This is a Boss Audio 634CA 200 watt, car audio in-dash AM/FM CD receiver with a 3.5mm front auxiliary input. This 200 watt digital receiver offers an easy-to-use interface that provides a rewarding experience, as well as support for your favorite media. The AM/FM radio features switchable USA/Europe radio frequencies and a PLL synthesized tuner with 24 station presets. With the built-in preset equalizer curves (Flat, Pops, Rock or Classic) you can choose your listening preference from your audio device that sounds the best. Also featured for direct playback, is a front 3.5mm auxiliary jack, which allows you to connect your iPod, iPhone, MP3 or other digital audio player. A rear 5 volt RCA preamp output, allows you to add an external amplifier to your system. Also included, is a detachable front faceplate, for security and a wireless remote control. This is unit has been remanufactured to 100% of Boss Audio's factory specifications.