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The LG SC9S is a feature-rich 3.1.3-channel soundbar designed for immersive home theater. With a 400 W wireless subwoofer, triple up-firing height channels, Dolby Atmos & DTS:X support, HDMI 2.1 with 4K/120Hz gaming passthrough, and seamless integration with LG OLED TVs (via the included WOW Bracket), it blends modern connectivity with strong versatility. Ideal for both movies and gaming, though side-firing surround depth is limited without optional rear speakers.
Channels: 3.1.3 (three front/up-firing channels + centre + one subwoofer)
Total Power Output: 400 W (soundbar + wireless subwoofer)
Audio Format Support: Dolby Atmos®, DTS:X®, IMAX Enhanced, High-Resolution Audio up to 24bit/96kHz
Connectivity: HDMI In/Out (4K pass-through, HDCP 2.3), eARC, Optical, USB, Wi-Fi (2.4G/5G), Bluetooth 5.0
Smart Features & Streaming: Google Assistant/Alexa compatible, Apple AirPlay 2, Chromecast built-in, Spotify/Tidal Connect
Gaming Features: VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode), HDMI 2.1 support for 4K@120Hz pass-through
Room Calibration & Sound Modes: AI Room Calibration Pro, Smart Up-Mixer, AI Sound Pro, Clear Voice, Bass Blast+ etc.
Included Mounting Bracket: “WOW Bracket” tailored for LG OLED “C” Series TVs (55″/65″/77″) for clean setup.
Dimensions & Weight (approx): Soundbar ~ 38.4″ × 2.5″ × 4.9″, Subwoofer ~ 8.7″ × 15.4″ × 12.3″, Soundbar weight ~9.1 lbs, Subwoofer ~17.2 lbs.
Techradar
Reviewed on 13 Nov, 2025
Until that happens, I’ll likely be watching with Wow Orchestra off, and finding satisfaction with the SC9S’s already substantial wow factor.
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