Short answer: the B&O Beosound A1 3rd gen on measured sound quality, the Sony ULT Field 1 on price. The B&O Beosound A1 3rd gen ranks #18 of 142 medium speakers at $381.52. The Sony ULT Field 1 ranks #79 at $98, $283.52 cheaper.
What the Sony ULT Field 1 offers: IP67 rated, survives drops and 1m submersion. Real-world battery around 28+ hours with ULT (bass boost) mode off. Stereo-pairs with a second ULT Field 1. Watch for: Upper midrange peak, rolled off treble
What the B&O Beosound A1 3rd gen offers: 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. Watch for: Distorts easier than the 2nd gen with deeper bass. Dipped area in the upper mids. Not as deep of bass as the 2nd gen
Buy the Sony ULT Field 1 when the price outweighs sound quality for you, and the B&O Beosound A1 3rd gen when sound quality outweighs the price instead.
If battery life is a priority, the B&O Beosound A1 3rd gen is rated for 24 hours versus 12 hours for the Sony ULT Field 1.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Sony ULT Field 1 | B&O Beosound A1 3rd gen | |
|---|---|---|
| Price | $98.00 | $381.52 |
| Ranked | #79 of 142 in Medium Size Portable Bluetooth Speakers | #18 of 142 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | No | No |
| Battery Life | 12 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Built-in Microphone | Yes | Yes |
| EQ | Yes | Yes |
| IP Rating | IP67 | IP67 |
| Party Mode | Yes (Party Connect up to 100 speakers) | - |
| Power Bank | No | No |
| Power Input | USB-C | - |
| Stereo | No | No |
| Omnidirectional | No | Pointing up |
| TWS | Yes | Yes |
| Weight | 1.4 lbs (650 g) | 1.2 lbs (558 g) |
| Bluetooth Codecs | AAC, SBC | SBC, AAC, aptX Adaptive |
| Bluetooth Version | 5.3 | 5.1 |
| Dimensions | 8.1" x 3" x 3" (206 x 77 x 76 mm) | 5.2" x 1.8" x 5.2" (133 x 46 x 133 mm) |
| Drivers | 83mm x 42mm woofer, 16mm tweeter + passive radiator | 82.5mm woofer, 15mm tweeter |
| Digital Aux Input | No | Yes (USB-C) |
| Amplifier Power | - | 60W |
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How B&O Beosound A1 3rd gen compares with other leading options:
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- B&O Beosound A1 vs B&O Beosound A1 3rd 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
Sony ULT Field 1: $98.00 Amazon eBay
Pros: IP67 rated, survives drops and 1m submersion. Real-world battery around 28+ hours with ULT (bass boost) mode off. Stereo-pairs with a second ULT Field 1.
Cons: Upper midrange peak, rolled off treble
Full Sony ULT Field 1 review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 8.1" x 3" x 3" (206 x 77 x 76 mm) |
| Drivers | 83mm x 42mm woofer, 16mm tweeter + passive radiator |
| EQ | Yes |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.4 lbs (650 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
B&O Beosound A1 3rd gen: $381.52 Amazon B&H Photo Video eBay
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
Full B&O Beosound A1 3rd gen review and specifications →
| Amplifier Power | 60W |
|---|---|
| App | Yes |
| Aux Input | No |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive |
| Bluetooth Version | 5.1 |
| Built-in Microphone | Yes |
| Digital Aux Input | Yes (USB-C) |
| 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 |
| Omnidirectional | Pointing up |
| Power Bank | No |
| Stereo | No |
| TWS | Yes |
| Weight | 1.2 lbs (558 g) |
- Links
- Reviews, Comparisons and Sound Samples
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