"Let your select Sony HDMI components play in harmony with the simple setup and connectivity of the DAV-DX267W theater system. With wireless rear-surround speakers, setup is a snap. Highly advanced BRAVIA Theater Sync technology allows you to easily control select HDMI devices with one touch on the included remote control. And you'll be enjoying music and movies in no time with automatic digital cinema calibration that optimizes sound from every speaker. For crystal-clear video, the integrated high-performance 5-DVD/CD changer upscales standard 480p DVDs to 1080i resolution (requires compatible television)."