Short answer: the Soundcore Boom 2. It ranks #10 of 120 large speakers by sound quality (rated 4.5/5); the Teufel Rockster Cross 2 ranks #22 (rated 4.2/5).
In a direct comparison the Boom 2 comes out ahead. The reviewer who tested the Cross 2 found it struggles somewhat against the Boom 2. The Boom 2 reaches about 47Hz and measured about 105dB. The Cross 2 measured about 101dB with EQ.
The Boom 2 needs setup. Turn BassUp off and use one of the community EQs linked on its page, since the stock tuning is bass heavy and a little bright. Its bass notes can also drop out at low volume.
The Cross 2 has the better connectivity and battery. It has a 3.5mm aux input, a USB-C sound card, multipoint pairing and AAC, and claims 38 hours against the Boom 2’s 24.
Weather and weight: the Boom 2 is IPX7 and weighs 3.7 lbs (1.68 kg). The Cross 2 is IPX5 and weighs 5.3 lbs (2.4 kg).
Buy the Soundcore Boom 2. It is rated higher for sound quality than the Teufel Rockster Cross 2.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Prices on this page were last checked November 7, 2026 at 7:34 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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Specifications Side By Side
| Soundcore Boom 2 | Teufel Rockster Cross 2 | |
|---|---|---|
| Price | $99.99 | €249.99 |
| Ranked | #10 of 120 in Large Size Portable Bluetooth Speakers | #22 of 120 in Large Size Portable Bluetooth Speakers |
| App | Yes | Yes (Teufel Go) |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 47Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 38 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC, AAC |
| Built-in Microphone | No | - |
| EQ | Yes | Yes (bass and treble, presets) |
| IP Rating | IPX7 | IPX5 |
| Bluetooth Latency | 125ms | - |
| Maximum SPL | 105dB (measured by Alan Ross Reviews) | 101dB (measured by M1M Tech Channel) |
| MicroSD Playback | No | - |
| Party Mode | Yes (PartyCast 2.0 up to 100 speakers) | Yes (Party Link, up to 100 speakers) |
| Power Bank | Yes (USB-A) | Yes (USB-C) |
| Power Input | USB-C | USB-C |
| Stereo | Partially (1 woofer) | Partially |
| Omnidirectional | No | No |
| TWS | Yes | Yes (Party Link Stereo) |
| Weight | 3.7 lbs (1.68 kg) | 5.3 lbs (2.4 kg) |
| Bluetooth Version | 5.3 | 5.3 |
| Dimensions | 11.7” x 7.3” x 4” (297 x 185 x 102 mm) | 15.4” x 5.9” x 5.1” (390 x 150 x 130 mm) |
| Drivers | 120mm x 90mm woofer, 2x 20mm tweeters | 120mm woofer, 2x 20mm textile dome tweeters + 2x passive radiators |
| Frequency Response | 45Hz - 20kHz (Manufacturer specified) | 50Hz - 20kHz (Manufacturer specified) |
| Amplifier Power | 80W | 40W RMS |
| Digital Aux Input | No | Yes (USB-C) |
| Lights | Yes | - |
| Strap | No | Yes (adjustable strap) |
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