7.1ch Soundbar with Wi-Fi/Bluetooth® technology
Model No: SNY-HTST9
7.1ch Soundbar with Wi-Fi/Bluetooth® technology
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Model No: AudioEquipment-1499-2-Y
Model No: AudioEquipment-1499-3-Y
Model No: AudioEquipment-1499-5-Y
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The Way The Artists Truly Intended

Enjoy the subtlest nuances of studio-quality sound in higher than CD quality with High-Resolution Audio. Passion for music unites every component from signal to speaker so it feels like the artist is performing right in front of you.

Feel the action all around you

7.1 ch S-Force PRO Front Surround technology

Our virtual surround sound combines Digital Signal Processing and Wave-front technology to emulate a natural, three-dimensional sound field, all from a single sound bar and subwoofer.

Watch the video

See the HT-ST9 up close and explore how 7.1 channel surround sound works in this High-Resolution Audio-capable sound bar.

Dolby® TrueHD

Enjoy clear, high-fidelity sound with the Dolby® TrueHD lossless compression format.


Bring movies and music to life in dynamic surround sound thanks to the DTS-HD format.

Get connected

It's easy to expand your home theater setup. With three HDMI inputs, one HDMI ARC output, a USB input, and optical digital and analog connections, there's space for all your equipment.

4K pass-through

Maintain 4K quality from source to screen - the 4K passthrough feature allows data to pass through the sound bar without compromising image quality, and is HDCP 2.2 compatible.

What is High-Resolution Audio?

High-Resolution Audio refers to a collection of digital processes allowing the encoding and playback of music using higher sampling rates than those used in CDs.

S-Master HX digital amplifier

Our S-Master HX amplifier is digital, eliminating analog components to reduce noise levels in the feedback stage for ultimate audio clarity.

Digital Sound Enhancement Engine HX

Even music from online streaming services can be upscaled by DSEEHX to produce rich sound closer to High-Resolution Audio.


From game mode to movie or music mode, ClearAudio+ automatically adjusts sound settings to suit whatever you're watching or listening to.

Engineered for exceptional sound

From speaker construction to fine-tuned audio technologies, every element of the HT-ST9 has been engineered to deliver the highest possible sound quality.

Precise, full-range sound

The woofer and tweeter are housed within a single speaker unit, utilizing separate drivers to reproduce a full range of sound that perfectly supports High-Resolution Audio playback.

Clear, natural highs

Super tweeters ensure high-frequency notes are reproduced with outstanding natural clarity and detail, so you'll enjoy pristine highs across music and dialogue.

Rigid carbon fiber diaphragm

A sturdy carbon fiber diaphragm responds quickly to mid and high frequencies with less distortion, improving sound reproduction across the entire frequency range.

Magnetic fluid technology

Magnetic fluid technology replaces conventional speaker dampers for better signal transfer, reducing distortion for high-quality sound from a smaller speaker.

Connect with your music

It's easy to stream your favorite music in the detail and clarity it deserves, thanks to a combination of wireless technologies and high-quality audio codecs.

High quality wireless audio streaming

Take your music streaming to the next level. Developed by Sony, the LDAC codec supports up to three times greater bit rate than typical Bluetooth streaming. Combining efficient coding with a 96 kHz sampling rate, LDAC captures more detail for above CD quality listening.

Wireless personal listening

Enjoy wireless sound without disturbing others


  • 7.1 channel system for immersive surround sound
  • Surround yourself in rich, detailed 7.1 channel surround sound. Three coaxial speakers - two of which feature super tweeters - work to reproduce precise mid-range to high frequency audio, designed for detailed High-Resolution Audio playback. Our wave-front synthesis technology uses the full speaker array to accurately position sound in the room, delivering immersive audio with complete precision.
  • Cinematic S-Force PRO Front Surround
  • An immersive virtual surround sound experience. S-Force PRO Front Surround mimics the way the brain correlates sound sources to create proper volume, time lag, and sound wave spectrum - using only left and right speaker channels. By naturally emulating three-dimensional sound fields, you'll be able to enjoy rich, high-fidelity audio across a wider listening area.
  • Dolby(R) TrueHD for sound as the director intended
  • Enjoy peerless audio quality with Dolby TrueHD, which delivers lossless sound across movies and music. By reproducing sound identical to original studio masters, it offers unparalleled audio fidelity for Blu-ray Discs and downloaded content.
  • DTS-HD for studio master precision
  • Enjoy precise, detailed home audio. With DTS-HD Master Audio, you'll enjoy the original, uncompressed soundtracks on your favorite Blu-ray Discs and streamed movies - just as the director intended. DTS-HD High-Resolution Audio also offers intensely detailed reproduction for musical performances, allowing every note to shine with near studio-like quality.
  • Multiple HDMI ports for simple connectivity
  • With three HDMI inputs and one HDMI output, you can connect an Internet TV box, Blu-ray Disc player, games console, and more. You can enjoy all your Home Theater in one place, without the need for a separate receiver.
  • USB port for High-Resolution Audio playback
  • Enjoy clear, detailed High-Resolution Audio playback. A USB port provides a stable connection for lossless audio, including DSD and 24 bit/192 kHz high bit rate audio codecs. Simply connect your USB drive or portable music device to enjoy optimum High-Resolution Audio playback. You can also play a variety of additional codes including MP3, AAC, and WMA.
  • 4K pass through for 4K content
  • Maintain 4K quality from source to screen. The 4K pass-through feature allows 4K data to pass through' and be displayed on a 4K TV or projector, without compromising image quality. Giving you the pure 4K experience makes this sound bar the perfect partner for 4K-capable TVs and players, and a solid cornerstone for your home entertainment system for the future.
  • High-Resolution Audio for uncompromising sound
  • Experience digital music to the fullest with High-Resolution Audio. By capturing music at a higher rate than CD, increasing both audio samples per second and the bit-rate accuracy of each sample, High-Resolution Audio offers an uncompromised rendition of an artists' music. Savor every breath and subtle movement for a truly emotional experience.
  • S-Master HX digital amplifier: utmost sonic purity
  • Enjoy the best High-Resolution Audio experience with the S-Master HX digital amplifier. Using a simplified, fully digital signal path and ultra-high frequency noise shaping, S-Master HX reproduces the subtleties and wide frequency range that music and movies demand. This includes the latest High-Resolution Audio formats, so you can enjoy music just as the artist intended.
  • DSEE HX restores your music files
  • Go beyond CD quality. DSEE HX builds on our proprietary DSEE technology, upscaling compressed audio files to a level that's closer to High-Resolution Audio. By restoring the subtleties of the original recording that are lost during the compression process, DSEE HX delivers a rich, studio-quality audio experience for all your music.
  • ClearAudio+ enriches your music
  • Unique to Sony, ClearAudio+ automatically adjusts sound settings for an enriching listening experience. By bringing together expertise in digital signal processing technologies, ClearAudio+ is able to optimize audio to deliver a consistently clear, high-quality sound, whether you're gaming or enjoying music and movies.
  • Coaxial speakers for full-range sound
  • Our newly-developed coaxial speakers allow exceptional audio performance from a slim, compact sound bar design. By combining a woofer and tweeter in a single two-way speaker unit, a wider frequency range can be reproduced. This ensures no detail is lost, taking your listening closer to the live performance.
  • Super tweeters for soaring highs
  • Experience pristine highs, whether it's music or dialog. Mounting Wide Dispersion Super Tweeters on the front of each speaker creates a wide sound field that maintains its quality across the entire room. High-frequency notes are reproduced in the clarity and detail of High-Resolution Audio, so you'll be able to enjoy realistic and engaging sound wherever you sit.
  • Carbon Fiber diaphragm for rigid speaker construction
  • A carbon fiber diaphragm ensures each speaker can repro
MAIN UNIT SIZE - BODY ONLY (W X H X D) 44.49 x 3.46 x 5.24 in
SUBWOOFER SIZE (W X H X D) 9.80 x 15.87 x 16.77 in
A / V Sync YES
Amplifier Channels 7.1ch
S-Force PRO Front Surround S-Force PRO Front Surround
LPCM (2CH / 5.1CH / 7.1CH) thru HDMI YES
Power Output (Total) 800 W
Subwoofer Type Wireless subwoofer
Speaker System Passive radiator
Subwoofer Driver 7.09 in cone
Input and Output Terminals Analog Audio In (Inc TV CEC), Bluetooth Reception, Bluetooth Transmission, Ethernet, USB-A
Analog Audio Inputs 1
HDMI Inputs 3
Optical Audio Inputs 1
Dolby TrueHD/Dolby Digital+ YES / YES
USB File System (FAT32, NTFS) Yes (FAT32, NTFS, exFAT)
LPCM LPCM - 2 ch, LPCM - 5.1 ch, LPCM - 7.1 ch
PCM 96k/24 bit PCM
DTS HD Master Audio YES
Dolby Dolby® Digital, Dolby® Digital+, Dolby® Dual Mono, Dolby® TrueHD
Sound Mode ClearAudio+, Movie, Music, Soccer, Standard
3D-capable HDMI Pass Thru YES
Deep Color YES
Wi-Fi® Built in Yes (2.4 GHz/5 GHz) 11a/b/g/n
Power Consumption BAR: 60W, SW: 30W
Remote Commander RMT-AH111U
_sd_cell_row"> Power Consumption BAR: 60W, SW: 30W Remote Commander RMT-AH111U

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