Sony CDX-M20 CD Receiver Package with digital processing tuner. 52 watts x 4 high power. 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. Sony CDX-M20 CD Receiver Package includes two 6-1/2" dual cone speakers with 145 watts peak power.