Dual"s CP662B In Dash AM/FM/CD/MP3/WMA Receiver with Speakers Combo Pack features two 6.5" dual cone design speakers with corrosion-resistant ABS construction and poly-coated cloth surround. Specifications include 45Hz-15kHz frequency repsonse, 88dB sensitivity, 4 ohms impedance, 2.24" mounting depth, 7.5" outside diameter, 5.13" cut-out diameter, 20 watts RMS power, 60 Watts peak power. The tuner boasts 30 station presets, auto station store/preset scan, front panel USB connection, plays MP3 WMA files from most mass storage devices, CD-R CD-RW compatible and displays ID3v1 tags. Also features 1.0 DIN chassis with conformal coated circuit boards, 3.5mm front panel auxiliary and infrared remote control.