LG USC9S 3.1.3 Soundbar with Wireless Subwoofer, Dolby Atmos, 4K Pass-Through

Upgrade your home cinema experience with the LG USC9S 3.1.3 wireless soundbar, engineered to deliver immersive, theatre-style audio for movies, sports and gaming. Designed for dedicated home cinema setups, this system transforms your living room into a cinematic space where sound moves dynamically around you, creating a powerful sense of depth and realism.

Featuring a 3.1.3 channel layout with 9 high-performance speakers, including upward-firing drivers, the system produces a true three-dimensional sound field. Dolby Atmos and DTS:X technologies ensure audio is not limited to left and right channels, but flows overhead and throughout the room, enhancing every scene with cinematic precision and scale.

With 400W of total output power, the LG USC9S delivers strong, balanced performance across dialogue, effects and bass. The wireless subwoofer adds deep, controlled low-end impact, while Meridian Sound Technology enhances clarity and detail, ensuring that every element of your home cinema content is delivered with precision and depth.

Triple AI Sound Optimiser continuously analyses your content and room environment to adjust audio output in real time. Whether you're watching blockbuster films, live sports or playing console games, the system automatically refines sound to maintain clarity, balance and immersion without manual setup.

Built for modern home cinema environments, this soundbar supports 4K pass-through with HDR and Dolby Vision compatibility, ensuring seamless integration with TVs, streaming devices and gaming consoles. HDMI eARC, optical input, Bluetooth and WiFi connectivity provide flexible setup options for a clean, cable-efficient installation.

Streaming is effortless with built-in Chromecast, Apple AirPlay, Spotify Connect and Tidal Connect, allowing direct playback from mobile devices. Integration with LG TV systems via WOW Orchestra and TV Sound Mode Share further enhances the cinematic experience by combining TV speakers with the soundbar for a wider, more powerful soundstage.

Ideal for home cinema enthusiasts, gamers and entertainment-focused households, the LG USC9S delivers premium surround sound performance with intelligent audio optimisation and seamless connectivity in a streamlined, modern design.

Features

• 3.1.3 channel home cinema sound system with 9 speakers for immersive cinematic audio
• Dolby Atmos and DTS:X support for true 3D surround sound with overhead effects
• Wireless subwoofer delivers deep, impactful bass for movies, gaming and sport
• 400W total power output for powerful, room-filling home cinema performance
• Meridian Sound Technology for enhanced clarity, precision and high-resolution audio tuning
• Triple AI Sound Optimiser automatically adjusts sound based on content and room environment
• WOW Orchestra and TV Sound Mode Share for enhanced LG TV integration and wider soundstage
• Built-in Chromecast, Apple AirPlay, Spotify Connect and Tidal Connect for seamless streaming
• HDMI eARC and Optical connectivity for easy home cinema system setup
• Multiple sound modes including Cinema, Game, Music and Clear Voice Pro for tailored audio

Specifications

• Model: LG USC9S
• System Type: 3.1.3 channel soundbar with wireless subwoofer
• Total Output Power: 400W
• Number of Speakers: 9
• Speaker Configuration: Soundbar + wireless subwoofer
• Channels: 3.1.3
• Audio Technologies: Dolby Atmos, Dolby TrueHD, Dolby Digital Plus, DTS:X, DTS-HD Master Audio, DTS Digital Surround
• Sound Enhancement: Meridian Technology, AI Sound Pro, Triple AI Sound Optimiser
• High-Resolution Audio Support: Yes
• Video Pass-Through: 4K HDR, Dolby Vision support
• Connectivity: HDMI eARC, Optical input, USB, Bluetooth 5.0, WiFi
• Streaming Support: Chromecast built-in, Apple AirPlay, Spotify Connect, Tidal Connect
• Voice Assistant Support: Amazon Alexa and Google Assistant compatible
• Soundbar Power Output: 180W
• Subwoofer Power Output: 220W
• Soundbar Dimensions: 63 x 975 x 125 mm
• Subwoofer Dimensions: 390 x 221 x 313 mm
• Soundbar Weight: 4.1 kg
• Subwoofer Weight: 7.8 kg
• Power Consumption (On): 65W
• Standby Power: 0.5W
• Colour: Black