Onkyo TX-NR646 7.2-Channel Network A/V Home Theater Receiver + (1) Polk Audio CS10 Center Channel Loudspeaker This Package Includes (1) Onkyo TX-NR646 AV Receiver + (1) Polk Audio CS10 Center Channel Loudspeaker built-in Wi-Fi for listening to music from a networked PC, free Internet radio, and music services HDMI 2.0 audio/video switching: 8 in, 2 out (includes front-panel input) 100 watts per channel into 8 ohms (20-20,000 Hz) at .08% THD, with 2 channels driven Apple AirPlay for streaming music from an iPhone, iPad, iPod touch, or computer running iTunes