Tuning range: FM, MW
Power Output: 80W into 8Ω (stereo)80W (fr), 80W (cen), 80W (sur)
Frequency Response: 5Hz to 100kHz
Distortion: 0.08%
Damping Factor: 60
Speaker Impedance: 6 to 16Ω
Input Sensitivity: 200mV (line)
Signal to Noise Ratio: 100dB (line)
Line Output: 200mV (line)
Digital Connections: coaxial, optical
Video Connections: HDMI, component, composite
Dimensions: 435 x 151.5 x 329 mm
Weight: 8.8 kg

Onkyo TX-SR507 Instruction Manual
www.manualslib.com/manual/360741/Onkyo-Tx-Sr507.html