




Bring stadium-level sound and lighting to your home parties with the Sony ULT TOWER9 (SRS-ULT900AC) Bluetooth Party Speaker. Featuring Sony’s ULT Bass Technology, this powerful speaker delivers deep, thunderous bass and room-filling sound for an unforgettable listening experience. With 360° Sound and 360° Party Lights, every corner of your room gets immersed in both audio and atmosphere.
The X-Balanced Speaker Unit ensures clear, distortion-free sound even at high volumes, while the TV Sound Booster enhances movies, shows, and gaming with richer audio output. Designed for entertainment lovers, the ULT TOWER9 also supports karaoke microphone connectivity, making it perfect for sing-along sessions and parties.
Customize your sound using the 10-Band Equalizer, connect multiple speakers via Party Connect, and keep your devices powered with the built-in power bank. With an intuitive touch control panel and sleek tower design, the Sony ULT TOWER9 is your ultimate all-in-one party speaker.
| SPEAKER TYPE | Woofer / Mid (L / R) / Tweeter (L / R) / Rear Tweeter (L / R) |
| NUMBER OF SPEAKER | Tweeter Unit: 2, Rear Tweeter Unit: 2, Woofer Unit: 1, Midrange Unit: 2 |
| SPEAKER SIZE | Woofer Unit: Approx. 320 mm x 320 mm, Midrange Unit: Approx. Φ 120 mm, Tweeter Unit: Approx. Φ 50 mm, Rear Tweeter Unit: Approx. Φ 40 mm |
| X-BALANCED SPEAKER UNIT | Woofer Unit |
| SOUND MODES | ULT POWER SOUND: 2 (ULT1 / ULT2), Volume Step: 50, custom EQ band: 10 |
| SOUND FUNCTIONS | TV Sound Booster, Sound Field Optimisation |
| DIMENSIONS (W X H X D) | Approx. 410 mm x 910 mm x 456 mm |
| WEIGHT | Approx. 62.83 lb |
| COMMUNICATION SYSTEM | Version 5.3 |
| COMPATIBLE PROFILES | A2DP, AVRCP, SPP |
| SPEAKER ADD FUNCTION | Stereo Pair,Party Connect |
| SUPPORTED CODECS | SBC, AAC, LDAC |
| FREQUENCY TRANSMISSION RANGE | 20 Hz–20,000 Hz (44.1 kHz sampling) |
| FREQUENCY RANGE | 2.4 GHz |
| INPUT AND OUTPUT TERMINALS | Stereo Mini Jack (IN), USB A, Optical Digital Input, MIC Input (Φ 6.3 mm), Guitar/MIC Input (Φ 6.3 mm) |
| COMPATIBLE SMARTPHONE APPS | Sound Connect |
| POWER SUPPLY | AC 120–240 V, 50/60 Hz |
| USB POWER PORT FOR SMARTPHONE | Yes |
| POWER CONSUMPTION | Approx. 148 W |
| WATER PROTECTION | Splashproof (top surface) |
| POWER CONSUMPTION (OFF MODE) | 0.3 W |
| POWER CONSUMPTION (STANDBY MODE / LOW POWER MODE) | Not Available |














