Yamaha RX-A1050 7.2-Channel Network AV Receiver + (1) Boston Acoustics ASW250 250-Watt 10-Inch Powered Subwoofer This package includes (1) Yamaha RX-A1050 AV Receiver + (1) Boston Acoustics ASW250 10-Inch Powered Subwoofer 110 watts per channel into 8 ohms (20-20,000 Hz) at 0.06% THD, with 2 channels driven built-in Wi-Fi for listening to music from a networked PC, free Internet radio, and music services powered stereo audio outputs for 2nd room (allows 5.2-channel sound in main room while in use) Dolby and DTS surround sound decoding, including Dolby Atmos