BOSS Audio 636CK Single Din, MP3/USB/SD AM/FM Car Stereo & 6.5 Inch Speaker Package 610UA Receiver Plays USB / SD / MP3 / WMA, AM/FM, Digital Media from Smart Phones (No CD / DVD) Compatible with Audio out from Smartphones and MP3 Players Inputs: USB Audio / USB Charging / SD / AUX Outputs: Front & Rear Pre Amp 610UA has 50 Watts x 4 Max Power and Preset built-in EQ One Pair of CK65 6.5" 2-Way Speakers with Poly Cone Woofer and Foam Surround 250 Watts MAX 180 Watts RMS Power Handling per Pair of Speakers 3 Year Platinum Online Dealer Warranty