In-dash CD/MP3 Car Receiver Peak: 50 watts x 4 channels RMS: 14 watts x 4 channels Playback Formats: CD, CD-R, CD-RW, MP3, WMA Single-DIN Built-in MOSFET amplifier LCD text display Wireless Remote Control Included Detachable face CD text information display MP3 ID3 Tag Display (Title/Artist/Album) Radio tuner with 18FM/12AM presets 1 Set of 2V preamp outputs Front USB input Front Auxiliary input 6-1/2" 2-Way G Series Car Speakers Peak: 180 watts each RMS: 30 watts each Impedance: 4 ohms Frequency Response: 45-25,000 Hz Injection molded polypropylene cone woofer Treated cloth surround 1" PET (polyethylene terephthalate) balanced dome tweeter Ferrite magnet structure Top-mount depth: 2-1/8"