Short answer: the Teufel Rockster Air. It ranks #27 of 50 party speakers by sound quality; the Soundboks 2 ranks #30.
What the Teufel Rockster Air offers: Exceptional 58-hour battery (31 hours at full volume with ECO mode). Watch for: Peaky midrange, not very natural sounding.
What the Soundboks 2 offers: Tied for the loudest battery powered speaker. Watch for: No major drawback is currently noted in our review summary.
Buy the Teufel Rockster Air if sound quality matters more than the price. Buy the Soundboks 2 if the price matters more than sound quality.

Specifications Side By Side
| Teufel Rockster Air | Soundboks 2 | |
|---|---|---|
| Price | €500 Discontinued | $550 |
| Ranked | #27 of 50 in Party Size Portable Bluetooth Speakers | #30 of 50 in Party Size Portable Bluetooth Speakers |
| App | No | No |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | ~52Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| Bluetooth Codecs | aptX, SBC | SBC |
| Bluetooth Version | 4.0 | 5.0 |
| Dimensions | 11.8" x 21.3" x 11" (300 x 540 x 280 mm) | - |
| EQ | No | No |
| IP Rating | None | None |
| Party Mode | No | No |
| Power Bank | Yes (USB-C, 5V/2A) | No |
| Power Input | AC Power cord | AC Power cord |
| Stereo | Yes | Yes |
| TWS | No | No |
| USB Playback | No | No |
| Weight | 32 lbs / 14.5 kg | 33.1 lbs / 15 kg |
| Output Power | 250W | 3 x 72W |
| Drivers | 2x 40mm tweeters + 2x 50mm woofers + passive radiators | 2x 10" woofers, 1" silk dome tweeter |
| Discontinued | Yes | - |
| Max Volume | 115dB | 124dB |
| Digital Aux Input | No | No |
| Charging Time | - | 3.5 hours |
| Guitar Input | - | Yes |
| Microphone Input | - | Yes |
| Removable Battery | - | Yes |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- Mackie Thump Go vs Audiocase S5
- JBL Partybox 330 vs Ultimate Ears Hyperboom
- Audiocase S5 vs Sony GTK-XB90
- JBL Boombox 4 vs Soundboks 2
- JBL Partybox 330 vs Soundboks 2
The Two Speakers In Full
Teufel Rockster Air: €500 Discontinued
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 |
| 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 |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Soundboks 2: $550 Soundboks Amazon
Pros: Tied for the loudest battery powered speaker. Removable 40 hour battery. High efficiency drivers reach 2-3x the volume of typical speakers for the same wattage. Negatives: Very large. Not as neutral or as deep of bass as the above Partyboxes. Not stereo. External power brick for charging.
Full Soundboks 2 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Charging Time | 3.5 hours |
| Digital Aux Input | No |
| Drivers | 2x 10" woofers, 1" silk dome tweeter |
| EQ | No |
| Guitar Input | Yes |
| IP Rating | None |
| Max Volume | 124dB |
| Microphone Input | Yes |
| Output Power | 3 x 72W |
| Party Mode | No |
| Power Bank | No |
| Power Input | AC Power cord |
| Removable Battery | Yes |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 33.1 lbs / 15 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons

