Harman/Kardon HD 980. Audio D/A Converter (DAC): Wolfson WM8740, Frequency range: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 110 dB. Media types supported: CD-DA, CD-R/RW, MP3. Battery type: AA, Power consumption (typical): 20 W, Power requirements: AC 220-230 V, 50/60 Hz. Weight: 3800 g, Dimensions (WxDxH): 440 x 332 x 63 mm. Colour of product: Black