It is an unique home theater package that supports 3D pass-through with a subwoofer-integrated and an extremely slim front speaker that fits in front of almost any TV. It supports 3D pass-through over HDMI (requires latest firmware). The UniVolume keeps volume during TV programs and commercials at the same level. HDMI CEC functionality with built-in FM tuner, iPod compatibility via optional Yamaha Universal Dock YDS-11. Bluetooth compatibility with Yamaha Bluetooth Wireless Audio Receiver (YBA-10) and compressed Music Enhancer and four surround modes.Input 2 : HDMI Ver. 1.4 x 1, Digital In Jack x 1, Analog Input Jack x 1, iPod Dock x 1, Antenna x 1. Output 2: HDMI Ver. 1.4 x 1 and Subwoofer x 1.what's in the box: Yamaha YHT-S400 Home Theater Package , Speaker Cable (9.9 feet or 3 m), Remote Control, 2 x Batteries, Indoor FM Antenna, 2 x Speaker Stands, Mounting Template, 2 x Screws for Stands, 4 x Non-Skid Pads, Quick Reference Guide, Owner's Manual (CD-ROM) and 2-Year Parts and Labor Warranty.