Dolby Atmos® and DTS:X™ support MusicCast for audio enjoyment in every room 7-channel powerful surround sound --- 90 W per channel (8 ohms, 20 Hz-20 kHz, 0.06% THD, 2-ch driven) --- 150 W per channel (4 ohms, 1 kHz, 0.9% THD, 1-ch driven) ...