Brand: RetroSound Manufacturer's Part Number: SC-M4 Part Type: Automotive Radios Product Line: Retro Sound USA Santa Cruz Radios Summit Racing Part Number: RES-SC-M4 UPC: 680226353793 Radio Size: Custom FM Tuner: Yes AM Tuner (MW): Yes CD Player: No Satellite Radio Ready: No HD Radio Ready: No Display Color: Adjustable multicolor Radio Face Finish: Black Radio Button Finish: Black Bezel Included: Yes Bezel Color: Black Radio Knobs Included: Yes Radio Knob Finish: Black Bluetooth Capable: Yes USB Port: Yes SD Card Slot: No Auxiliary Input: Yes Peak Output: 45 watts x 4-channel RMS Output: 25 watts x 4-channel Preamp Outputs: 4 Preamp Voltage: 2.85 volts Remote Included: No iPod Compatible: Yes Quantity: Sold individually. Notes: Has two USB inputs and two aux inputs. Retro Sound USA Santa Cruz Radios RetroSound(R)'s Santa Cruz is the first and only radio ever designed specifically for 1988-94 GM trucks and features an OE-style appearance for seamless integration into your truck. Santa Cruz is a full-featured radio， with built-in Bluetooth(R) for hands-free calling and wireless audio streaming ? and features Bluetooth(R) Music Browsing. A powerful 25 watts RMS x 4 channel amplifier is built in， and RCA pre-outs are provided for adding external amplifiers. Santa Cruz has a 32，000 color display allowing it to be customized to match your vehicle's interior. A rear-mounted USB port for flash drives and two standard auxiliary inputs provide plenty of flexibility and allows playback of WMA， MP3 or FLAC files.