Sony CDX-M20 CD Receiver with digital processing tuner. Detachable faceplate with LCD and front auxiliary input. MP3/WMA compatible CD player. 1 preamp output with high pass and low pass filter. Satellite connector ready. Memory backup. Plastic drip-shield cover. Conformal-coated circuit board. Sony CDX-M20 is UV-resistant. 7"W x 2"H x 7"D. 52 watts x 4 high power.