Powerful 7.1 AVR-1907,DENON Tuner Amplifier, enjoy great surround sound and powerful bass which can fill any room or hall of any size. it's very powerful and neat. power 7x85W/8Ohm, 32-bit processor, Dolby Digital EX, Dolby Pro Logic IIx, DTS-ES, DTS 96/24 and DTS Neo:6 formats, HDMI inputs / outputs, audio and component, tuner 56 presets