Short answer: the B&O Beosound A1 2nd gen for better sound quality, the Ultimate Ears Wonderboom 2 for the lower price. The B&O Beosound A1 2nd gen ranks #10 of 142 medium speakers at $395. The Ultimate Ears Wonderboom 2 ranks #89 at $80, $315 cheaper.
What the Ultimate Ears Wonderboom 2 offers: IP67 rated and floats. Compact and light enough to toss in a bag. Watch for: Not stereo, barely any bass, recessed treble. Slightly boosted 93hz upper bass Dip at 9khz. You can tell from the micro USB that they are just feeding you the same crap hardware over and over, this is inexcusable for a product released in 2019. Not technically a 360 speaker, only front and rear.
What the B&O Beosound A1 2nd gen offers: 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. Watch for: Bass is limited by its 58Hz specification.
Buy the Ultimate Ears Wonderboom 2 when the price outweighs sound quality for you, and the B&O Beosound A1 2nd gen when sound quality outweighs the price instead.
If battery life is a priority, the B&O Beosound A1 2nd gen is rated for 18 hours versus 12 hours for the Ultimate Ears Wonderboom 2.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Ultimate Ears Wonderboom 2 | B&O Beosound A1 2nd gen | |
|---|---|---|
| Price | $80 | $395.00 |
| Ranked | #89 of 142 in Medium Size Portable Bluetooth Speakers | #10 of 142 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 82Hz | 58Hz |
| Battery Life | 12 hours (Manufacturer specified) | 18 hours (Manufacturer specified) |
| Maximum SPL | 88dB (measured by Alan Ross Reviews) | 93dB (measured by Alan Ross Reviews) |
| Power Input | Micro USB | USB-C |
| Stereo | No | No |
| Omnidirectional | Yes | Pointing up |
| Weight | 0.9 lbs (420 g) | 1.2 lbs (558 g) |
| IP Rating | IP67 | IP67 |
| Bluetooth Version | 5.1 | - |
| Dimensions | 4.1" x 3.8" (104 x 95.3 mm) | - |
| Drivers | 2x 40mm active drivers + 2x passive radiators | 3.5mm aluminium driver + 0.75 inch silk dome tweeter |
| TWS | Yes | Yes |
| Party Mode | No | - |
| App | No | Yes |
| EQ | No | Yes |
| Built-in Microphone | No | Yes |
| Digital Aux Input | No | Yes (USB-C) |
| Bluetooth Codecs | SBC | SBC, AAC, aptX Adaptive |
| Aux Input | - | No |
| Bluetooth Latency | - | 90ms |
| Power Bank | - | No |
Related Speaker Comparisons
How B&O Beosound A1 2nd gen compares with other leading options:
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- B&O Beosound A1 2nd gen vs Soundcore Motion+
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- Denon Envaya DSB-250BT vs B&O Beosound A1 2nd gen
Prices on this page were last checked September 16, 2026 at 12:41 AM 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
Ultimate Ears Wonderboom 2: $80 Amazon eBay
Pros: IP67 rated and floats. Compact and light enough to toss in a bag. Measured bass extension of 82Hz (-10dB).
Cons: Not stereo, barely any bass, recessed treble. Slightly boosted 93hz upper bass Dip at 9khz. You can tell from the micro USB that they are just feeding you the same crap hardware over and over, this is inexcusable for a product released in 2019. Not technically a 360 speaker, only front and rear.
Full Ultimate Ears Wonderboom 2 review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 82Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.1 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 4.1" x 3.8" (104 x 95.3 mm) |
| Drivers | 2x 40mm active drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IP67 |
| Maximum SPL | 88dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Input | Micro USB |
| Stereo | No |
| TWS | Yes |
| Weight | 0.9 lbs (420 g) |
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B&O Beosound A1 2nd gen: $395.00 Amazon eBay
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 →
| App | Yes |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 58Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive |
| Bluetooth Latency | 90ms |
| Built-in Microphone | Yes |
| Digital Aux Input | Yes (USB-C) |
| 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 |
| TWS | Yes |
| Weight | 1.2 lbs (558 g) |
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