SKU: AU816318

S77S 3.1.3 Channel 400W Dolby Atmos Soundbar

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173,740 PTS
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1,200 PTS or $8.00
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Product details


The LG S77S 3.1.3 Channel 400W Dolby Atmos Soundbar is designed to enhance your entertainment setup with its powerful sound and immersive capabilities. Whether you're watching a blockbuster movie or listening to your favorite music, this soundbar brings a new level of audio depth and clarity to your home theater.

Immersive 3.1.3 channel audio

Powerful 400W sound output

Triple up-firing channels for expansive sound

Enhanced audio experience with Dolby Atmos and DTS:X support


  • Next Level Sound - 3.1.3 Channel Audio, 400W of power, and a subwoofer – LG Sound Bar S77S is the complete package delivering an enhanced audio experience.
  • Triple Up-firing Channels - The Sound Bar features Triple Up-firing Channels which help deliver a nuanced experience with superb voice clarity and a wide soundstage. Enjoy an incredibly immersive sound experience at home.
  • Wireless subwoofer makes the bass roar - Feel strong, deep bass in your favourite songs and movies. The wireless subwoofer integrates a large woofer designed to hit low notes with ease, for amazing volume, sound pressure and bass quality, even in large rooms.
  • Make setup a snap with 4K Pass-through- Streamline your setup and enjoy synchronised high-resolution sound and pictures with 4K Pass-through. Simply connect your games console, streamer box or Blu-Ray Player to your 4K TV through your LG Sound Bar over HDMI*. Dolby Atmos® enabled device and compatible source content required.
  • Power up with dynamic gaming sound - Get the most from the latest 4K games. LG Sound Bar supports VRR (Variable Refresh Rate) and ALLM (Auto Low Latency Mode), so you can enjoy smooth, fast gameplay with reduced image tearing from a connected console and TV *Sound Bar, console and compatible TV to be connected via HDMI. VRR and ALLM support required for console and TV. HDMI pass-through supports up to 4K @ 120Hz YCbCR 4:2:0 at 8-bits.
  • Triple Level Spatial Sound - Experience a more nuanced, lifelike sound thanks to Triple Level Spatial Sound. By using a HRTF (Head Related Transfer Function) based 3D engine, a virtual middle layer of sound is created*, adding more complexity to the surround sound that takes your listening experience to a whole new level.*Triple Level Spatial Sound’ is available in CINEMA / AI Sound Pro Mode. The mid-layer is created using Sound Bar’s speaker channel. The sound of the front and front-top speakers are synthesised to build a sound field. If there is no rear speaker, the rear field cannot be created.
  • Upgrade your Sound with LG Smart Up-Mixer - Experience richer sound with LG Smart Up-Mixer, which converts 2-channel audio into multi-channel surround sound*. *Feature not available on Music Mode.
  • Sound engineered for what you enjoy - With AI Sound Pro, LG Sound Bar's intelligent algorithm analyses your content to help deliver enhanced performance. Enjoy great sound, whether you’re watching movies, catching up on the news, or listening to music.
  • Connect conveniently - Easily connect to the device you choose. For gaming, connect with HDMI for VRR/ALLM support*. For music, connect with Bluetooth or Optical. *Sound Bar, console and compatible TV to be connected via HDMI. VRR and ALLM support required for console and TV.


  • Subwoofer Dimensions (cm) 19.5 W x 36.1 H x 28.0 D
  • Product Width (cm) 89
  • Product depth (cm) 12.6
  • Product height (cm) 6.15

Model number

  • S77S
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