Pioneer PD-M426A. Signal-to-Noise Ratio (SNR): 98 dB, Total Harmonic Distortion (THD): 0.005 %, Frequency response: 2 - 20000 Hz. Volume control: Rotary. Power consumption (typical): 12 W, Power requirements: 220 - 240V, 50 - 60Hz. Weight: 3.7 kg, Depth: 294 mm, Height: 105 mm. Colour of product: Black