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Product Details

Upgrade your home theater and LG OLED TV with the LG S90TR 7.1.3-Channel Dolby Atmos Soundbar System. This powerful system delivers true cinematic audio with seven channels, one wireless subwoofer, and three up-firing channels—including a dedicated center up-firing speaker for crystal-clear dialogue. Enjoy immersive surround sound from every direction, with wireless rear speakers and a smart subwoofer that provide deep, dynamic bass. The S90TR features Dolby Atmos®, DTS:X®, and LG’s WOW Orchestra technology, synchronizing your LG TV and soundbar for a seamless, expanded soundstage. With AI Room Calibration, WOWCAST wireless Dolby Atmos, and robust smart platform integration, the S90TR elevates any living room into a world-class audio experience.


Key Features:

  • True 7.1.3-channel surround sound with wireless rear speakers and subwoofer
  • Dolby Atmos® and DTS:X® for breathtaking 3D spatial audio
  • Three up-firing channels—including center—for next-level immersion and dialogue clarity
  • WOW Orchestra synchronizes TV and soundbar for enhanced harmony
  • WOWCAST Built-in with Wireless Dolby Atmos for a clutter-free setup
  • AI Room Calibration for automatic sound optimization to your space
  • Smart Up-Mixer: Converts two-channel audio to surround sound
  • HDMI eARC, 4K, 8K, Dolby Vision, and HDR10 passthrough
  • Voice assistant support: Alexa, Google Assistant, Chromecast, AirPlay 2, Spotify Connect
  • One remote controls both TV and soundbar via the WOW Interface
  • Hi-Res music streaming and game mode with low latency (up to 120Hz passthrough)
  • Sleek black finish matches LG OLED TVs

Included In The Box:

  • LG S90TR 7.1.3-Channel Dolby Atmos Soundbar
  • Wireless subwoofer
  • 2 wireless rear speakers
  • Remote control
  • 2 x AA batteries
  • Wall mount bracket
  • HDMI cable
  • Warranty card
  • Quick start guide

Technical Specifications:

Specification Details
Channel Configuration 7.1.3
Total Power Output 670W RMS
Audio Decoding Dolby Atmos, DTS:X, Dolby TrueHD, Dolby Digital Plus, DTS-HD Master Audio, DTS-HD High-Resolution, DTS Digital Surround, LPCM, PCM
Wireless Rear Speakers Full-range, up-firing, table or wall-mountable
Wireless Subwoofer Bass-reflex, 220W RMS
Wireless Audio Protocols Wi-Fi 4 (802.11n), Bluetooth 5.1 (SBC, AAC), AirPlay 2, Chromecast, Spotify Connect
Inputs 1 x HDMI (Audio/Video), 1 x Optical TOSLINK
Outputs 1 x HDMI eARC
USB Port 1 x USB-A (Audio, Power)
HDR Support HDR10, Dolby Vision, 4K & 8K Passthrough
Sampling Frequencies Up to 192 kHz
Supported File Formats AAC, FLAC, MP3, OGG, WAV, WMA, AAC / AAC+
Voice Assistant Support Google Assistant, Alexa
Mobile App Control Yes (Android & iOS)
Wall Mountable Yes (bracket included)
Dimensions (Soundbar) 49.2 x 2.5 x 5.3 in (125 x 6.3 x 13.5 cm)
Dimensions (Subwoofer) 7.9 x 16 x 15.9 in (20.1 x 40.6 x 40.4 cm)
Dimensions (Satellites) 3.9 x 6.9 x 4.7 in (9.9 x 17.5 x 11.9 cm)
Weight (Soundbar) 12.5 lbs (5.7 kg)
Weight (Subwoofer) 22.1 lbs (10 kg)
Weight (Each Satellite) 5.1 lbs (2.3 kg)
Package Weight 56 lbs
Box Dimensions 52.5 x 22.5 x 10.5 in
Color Black
Warranty 1 Year Limited (Parts & Labor)

Included in the Box