Audio receiver loudspeaker configuration 52 output power per channel 145 watt total output power 5 x 145 watt output impedance 6 ohm speaker terminals banana connector screw clamp playback formats mp3 wav wma aac analogue inputs 3 analog audio output 1 optical inputs 2 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 subwoofer x2 front connections microp