ONKYO TX-SR308. Audio output channels: 5.1, Total Harmonic Distortion (THD): 0.08 %, Signal-to-Noise Ratio (SNR): 100 dB. AM band range: 522 - 1611 kHz, FM band range: 87.5 - 108 MHz. Power consumption (typical): 310 W. Weight: 8 kg. Package weight: 10.5 kg