Short answer: it comes down to battery versus bass depth. The B&O A1 3rd gen runs about 24 hours at sensible volumes but distorts easier than the 2nd gen with deeper bass; the Teufel Rockster XS is a good sounding speaker whose bass is not quite as deep as others.
Buy the B&O Beosound A1 3rd gen. It is rated higher for sound quality, and the Teufel Rockster XS is discontinued, so it is only available used.
If battery life is a priority, the B&O Beosound A1 3rd gen is rated for 24 hours versus 14 hours for the Teufel Rockster XS.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| B&O Beosound A1 3rd gen | Teufel Rockster XS | |
|---|---|---|
| Price | $299.99 | €180 Discontinued |
| Ranked | #19 of 164 in Medium Size Portable Bluetooth Speakers | #35 of 164 in Medium Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | No | Yes |
| Battery Life | 24 hours (Manufacturer specified) | 14 hours (Manufacturer specified) |
| Built-in Microphone | Yes | - |
| EQ | Yes | No |
| Power Bank | No | Yes (USB-A) |
| Stereo | No | Yes |
| Omnidirectional | Pointing up | No |
| TWS | Yes | Yes |
| Digital Aux Input | Yes (USB-C) | No |
| Weight | 1.2 lbs (558 g) | 1.6 lbs (720 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive | aptX |
| Bluetooth Version | 5.1 | 4.0 |
| Dimensions | 5.2” x 1.8” x 5.2” (133 x 46 x 133 mm) | 2.7” x 3.4” x 7” (69 x 86 x 178 mm) |
| Drivers | 82.5mm woofer, 15mm tweeter | 65mm woofer + 20mm tweeter |
| IP Rating | IP67 | IPX7 |
| Amplifier Power | 60W | 32W |
| Power Input | USB-C | Micro USB |
| Strap | Yes (built-in strap) | - |
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Prices on this page were last checked October 4, 2026 at 9:58 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
B&O Beosound A1 3rd gen: $299.99 Amazon B&H Photo Video eBay
Older models: the B&O Beosound A1 2nd gen (ranked higher, rated 4.3/5) and the B&O Beosound A1 (ranked higher, rated 4.3/5).
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 | Yes |
| 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 |
| 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 - 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
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Teufel Rockster XS: €180 Discontinued eBay
Pros: Teufel Rockster XS uses 65mm woofer + 20mm tweeter. Its 720 g, claimed 14 hours (Manufacturer specified) battery life, IPX7 protection, aux input and stereo playback make it a practical option for its intended room or portable use. A good sounding speaker for its size.
Cons: There is no companion app. No EQ adjustment. Bass does not reach as deep as others, and it was only sold in Europe. Discontinued.
Full Teufel Rockster XS review and specifications →
| Amplifier Power | 32W |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 14 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | aptX |
| Bluetooth Version | 4.0 |
| Digital Aux Input | No |
| Dimensions | 2.7” x 3.4” x 7” (69 x 86 x 178 mm) |
| Drivers | 65mm woofer + 20mm tweeter |
| EQ | No |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Power Bank | Yes (USB-A) |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.6 lbs (720 g) |
- Links
- Reviews, Comparisons and Sound Samples
- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
- Head-to-Head Comparisons
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- Teufel Rockster XS vs Soundcore Motion 100
- See all 23 comparisons