Short answer: the Teufel Rockster XS. It ranks #33 of 150 medium speakers by sound quality (rated 3.9/5); the Bose Soundlink Revolve+ ranks #49 (rated 3.6/5).
The case for the Teufel Rockster XS: Teufel Rockster XS uses 65mm woofer + 20mm tweeter. The catch: There is no companion app.
The case for the Bose Soundlink Revolve+: True 360° sound stays consistent no matter where you stand. The tradeoff: Overly boosted bass, warm sounding.
One note: the Teufel Rockster XS is no longer sold new, but at #33 of 150 medium speakers by sound quality it still outranks most current models, so used is worth considering.
Buy the Teufel Rockster XS. It is rated higher for sound quality than the Bose Soundlink Revolve+.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Teufel Rockster XS | Bose Soundlink Revolve+ | |
|---|---|---|
| Price | €180 Discontinued | $254.99 Discontinued |
| Ranked | #33 of 150 in Medium Size Portable Bluetooth Speakers | #49 of 150 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 14 hours (Manufacturer specified) | 16 hours (Manufacturer specified) |
| Power Bank | Yes (USB-A) | - |
| Stereo | Yes | No |
| Omnidirectional | No | Yes |
| Weight | 1.6 lbs (720 g) | 2 lbs (0.91 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | aptX | SBC |
| Bluetooth Version | 4.0 | 4.2 |
| Dimensions | 2.7” x 3.4” x 7” (69 x 86 x 178 mm) | 4.1” x 7.2” x 4.1” (105 x 184 x 105 mm) |
| Amplifier Power | 32W | - |
| Drivers | 65mm woofer + 20mm tweeter | 91mm fullrange |
| IP Rating | IPX7 | IP55 |
| Digital Aux Input | No | No |
| App | No | Yes |
| EQ | No | No |
| TWS | Yes | Yes |
| Power Input | Micro USB | Micro USB |
| Bass Extension (-10dB) | - | 56Hz |
| Bass Extension (-3dB) | - | 54.2Hz (measured, Erin’s Audio Corner) |
| Party Mode | - | Yes (Bose Party mode) |
| Strap | - | No |
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Prices on this page were last checked September 29, 2026 at 3:43 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
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
- Teufel Rockster XS vs Tribit Xsound Plus 2
- Teufel Rockster XS vs Bose Soundlink Flex 2nd gen
- Teufel Rockster XS vs Bose Soundlink Flex
- Teufel Rockster XS vs Soundcore Boom 3i
- Teufel Rockster XS vs JBL Charge Essential 2
- Teufel Rockster XS vs JBL Charge 5
- Teufel Rockster XS vs JBL Charge 5 Wifi
- Teufel Rockster XS vs Soundcore Motion 100
- See all 23 comparisons
Bose Soundlink Revolve+: $254.99 Discontinued Amazon eBay
Newer model: the Bose Soundlink Revolve+ II, ranked higher, rated 3.6/5.
Pros: True 360° sound stays consistent no matter where you stand. Built-in carry handle, useful even with wet hands; can hang from a hook via carabiner. ~12 hour battery at medium-high volume. Measured bass extension of 54.2Hz (-3dB).
Cons: Overly boosted bass, warm sounding. Boosted mids. Rolled off treble. Discontinued.
Full Bose Soundlink Revolve+ review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 56Hz |
| Bass Extension (-3dB) | 54.2Hz (measured, Erin’s Audio Corner) |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 4.1” x 7.2” x 4.1” (105 x 184 x 105 mm) |
| Drivers | 91mm fullrange |
| EQ | No |
| IP Rating | IP55 |
| Omnidirectional | Yes |
| Party Mode | Yes (Bose Party mode) |
| Power Input | Micro USB |
| Stereo | No |
| Strap | No |
| TWS | Yes |
| Weight | 2 lbs (0.91 kg) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Bose Soundlink Revolve+ vs Bose Soundlink Revolve+ II
- Bose Soundlink Revolve+ vs W-King D320
- Bose Soundlink Revolve+ vs Soundcore Glow
- Bose Soundlink Revolve+ vs JBL Pulse 5
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- Bose Soundlink Revolve+ vs Bose Soundlink Revolve
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- Bose Soundlink Revolve+ vs Tribit Stormbox Flow
- See all 73 comparisons