Av network receiver audio receiver loudspeaker configuration 51 output power per channel 130 watt total output power 650 watt output impedance 6 ohm analogue inputs 3 optical inputs 1 number of coaxial inputs 1 number of hdmi inputs 5 number of hdmi outputs 1 composite video inputs 3 preamp output subwoofer x1 front connections usb microphone portable input aux in headphone jack other connections ethernet dolby formats dolby truehd dolby prologic