Panasonic CQ-C700U 50Wx4 iPod-Ready Multi-Format Car Audio Receiver CD receiver with built-in MOSFET amplifier that provides 18 Watts of RMS power (50 Watts at peak) for 4 channels Plays CDs, CD-Rs and CD-RWs, including discs loaded with unprotected MP3, WMA, and AAC files Compatible with optional Panasonic Bluetooth receiver, iPod adapter, satellite radio, and CD changer Motorized, fold-down, detachable face and full-motion 3D dot-matrix display with 2 lines of text 6-channel, 5-volt preamp outputs (front, rear, subwoofer) and front auxiliary input