Very nice sounding and looking High End amplifier from Yamaha with the origional remote and manual. Looks almost like new and build to last. High end MM/MC phono connection Very powerful and clean sound. Look at the reviews on the internet. Number of channels 2 Output Power (8 Ohm) 110 W Frequency Response 10 - 50000 Hz Signal/noise ration 110 dB Total harmonic distortion 0,008 % Rated output (line) 150 mV Input Sensitivity (line) 150 mV Input Impedance (line) 47 kOhm Input Sensitivity (MM) 2,5 mV Input Impedance (MM) 47 kOhm Input Sensitivity (MC) 0,16 mV Input Impedance (MC) 220 Ohm Treble control ±10dB at 20kHz Bass control ±10dB at 20Hz Power consumption 220 W Dimensions (WxHxD mm) 435 x 151 x 396 mm / 17-1/8" x 6.0" x 15-1/2" Weight (kg) 14.6 kg / 23 lbs