JVC 350 WATT 4.1 Channel Surround System With Subwoofer & Ipod Dock DVD CD Player HDMI 1080P Up Conversion Built-in Decoders:DTS Decoder,Dolby Digital,Dolby Pro Logic II, 2 Surround Speakers & Subwoofer Dock Your Ipod, Media Format: DVD-R, DVD+RW, DVD-RW, DVD-R DL, DVD-Audio, Ipod Dock Video D/A Converter: 12bit/108MHz,Output Resolution:720p/1080p, 1080P Up Comversion Active Hyper-Bass PRO,Digital Sound Processor (DSP, HDMI)