Short answer: the Sony ULT Tower 9, if you are buying new. The Teufel Rockster ranks higher than it (#9 vs #10 of 13 large party speakers, 4.4/5 vs 4.2/5) but is discontinued, so only consider it used; the Sony ULT Tower 9 is still sold new at $898. The Teufel Rockster’s replacement, the Teufel Rockster 2, is rated 4.7/5 at $1,269.94.
Why pick the Teufel Rockster: A battery powered party PA with a 15 inch woofer, excellent sound, very high output, and mic and guitar inputs, now discontinued. The catch: There is no companion app.
Why pick the Sony ULT Tower 9: A battery powered party tower with good sound, a long battery, karaoke inputs, and a detailed app EQ. It supports LDAC Bluetooth, which the Teufel Rockster lacks. Watch for: Not as deep of bass and loses more bass at high volume even compared to the lower end Partybox speakers.
Buy the Sony ULT Tower 9, since the Teufel Rockster is discontinued and only worth hunting down used.
Want more options? Browse the full Portable Bluetooth rankings.
Prices on this page were last checked November 14, 2026 at 6:17 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
| Teufel Rockster | Sony ULT Tower 9 | |
|---|---|---|
| Price | €950 Discontinued | $898.00 |
| Ranked | #9 of 13 in Large Party Size Portable Bluetooth Speakers | #10 of 13 in Large Party Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 30 hours (Manufacturer specified) | 25 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | aptX, SBC | SBC, AAC, LDAC |
| Guitar Input | Yes | Yes |
| IP Rating | None | None |
| Microphone Input | Yes | Yes (Karaoke mode with echo effect) |
| Power Bank | Yes | Yes (USB-A, 5V/1.5A) |
| Power Input | AC Power cord | AC Power cord |
| Weight | 68.3 lbs (31 kg) | 65.3 lbs (29.6 kg) |
| XLR Input | Yes | - |
| App | No | Yes |
| Built-in Microphone | No | No |
| EQ | Yes | Yes (10 band) |
| Party Mode | Yes (Party Link, up to 100 speakers) | Yes (Auracast up to 100 speakers) |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | Yes |
| Wi-Fi | No | No |
| Bluetooth Version | 4.0 | 5.3 |
| Dimensions | 23.1” x 30.2” x 17.8” (588 x 768 x 451 mm) | 16.1” x 35.8” x 18” (410 x 910 x 456 mm) |
| Drivers | 2-way: 1x 15” (380mm) woofer, 1x 1” horn-loaded tweeter | 7 drivers: 1x 12.6”x12.6” woofer, 2x 4.7” midrange, 2x 2” tweeter, 2x 1.6” rear tweeter |
| Amplifier Power | 450W | 148W |
| Maximum SPL | 115dB (Manufacturer specified) | - |
| Digital Aux Input | No | No |
| Strap | No | No |
| Removable Battery | - | No |
| Lights | - | Yes |
Where the Ratings Come From
- Teufel Rockster: reviews by Oluv.
- Sony ULT Tower 9: reviews by Joy & Oluv’Sone 3DAudio & Music, Oluv and GYMCADDY.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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