Massive Sound. Arena-Level Bass.
Transform any venue into a live concert stage with the Sony ULT TOWER 10 (SRS-ULT900) High Power Audio System. As the flagship model in Sony's ULT POWER SOUND lineup, this towering party speaker is engineered to deliver massive 360° Party Sound, ultra-deep bass, and dynamic 360° Party Lights that pulse in sync with the beat.
Equipped with a massive X-Balanced Woofer Unit, rear-facing tweeters, TV Sound Booster technology, and an included wireless microphone for immediate karaoke, the SRS-ULT900 brings venue-grade performance straight to your living room or outdoor events.
Key Features
ULT POWER SOUND™ (ULT1 & ULT2 Modes)
Press the ULT button to activate two distinct bass signatures: ULT1 unleashes deep, low-frequency bass that vibrates the room, while ULT2 delivers punchy, fast-paced rhythm bass.
360° Party Sound & 360° Party Lighting
Featuring four high-efficiency tweeters (front and rear) and horn-loaded mid-range drivers, the speaker fills every corner of the room with crystal-clear audio and vibrant, synchronized light shows.
Wireless Karaoke Microphone & Guitar Input
Host instant karaoke sessions with the included high-quality wireless microphone. Connect a guitar or a second microphone to turn the speaker into an active live performance amplifier.
TV Sound Booster
Connect to your TV via the included optical digital cable to enhance audio performance. Deep bass and realistic room-filling audio elevate movies, sports, and live concert broadcasts.
Built-in Wheels & Carrying Handle
Despite its powerful stature, smooth-rolling rear casters and an integrated grab handle allow you to tilt and roll the speaker anywhere effortlessly.
See the ULT TOWER 10 in Action
Technical Specifications
| Model Name | Sony ULT TOWER 10 (SRS-ULT900) |
| Speaker System | 3-Way, Bass Reflex System |
| Woofer Unit Size | Approx. 320 mm x 320 mm (Square X-Balanced) |
| Sound Modes | ULT POWER SOUND (ULT1 / ULT2), 10-Band Custom EQ |
| Illumination | 360° Party Lighting (RGB Sync) |
| Wireless Connectivity | Bluetooth® 5.2 (Fast Pair, Party Connect, Stereo Pair) |
| Supported Audio Codecs | SBC, AAC, LDAC |
| Inputs & Outputs | Optical Digital In, Stereo Mini (3.5mm), USB-A (Play & Charge), 6.3mm Mic/Guitar In |
| Dimensions (W x H x D) | Approx. 418 mm x 1106 mm x 428 mm |
| Weight | Approx. 29 kg (63.9 lbs) |
| Supported Apps | Sony | Music Center & Fiestable App |
What’s in the Box?
- Sony ULT TOWER 10 Audio System (SRS-ULT900)
- Wireless Karaoke Microphone (AA batteries included)
- AC Power Cord
- Optical Digital Cable
- Quick Setup Guide & Warranty Documentation