolve+ 2 sound-comparison
- Oluv Patreon: B&O Beosound A1 2nd gen vs Beoplay A1 outdoors with a bit of Anker Soundcore Motion+ too
- Oluv Patreon: (Anker) Soundcore Motion 300 - first impressions
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