Brand: Rockford Fosgate Manufacturer's Part Number: RNGR-STAGE4 Part Type: Powersports Stereos Product Line: Rockford Fosgate Ranger Audio Systems Summit Racing Part Number: RFF-RNGR-STAGE4 UPC: 780687351977 AM Tuner (MW): Yes FM Tuner: Yes CD Player: No Cassette Player: No Auxiliary Input: Yes Bluetooth Capable: Yes USB Port: Yes SD Card Slot: No Watts: 400.0 watts Remote Controller Included: No Speakers Included: Yes Speaker Quantity: 5 Enclosure Included: Yes Enclosure Material: Plastic Enclosure Color: Black Quantity: Sold as a kit. Notes: Compatible with Polaris heater and defrost options. Antenna is not included. Rockford Fosgate Ranger Audio Systems Rockford Fosgate Ranger audio systems are element-ready to withstand the harsh outdoor environments. These plug-and-play kits offer Pandora control capabilities and Bluetooth audio streaming. They come prepackaged with all the necessary hardware and a pre-terminated wire harness. Rockford Fosgate Ranger audio systems are available in four different stages to customize your listening experience. Kit options and specifications:* Stage 1 includes stereo kit with compact digital media receiver， 2.7 in. color display， and installation kit for the dash* Stage 2 includes stereo kit and front lower speakers* Stage 3 includes 400-watt stereo kit， front lower speakers， subwoofer， and amplifier* Stage 4 includes 400-watt stereo kit， front lower speakers， rear speakers， subwoofer， and amplifier