LG S20A. Audio output channels: 2.0 channels, RMS rated power: 50 W, Audio decoders: DTS Digital Surround, Dolby Atmos, Dolby Digital. Soundbar speaker RMS power: 50 W, Tweeter impedance: 6 Ω, Tweeter diameter: 1.6 cm. Product colour: Black. Connectivity technology: Wired & Wireless, Bluetooth codec: SBC / AAC. Power consumption (typical): 15 W