ONKYO CS-535. Signal-to-Noise Ratio (SNR): 96 dB, Output power: 20 W + 20 W, Total Harmonic Distortion (THD): 0.4 %. Speakers: 22 W + 22W, 20 W + 20 W, 14 W + 14 W. FM band range: 87.5 - 108 MHz, AM band range: 522 - 1611 kHz. Display: LCD. Volume control: Rotary