Sony - STR-DG710 / 6.1-Channel Surround AV Solid state multi-channel receiver

Specifications
Tuning range: FM, medium wave
Output power: 85 watts per channel at 8Ω (stereo)
Surround power: 85W (front), 85W (center), 85W (rear)
Frequency range: 10 Hz to 70 kHz
Total harmonic distortion: 0.09%
Input sensitivity: 500 mV (line)
Signal-to-noise ratio: 96 dB (line)
Output: 500 mV (line), 2 V (Pre-out)
Speaker impedance: 8Ω to 16Ω