LG SP2, 2.1 channels, 100 W, Dolby Digital, 70 W, 30 W, 80 dB LG SP2. Audio output channels: 2.1 channels, RMS rated power: 100 W, Audio decoders: Dolby Digital. Soundbar speaker RMS power: 70 W. Subwoofer RMS power: 30 W, Subwoofer sensitivity: 80 dB, Subwoofer location: Built-in. Product color: Gray, Color name: Dark Grey, Audio formats supported: AAC, AAC+, FLAC, LPCM, MP3, OGG, WAV, WMA. Connectivity technology: Wired & Wireless