Short answer: the B&O Beosound A1 3rd gen for the higher ranking, the KEF Muo gen2 for the lower price. The B&O Beosound A1 3rd gen ranks #18 of 134 medium speakers at $399. The KEF Muo gen2 ranks #72 at $249.99, $149.01 cheaper.
The case for the B&O Beosound A1 3rd gen: Longer battery than the 2nd gen (~24 hours at sensible volumes). The catch: Distorts easier than the 2nd gen with deeper bass.
What the KEF Muo gen2 gets right: KEF seemed to have fixed the rolled off treble and overall balance. The catch: Lacking deeper bass.
Buy the B&O Beosound A1 3rd gen if the ranking matters more than the price. Buy the KEF Muo gen2 if the price matters more than the ranking.
Specifications Side By Side
| B&O Beosound A1 3rd gen | KEF Muo gen2 | |
|---|---|---|
| Price | $399.00 | $249.99 |
| Ranked | #18 of 134 in Medium Size Portable Bluetooth Speakers | #72 of 134 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | No | - |
| Battery Life | 24 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Built in Microphone | Yes | - |
| EQ | Yes | - |
| Power Bank | No | - |
| Stereo | No | Yes |
| TWS | Yes | Yes |
| USB Audio | Yes | Yes |
| Weight | 1.2 lbs / 558 g | 1.6 lbs / 740 g |
| Bluetooth Codecs | AAC, aptX Adaptive | SBC, aptX Adaptive up to 48 KHz 24 bit |
| Bluetooth Version | 5.1 | 5.4 |
| Dimensions | 5.2" x 1.8" x 5.2" (133 x 46 x 133 mm) | 8.5" x 3.2" x 2.3" (216 x 82 x 59 mm) |
| Drivers | 82.5mm woofer, 15mm tweeter | 1x 58x117mm racetrack woofer, 1x 20mm tweeter |
| IP Rating | IP67 | IP67 |
| Output Power | 60W | 40W |
| Party Mode | - | Auracast |
| Frequency Response | - | 43Hz - 20kHz (Manufacturer specified) |
| Max Volume | - | 90dB |
The Two Speakers In Full
B&O Beosound A1 3rd gen: $399.00 Amazon Bhphotovideo
Pros: Longer battery than the 2nd gen (~24 hours at sensible volumes). IP67 rated with a serviceable, replaceable battery - the first Bluetooth speaker with Cradle to Cradle certification. Multipoint connectivity and aptX Adaptive.
Cons: Distorts easier than the 2nd gen with deeper bass. Dipped area in the upper mids. Not as deep of bass as the 2nd gen
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, aptX Adaptive |
| Bluetooth Version | 5.1 |
| Built in Microphone | Yes |
| Dimensions | 5.2" x 1.8" x 5.2" (133 x 46 x 133 mm) |
| Drivers | 82.5mm woofer, 15mm tweeter |
| EQ | Yes |
| IP Rating | IP67 |
| Output Power | 60W |
| Power Bank | No |
| Stereo | No |
| TWS | Yes |
| USB Audio | Yes |
| Weight | 1.2 lbs / 558 g |
- Reviews, Comparisons and Sound Samples
- JOY‘s 🎧3D🔈Audio-Show: B&O Beoplay/Beosound A1 - all 3 generations compared
- JOY‘s 🎧3D🔈Audio-Show: B&O Beosound A1 3rd gen - outdoor sound test
- JOY‘s 🎧3D🔈Audio-Show: B&O Beosound A1 3rd gen vs 2nd gen - worth the premium?
- Oluv Patreon: B&O Beosound A1 3rd gen - soundcheck
- Oluv Patreon: B&O Beosound A1 3rd gen - outdoor test
- Head-to-Head Comparisons
- Links
KEF Muo gen2: $249.99 Amazon
Pros: KEF seemed to have fixed the rolled off treble and overall balance
Cons: Lacking deeper bass. Very thuddy bass. Appears to be the exact same hardware but with updated tuning
| App | Yes |
|---|---|
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, aptX Adaptive up to 48 KHz 24 bit |
| Bluetooth Version | 5.4 |
| Dimensions | 8.5" x 3.2" x 2.3" (216 x 82 x 59 mm) |
| Drivers | 1x 58x117mm racetrack woofer, 1x 20mm tweeter |
| Frequency Response | 43Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| Max Volume | 90dB |
| Output Power | 40W |
| Party Mode | Auracast |
| Stereo | Yes |
| TWS | Yes |
| USB Audio | Yes |
| Weight | 1.6 lbs / 740 g |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- KEF Muo gen2 vs B&O Beosound A1
- KEF Muo gen2 vs B&O Beosound Explore
- KEF Muo gen2 vs Bose Soundlink Revolve+ II
- KEF Muo gen2 vs Denon Envaya DSB-250BT
- KEF Muo gen2 vs JBL Charge 5 Wifi
- KEF Muo gen2 vs Sony ULT Field 3
- KEF Muo gen2 vs Tribit Stormbox Mini+
- KEF Muo gen2 vs Turtlebox Ranger
- KEF Muo gen2 vs B&O Beosound A1 2nd gen
- KEF Muo gen2 vs Huawei Sound Joy
- KEF Muo gen2 vs JBL Pulse 5
- KEF Muo gen2 vs Minirig 4
- KEF Muo gen2 vs Sony SRS-XB30
- KEF Muo gen2 vs Ultimate Ears Megaboom 4
- KEF Muo gen2 vs Harman Kardon Luna
- KEF Muo gen2 vs JBL Charge 5
- KEF Muo gen2 vs Marshall Emberton II
- KEF Muo gen2 vs Sonos Roam 2
- KEF Muo gen2 vs Ultimate Ears Megaboom 3
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.