Teufel Rockster Air has a longer battery and XLR inputs but is Europe-only and costs several times as much as the Onn Large Party gen 2. They rank 19 of 51 and 28 of 51.
Rockster Air’s replaceable battery lasts a claimed 30 hours with XLR mic and instrument inputs plus daisy-chaining, reaching 112dB, though our notes describe a peaky midrange and distortion above half volume.
Onn Large Party gen 2 costs far less and is available more widely, with karaoke mic/guitar inputs and wheels built in, though Consumer Reports found its own bass boomy and treble smeared.
Buy the Teufel Rockster Air if you’re in Europe and want XLR inputs with a long battery life. Buy the Onn Large Party gen 2 for the lower price and wider availability.
If battery life is a priority, the Teufel Rockster Air is rated for 30 hours versus 12 hours for the Onn Large Party gen 2.
There is a real gap in water resistance: the Onn Large Party gen 2 at IPX4 (splashing) against the Teufel Rockster Air, which has no water resistance.
Specifications Side By Side
| Onn Large Party gen 2 | Teufel Rockster Air | |
|---|---|---|
| Price | $129 | €500 Discontinued |
| Ranked | #19 of 51 in Party Size Portable Bluetooth Speakers | #28 of 51 in Party Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 12 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| FM Tuner | Yes | - |
| Guitar Input | Yes | - |
| IP Rating | IPX4 | None |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Party Mode | Yes (Party Sync Mode) | No |
| Power Bank | Yes (USB-A, 5V/2.1A) | Yes (USB-C, 5V/2A) |
| Power Input | AC Power cord | AC Power cord |
| Stereo | Partially | Yes |
| Omnidirectional | No | No |
| Weight | 20.9 lbs / 9.5 kg | 32 lbs / 14.5 kg |
| Bluetooth Codecs | SBC | aptX, SBC |
| App | No | No |
| EQ | No | No |
| TWS | No | No |
| USB Playback | No | No |
| Drivers | Dual 8" (203mm) woofers + dual tweeters | 2x 40mm tweeters + 2x 50mm woofers + passive radiators |
| Digital Aux Input | No | No |
| Bass Extension (-10dB) | - | ~52Hz |
| Bluetooth Version | - | 4.0 |
| Dimensions | - | 11.8" x 21.3" x 11" (300 x 540 x 280 mm) |
| Output Power | - | 250W |
| Discontinued | - | Yes |
| Max Volume | - | 115dB |
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Prices on this page were last checked September 9, 2026 at 6:54 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
Onn Large Party gen 2: $129 Walmart eBay
Pros: A remarkably full-featured, manageable 9.5kg party speaker: wheels and handle, FM radio, aux, USB-A charging, mic and guitar inputs with karaoke echo, and Party Sync. Independent testing confirms bass with real impact and enough output for a large room; it is a clear improvement over the Gen 1 for low-end weight.
Cons: The low price shows in the refinement. Consumer Reports found boomy bass, hazy/grainy mids, a prominent smeared treble and a narrow, two-dimensional soundfield; it also notes distortion or other audio issues. There is no app or EQ to tame the tuning, and IPX4 only covers splashes rather than rain or immersion.
Full Onn Large Party gen 2 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Digital Aux Input | No |
| Drivers | Dual 8" (203mm) woofers + dual tweeters |
| EQ | No |
| FM Tuner | Yes |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | Yes (Party Sync Mode) |
| Power Bank | Yes (USB-A, 5V/2.1A) |
| Power Input | AC Power cord |
| Stereo | Partially |
| TWS | No |
| USB Playback | No |
| Weight | 20.9 lbs / 9.5 kg |
- Reviews, Comparisons and Sound Samples
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Teufel Rockster Air: €500 Discontinued eBay
Pros: Exceptional 58-hour battery (31 hours at full volume with ECO mode). User-replaceable battery adds real longevity. 112dB loud like live rock concert. Tight bass, solid build, clean full-range guitar output (legitimate practice amp). XLR mic/instrument/aux inputs with companion XLR daisy-chain. USB-A device charging. Party Link Stereo pairs two units wirelessly.
Cons: Peaky midrange, not very natural sounding. Starts to get distorted above half volume. Only available in Europe. Discontinued.
Full Teufel Rockster Air review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | ~52Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | aptX, SBC |
| Bluetooth Version | 4.0 |
| Digital Aux Input | No |
| Dimensions | 11.8" x 21.3" x 11" (300 x 540 x 280 mm) |
| Discontinued | Yes |
| Drivers | 2x 40mm tweeters + 2x 50mm woofers + passive radiators |
| EQ | No |
| IP Rating | None |
| Max Volume | 115dB |
| Omnidirectional | No |
| Output Power | 250W |
| Party Mode | No |
| Power Bank | Yes (USB-C, 5V/2A) |
| Power Input | AC Power cord |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 32 lbs / 14.5 kg |
- Links
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