LG LAS355B, 2.1 channels, 120 W, DTS Digital Surround, Dolby Digital, 50 W, 84 dB, 10% LG LAS355B. Audio output channels: 2.1 channels, RMS rated power: 120 W, Audio decoders: DTS Digital Surround, Dolby Digital. Soundbar speaker RMS power: 50 W, Signal-to-Noise Ratio (SNR): 84 dB, Total Harmonic Distortion (THD): 10%. Subwoofer RMS power: 70 W, Subwoofer impedance: 4 Ω, Subwoofer sensitivity: 85 dB. Product colour: Black, Audio formats supported: DTS, FLAC, LPCM, OGG, WAV, LED indicators: Stand-by. Connectivity technology: Wired & Wireless