Sony HT-A9 Home Theater System

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Sony HT-A9 Home Theater System

(Images source: Electronics.Sony official website)



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Features and Specifications


Amplifier TypeDigital Amplifier, S-Master HX
Amplifier Channels12ch
Power Output (Total)504W


Input and Output TerminalsUSB typeA(FW Update only), Ethernet, S-Center Out
IEEE802.11 versionIEEE 802.11 a/b/g/n/ac


Number of Input/Output1 / 1 (eARC/ARC)
Dolby Vision™ CompatibleYes
HLG (hybrid log gamma)Yes

Audio Formats

HDMI inputDolby Digital, Dolby Digital plus, Dolby TrueHD, Dolby Atmos, Dolby Dual mono, DTS, DTS HD High Resolution Audio, DTS HD Master Audio, DTS ES, DTS 96/24, DTS:X, LPCM
HDMI eARCDolby Digital, Dolby Digital plus, Dolby TrueHD, Dolby Atmos, Dolby Dual mono, DTS, DTS HD High Resolution Audio, DTS HD Master Audio, DTS ES, DTS 96/24, DTS:X, LPCM
Bluetooth(Receiver)AAC, SBC, LDAC
Bluetooth(Transmitter)SBC, LDAC
Sony HT-A9 Home Theater System

Sound Function

Sound ModeAuto Sound, Cinema, Music
Sound EffectNight Mode, Voice Mode, Immersive Audio Enhancement
Virtual Surround Technology360 Spatial Sound Mapping, Dolby Surround, Nural:X

Speaker Layout

Speaker Structure4.0.4ch

Network Function

Network FunctionChromecast built-in, Spotify Connect, Music Service Button, Google Home, Works with Google Assistant


Power ConsumptionControl Box 15W / Speaker 22W

Features for PlayStation®5

Features for PlayStation®5AUTO TONE HDR MAPPING compatible (Pass-through)* AUTO GENRE PICTURE MODE compatible (Pass-through)* *Requires firmware update released Spring 2022
Sony HT-A9 Home Theater System

A new frontier of surround sound

Immerse yourself in a multi-dimensional audio experience with the Sony HT-A9 Home Theater System. Unique 360 Spatial Sound Mapping technology calibrates sound to your room for an environment that seems to expand beyond the walls.

360 Spatial Sound that adapts to you in our environment 

Our revolutionary 360 Spatial Sound Mapping technology creates up to twelve phantom speakers from just four real speakers.

Sony HT-A9 Home Theater System

Flexible layout for any situation

Reduce clutter and enjoy a simple setup without a need for extra cables. Sony HT-A9 Home Theater System speakers wirelessly connect to the control box, allowing you to place them anywhere in the room. Sound Field Optimization allows you to have the speakers at different heights and distances and will measure the position of each speaker to create the best sound for your room.

Connect wirelessly

Place the control box near the TV and link up via HDMI. The four speakers connect wirelessly to the control box so there’s no cables across your living space.

360 Spatial Sound experience, like you are in the scene

Surrounded on all sides by multiple phantom speakers within an optimized sound field, you’ll hear every flap of wing and gust of wind with incredible intensity. It’s like you and your living room are inside the movie.

Innovative speaker design

Our speakers are designed with leading-edge technologies to deliver the supreme sound quality and wide directivity required for 360 Spatial Sound Mapping.

Innovative speaker design

Technology inside

1 – Up-firing speaker (X-Balanced Speaker Unit)

2 – Soft Dome Type Tweeter

3 – Wide Directivity Woofer (X-Balanced Speaker Unit)

4 – Dual microphones

X-Balanced Speaker Unit

The unique rectangular shape of these speakers maximizes the diaphragm area for richer bass. It also reduces driver excursion while maintaining sound pressure, resulting in less distortion and greater vocal clarity.

Movies and games feel so real

Support for 8K2, 4K/1203 passthrough, and Dolby Vision7 brings vivid visuals and quality sound to shows, movies, and fast paced video game play.

X-Balanced Speaker Unit

Enjoy an immersive gaming and movie experience

Enjoy immersive gaming and movie watching with optimized picture settings by Auto HDR Tone Mapping and Auto Genre Picture Mode when connecting BRAVIA XRTM TVs and PlayStaion®512,13 through this product with firmware update released Spring 2022.

Immerse yourself in supreme music quality

Enjoy music the way the artists truly intended with High-Resolution Audio for crystal clear precision. Or discover a new way of listening with 360 Reality Audio1 for a truly immersive live concert or studio session experience. With the HT-A9 Home Theater System, your music comes to life like never before.

Real-time restoration of all your compressed files

Using Edge-AI (Artificial Intelligence), DSEE Extreme™ (Digital Sound Enhancement Engine) upscales compressed digital music files in real time. Dynamically recognising instrumentation, musical genres, and individual elements of each song, such as vocals or interludes, it restores the high-range sound lost in compression for a richer, more complete listening experience.

Hear extra deep bass with an optional subwoofer

Adding an optional subwoofer to your system to handle low frequencies allows the system to reproduce sounds with greater impact and power than before. Two models are available, designed to bring out deeper bass, more voice clarity and extra fidelity in everything you listen to. 

Perfect with Sony TVs

Paired with BRAVIATM TVs, the HT-A9 brings you an immersive audio-visual experience with our best picture and sound quality. It’s the perfect soundbar for BRAVIA.

Perfect with Sony TVs

Even more immersion with Acoustic Center sync 

When connected with the supplied cable to a BRAVIA TVs, the TV speaker plays the center channel role in your Home Theater System and part of the 360 Spatial Sound Mapping setup.4 This enables sound to precisely match what’s on the screen for a truly immersive experience.

Sound perfectly matches action

With Acoustic Center Sync, you’ll hear dialogue from exactly where the character is standing in the scene. Action and sound are precisely aligned so your viewing becomes much more immersive.

Sound Field Optimization 

Activate Sound Field Optimization any time by performing Easy Setup from the home menu on the TV screen. The HT-A9 Home Theater System intelligently measures the distance between speakers and ceiling for smart and easy set up.

Effortless control with BRAVIA TVs

Everything links up perfectly when connected to the new range of BRAVIA XR™ TVs. Control sound settings and volume using only the TV remote and easily check the status of the audio system while watching favorite programs. With an integrated UI, Home Theater System settings automatically appear on the BRAVIA TVs Quick Setting menu.

Omnidirectional Block Design

The HT-A9 is one of our latest home sound systems, designed using the Omnidirectional Block concept. The cylindrical shape represents a single solid block providing 360 spatial sound. It fits perfectly against the wall with a flat rear surface. The light pearl grey color blends well with walls, shelves and other interior elements.

Enjoy movies like never before with 360 Spatial Sound

A clever algorithm adds overhead, all-encompassing sound to conventional surround soundtracks and even stereo audio, converting everything you listen to into immersive 360 Spatial Sound experiences. Just press the Immersive AE button on the remote to activate.

Experience 360 Spatial Sound Mapping

Want to try out our 360 Spatial Sound Mapping video on your favorite devices? Just slip on your headphones and watch this video to experience immersive sound.

Experience 360 Spatial Sound Mapping

Voice control

Connect to your home’s other devices with Google Assistant or Amazon Alexa.

Experience 360 Spatial Sound Mapping

Set up in seconds

The HT-A9 is almost ready to go straight out of the box. Simply plug it in, connect to your TV using HDMI and power on. With LAN, HDMI IN and HDMI OUT (eARC), you’re all set to enjoy a new spatial surround sound experience.

Easy Listening

It’s never been easier to listen to your favorite tracks. HT-A9 supports audio streaming via Bluetooth, Wi-Fi, Chromecast built-in, Spotify Connect, and Apple AirPlay.

Easy Listening
Easy Listening

Besides this, it has the features such as:

  • 360 Spatial Sound Mapping for a whole new surround experience with Dolby Atmos® and DTS:X®
  • Flexible layout with wireless connectivity
  • Hi-Res Audio capable X-Balanced speaker units
  • Immersive Audio Enhancement converts regular audio to near 7.1.4 Ch
  • Vivid visuals and fast paced game play with 8K^2 and 4K/120^3 passthrough
  • Stream your way with Bluetooth, Wi-Fi, Chromecast built-in, Spotify Connect, and Apple AirPlay 
  • Customize your setup with two subwoofer choices
  • Pairs with BRAVIA for easy access to home theater system controls
  • Control content with your voice using Google Assistant and Amazon Alexa
  • Premium audio made easy with onscreen user interface for sound adjustments


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