Av network receiver audio receiver home cinema receiver loudspeaker configuration 51 output power per channel 75 watt total output power 375 watt output impedance 6 ohm speaker terminals compression clamp screw clamp hdmi specification hdmi 20 playback usb massenspeicher analogue inputs 2 optical inputs 1 number of coaxial inputs 1 number of hdmi inputs 4 number of hdmi outputs 1 composite video inputs 2 composite video output 1 preamp output sub