SONY ULT TOWER 9 | SRS-ULT900 – Party Speaker with 25-Hour Battery, ULT Modes & 360° LED Lighting

Technical Specifications

General Specifications

• Model: SRS-ULT900

• Product Type: Bluetooth Party Speaker

• Series: ULT POWER SOUND

• Color: Black

• Model Year: 2024

Audio

• Speaker Type: Woofer / Mid (L/R) / Tweeter (L/R) / Rear Tweeter (L/R)

• Number of Speakers: 7 (2 Tweeters, 2 Rear Tweeters, 1 Woofer, 2 Midrange)

• Speaker Size:

  • Woofer Unit: Approx. 320 x 320 mm (X-Balanced)

  • Midrange Unit: Approx. Φ 120 mm

  • Tweeter Unit: Approx. Φ 50 mm

  • Rear Tweeter Unit: Approx. Φ 40 mm

• Sound Modes: ULT POWER SOUND: 2 (ULT1: Deep Bass, ULT2: Attack Bass)

• Sound Functions: TV Sound Booster, Sound Field Optimization

• Custom EQ: 10-band via Sound Connect app

• Volume Step: 50

Connectivity

• Bluetooth Version: 5.3

• Compatible Profiles: A2DP, AVRCP, SPP

• Supported Codecs: SBC, AAC, LDAC

• Frequency Range: 2.4 GHz

• Transmission Range: 20 Hz - 20,000 Hz (44.1 kHz sampling)

• Speaker Add Functions: Stereo Pair, Party Connect (up to 100 speakers)

Features

• ULT Button: 2 sound modes (ULT1 Deep Bass, ULT2 Attack Bass)

• Splashproof (top surface only)

• Battery Life: Up to 25 hours

• Hands-Free Calling: Built-in microphone

• Charging: AC mains power (internal rechargeable battery)

• Lighting: Multicolor LED synchronized to music

• USB Power Port for Smartphone: Yes

Interfaces

• Input and Output Terminals:

  • Stereo Mini Jack (IN)

  • USB A (for playback and device charging)

  • Optical Digital Input

  • MIC Input (Φ 6.3 mm)

  • Guitar/MIC Input (Φ 6.3 mm)

Dimension Specifications

• Dimensions (W x H x D): Approx. 410 x 910 x 456 mm

• Weight: Approx. 29.6 kg

Power

• Power Supply: AC 120-240V, 50/60Hz, Internal rechargeable battery

• Power Consumption: Approx. 153W

• Power Consumption (Standby/Low Power Mode): 0.3W

• Power Consumption (Networked Standby): 2.0W (Bluetooth function)

• Auto Standby: Activated after 15 minutes

App Support

• Compatible Apps: Sony | Sound Connect

What's in the Box

• 1 x Sony ULT Tower 9 unit (SRS-ULT900)

• 1 x AC Power Cord

• 1 x Optical Cable

• 1 x Instruction manual / user guide

• 1 x Warranty card

Features and Benefits

ULT Button: Two Bass Modes
Press the ULT button to choose between two powerful sound modes:

• ULT1: Deep Bass – Adds tremendous resonance and depth to lower frequencies

• ULT2: Attack Bass – Delivers pounding energy and stunning dynamics for an energetic listening experience

X-Balanced Speaker Unit
Features an almost rectangular diaphragm with increased surface area (approx. 320 x 320 mm) for clear and deep bass sound. The non-circular diaphragm maximizes speaker area, increases sound pressure for deeper bass, and reduces distortion for greater vocal clarity.

25-Hour Battery Life
Enjoy up to 25 hours of continuous playtime on a full charge, making it ideal for extended parties and events.

360° Multicolor LED Lighting
Multicolor 360° LED lighting automatically synchronizes with the beat of your music, creating the perfect party atmosphere.

Guitar/MIC Input for Karaoke
Connect a microphone for karaoke or a guitar to use the ULT Tower 9 as an amp. Two dedicated inputs (MIC and Guitar/MIC) provide flexibility for performances.

Sound Field Optimization
Analyzes the environment and adjusts the sound to deliver clear, detailed audio even in noisy rooms or outdoor settings.

TV Sound Booster
Connect the ULT Tower 9 to your TV via optical input to dramatically enhance your viewing experience with powerful bass and extended treble.

Party Connect & Stereo Pair
Wirelessly link up to 100 compatible Sony speakers using Party Connect for synchronized sound and lighting across multiple locations. Connect two ULT Tower 9 speakers for a true stereo experience with dedicated left and right channels.

High-Quality Bluetooth Codecs
Supports LDAC and AAC codecs for high-quality wireless audio streaming, ensuring exceptional sound quality.

USB Play & Device Charging
Plug in and play music via USB connectivity, and use the ULT Tower 9 to charge your other devices.

Versatile Placement
Can be positioned standing vertically for flexible placement in any space.

Splashproof Design
The top surface is splashproof, providing some protection against light moisture.