7.1 Speakers, 4.1 Speakers, 3.1 Speakers - 125 W - Rear, Powered, Surround System Speaker - Dolby Digital, Dolby Digital EX, Dolby Pro Logic, DTS, DTS-ES, DTS Neo:6, DTS 96/24, THX, Dolby Pro Logic II - Player(s): A/V Receiver - Playable Disk(s): 96/24 Audio - Input/Output: Headphone, Component Video, Composite Video, HDMI, S-Video, Composite Audio - Theater DSP Soundfield

Home Theater Receiver 125 watts x 7,THX Select2(tm) certification,Dolby TrueHD and DTS-HD Master Audio