Sony DAV-HDX275 Bravia 5.1 1000 WattsWireless - Wireless Rear Speaker Ready (WAHT-SA1 sold separately) - Multi-room S-AIR Technology (S-Air Ready) - iPod Cradle (TDM-iP10) for DIGITAL MEDIA PORT included - 1080p Upscaling via HDMI - Digital Cinema Auto Calibration