Sony ULT TOWER 9AC Party Speaker - Black (SRS-ULT900AC)

Sony ULT TOWER 9AC Party Speaker - Black (SRS-ULT900AC)

Turn any gathering into a concert-like experience with the Sony ULT TOWER 9AC. Designed with powerful ULT POWER SOUND, 360° Party Sound, and synchronized party lighting, this speaker delivers massive bass and room-filling audio. With karaoke and guitar inputs, TV Sound Booster, Party Connect compatibility, and easy mobility via built-in castors and carry handle, it is built for entertainment at home and beyond.

Powerful ULT POWER SOUND

Experience bigger bass and powerful sound pressure with Sony's ULT POWER SOUND. The dedicated ULT button lets you select between two bass-enhancing modes to match the atmosphere of your party.

• ULT1 delivers deeper, lower-frequency bass.
• ULT2 provides powerful, punchy bass for high-energy music.

The combination of a large X-Balanced Speaker Unit and ULT DUCT technology enhances bass extension and sound pressure while maintaining vocal clarity and reducing distortion.

360° Party Sound

Fill every corner of the room with immersive sound. The 360° Party Sound system features:

• 2 front tweeters
• 2 rear tweeters
• 2 mid-range speakers
• 1 large X-Balanced woofer

Four tweeters project sound to both the front and rear, while mid-range speakers enhance vocal performance. The large woofer delivers powerful bass, ensuring everyone enjoys the music wherever they are positioned.

X-Balanced Speaker Unit

The large 320 mm x 320 mm X-Balanced Speaker Unit features an almost square diaphragm with a greater surface area than conventional speaker designs. This helps deliver:

• Clearer and deeper bass
• Higher sound pressure
• Reduced distortion
• Improved vocal clarity

ULT DUCT Technology

The integrated ULT DUCT improves bass extension and helps distribute low frequencies smoothly throughout the listening space, providing a deeper and more impactful audio experience.

Sound Field Optimization

The speaker automatically detects ambient noise and adjusts sound settings accordingly, helping maintain clear audio performance in different environments, including noisy or outdoor settings.

Customizable Audio

Tailor your listening experience with:

• 10-band Custom EQ
• 50 volume steps
• ULT1 and ULT2 sound modes

Party Lighting

Create a festival-like atmosphere with synchronized 360° Party Light effects. The lighting system moves with the music to enhance the overall entertainment experience.

Karaoke and Guitar Inputs

Bring more fun to every gathering with dedicated karaoke and guitar functions.

Features include:

• Microphone input
• Guitar/Microphone input
• Echo Control
• Key Control
• Dual microphone support for duets

The speaker is also compatible with the optional ULTMIC1 wireless karaoke microphone set.

TV Sound Booster

Enhance movies, concerts, sports, and live performances with Sony's TV Sound Booster. Combining your TV audio with the speaker's rear tweeters and X-Balanced woofer creates a more immersive audio-visual experience with deep bass and expanded sound coverage.

Party Connect

Connect up to 100 compatible speakers through Party Connect to synchronize music and lighting across larger spaces. Speaker grouping can be activated directly through the dedicated hardware button without requiring an app.

Portable Design

Despite its powerful output, the ULT TOWER 9AC is designed for easy transport.

• Large built-in castors for smoother movement
• Integrated carry handle for lifting and pulling
• Stable design for easier portability

Splashproof Top Panel

The splashproof top panel helps protect against accidental spills, making it suitable for party environments.

Multipoint Bluetooth Connection

Pair two Bluetooth devices simultaneously and switch automatically between devices when playback begins.

USB Playback and Device Charging

• Play music directly via USB connectivity
• Charge compatible devices through the USB port

Environment and Accessibility

The ULT TOWER 9AC incorporates recycled plastic originally developed by Sony in portions of its body construction. Sony continues its efforts toward reducing environmental impact while providing high-quality audio experiences. The speaker is also designed with accessibility and inclusive usability in mind.

Key Features

• ULT POWER SOUND with ULT1 and ULT2 bass modes
• 360° Party Sound with front and rear tweeters
• Large X-Balanced Speaker Unit
• ULT DUCT bass enhancement
• Sound Field Optimization
• 10-band Custom EQ
• 360° Party Light
• Karaoke and guitar inputs
• Echo and Key Control
• TV Sound Booster
• Party Connect support for up to 100 compatible speakers
• Multipoint Bluetooth connection
• USB music playback and device charging
• Carry handle and built-in castors
• Splashproof top panel

Specifications

Sound

• Speaker Type: Woofer / Mid (L/R) / Tweeter (L/R) / Rear Tweeter (L/R)
• Number of Speakers: 2 Tweeters, 2 Rear Tweeters, 2 Mid-range Speakers, 1 Woofer
• Woofer Size: Approx. 320 mm x 320 mm
• Mid-range Size: Approx. Φ120 mm
• Tweeter Size: Approx. Φ50 mm
• Rear Tweeter Size: Approx. Φ40 mm
• X-Balanced Speaker Unit: Woofer Unit
• Sound Modes: ULT1, ULT2
• Custom EQ: 10 Band
• Volume Steps: 50
• Sound Functions: TV Sound Booster, Sound Field Optimization

Bluetooth

• Bluetooth Version: 5.3
• 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 Function: Stereo Pair, Party Connect

Connectivity

• Stereo Mini Jack (Input)
• USB Type-A
• Optical Digital Input
• Microphone Input (Φ6.3 mm)
• Guitar/Microphone Input (Φ6.3 mm)

App Compatibility

• Sony Sound Connect

General

• Power Supply: AC 120-240 V, 50/60 Hz
• USB Charging Port: Yes
• Power Consumption: Approx. 148 W
• Water Protection: Splashproof (Top Surface)

Dimensions & Weight

• Dimensions (W x H x D): Approx. 410 x 910 x 456 mm
• Weight: Approx. 28.5 kg

Power Consumption

• Off Mode: 0.3 W
• Standby Mode / Low Power Mode: Not Available

What's in the Box

• AC Power Cord
• Optical Cable