Short answer: the Teufel Rockster. It ranks #7 of 11 large party speakers by sound quality; the Sony ULT Tower 9 ranks #8.
What the Teufel Rockster offers: Loudest battery powered speaker. Watch for: Extremely heavy, not easy to carry.
What the Sony ULT Tower 9 offers: Slightly better sounding than the ULT Tower 10 Watch for: Not as deep of bass and loses more bass at high volume even compared to the lower end Partybox speakers.
Buy the Teufel Rockster if sound quality matters more than the price. Buy the Sony ULT Tower 9 if the price matters more than sound quality.
Specifications Side By Side
| Teufel Rockster | Sony ULT Tower 9 | |
|---|---|---|
| Price | €950 | $800 |
| Ranked | #7 of 11 in Large Party Size Portable Bluetooth Speakers | #8 of 11 in Large Party Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 30 hours (Manufacturer specified) | 25 hours (Manufacturer specified) |
| 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 |
| TWS | Yes | Yes |
| USB Playback | Yes | Yes |
| Wifi | 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 |
| Output Power | 450W | 148W |
| Max Volume | 115dB | - |
| Digital Aux Input | No | No |
| Removable Battery | - | No |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- JBL Partybox 710 vs Sony ULT Tower 10
- JBL Partybox 520 vs JBL Partybox 710
- JBL Partybox 520 vs Sony ULT Tower 10
- JBL Partybox 710 vs Teufel Rockster
- JBL Partybox 710 vs Sony ULT Tower 9
The Two Speakers In Full
Teufel Rockster: €950
Pros: Loudest battery powered speaker. Deeper bass than the Soundboks 2/3.
Cons: Extremely heavy, not easy to carry. Not stereo. Only available in Europe
Full Teufel Rockster review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | aptX, SBC |
| Bluetooth Version | 4.0 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 23.1" x 30.2" x 17.8" (588 x 768 x 451 mm) |
| Drivers | 2-way: 1x 15" (380mm) woofer, 1x 1" horn-loaded tweeter |
| EQ | Yes |
| Guitar Input | Yes |
| IP Rating | None |
| Max Volume | 115dB |
| Microphone Input | Yes |
| Output Power | 450W |
| Party Mode | Yes (Party Link, up to 100 speakers) |
| Power Bank | Yes |
| Power Input | AC Power cord |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 68.3 lbs / 31 kg |
| Wifi | No |
| XLR Input | Yes |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Sony ULT Tower 9: $800 Amazon
Pros: Slightly better sounding than the ULT Tower 10
Cons: Not as deep of bass and loses more bass at high volume even compared to the lower end Partybox speakers. Bass drops off a lot at higher volumes. Not quite as loud as the ULT Tower 10
Full Sony ULT Tower 9 review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 25 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.3 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 16.1" x 35.8" x 18" (410 x 910 x 456 mm) |
| Drivers | 7 drivers: 1x 12.6"x12.6" woofer, 2x 4.7" midrange, 2x 2" tweeter, 2x 1.6" rear tweeter |
| EQ | Yes (10 band) |
| Guitar Input | Yes |
| IP Rating | None |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Output Power | 148W |
| Party Mode | Yes (Auracast up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/1.5A) |
| Power Input | AC Power cord |
| Removable Battery | No |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 65.3 lbs / 29.6 kg |
| Wifi | No |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Oluv Patreon: Sony ULT Tower 9 vs JBL Partybox 720 - indoor listening test
- Oluv Patreon: Sony ULT Tower 9 vs JBL Partybox 720 - power generator test
- GYMCADDY: Sony ULT Tower 9 Vs Sony ULT Tower 10 - Size Doesn’t Matter
- GYMCADDY: Sony ULT Tower 9 Review - Amazing Instrument Separation
- GYMCADDY: JBL Partybox 720 Vs Sony ULT Tower 9
- Reddit Search for Sony ULT Tower 9 Review
- Head-to-Head Comparisons
- Sony ULT Tower 9 vs Sony ULT Tower 10
- Sony ULT Tower 9 vs JBL Partybox 520
- Sony ULT Tower 9 vs Sony SRS-XV900
- Sony ULT Tower 9 vs JBL Partybox 710
- Sony ULT Tower 9 vs JBL Partybox 720
- Sony ULT Tower 9 vs Teufel Rockster 2
- Sony ULT Tower 9 vs JBL Partybox 1000
- Sony ULT Tower 9 vs JBL Partybox Ultimate