Gauge Receiver, 5 Speaker System for Polaris RZR 900SCrest the waves while enjoying your music with the BOSS Audio MGR450B Weatherproof Gauge Mech-Less Digital Media Player. Turn on the Weather Band/AM/FM radio, hook up your smartphone or MP3 player through the Auxiliary input or plug into the USB port to charge or play USB-connected devices. Bluetooth technology lets you stream audio apps like Spotify and Pandora. Change up the sound with the built-in Subwoofer Control and Preset EQ. With an IPX Rating of 6, state-of-the-art weatherproofing materials and special UV protection coatings, the MGR450B resists corrosion and is protected from the elements. Keep your tunes flowing with the Boss Audio MGR450B. 1000 and Turbo 2 and 4 seat models - IPX6 Rated Receiver, Bluetooth, Weatherproof, USB, AM/FM Tuner, No CD Player