BOSS Audio Systems MG150T.4 Marine ATV UTV Audio Stereo System ?C 4 Inch Waketower Speakers . Gauge Radio Receiver . Bluetooth Audio Head Unit . Amplified . IPX6 Weatherproof . No CD Player . Amplifier Crest 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. Marine ATV UTV Waketower Speakers Gauge Receiver (Built-In 2 CH Amplifier) Package ?C IPX6 Weatherproof . Bluetooth . No CD . USB . Aux-In . 4 Inch Waketower Speakers . 2 Way The MG150T.4 Weatherproof gauge receiver and waketower package will never cause you to miss a beat. The MGR150B Marine receiver has a built-in 2 channel amplifier . perfect for hooking up the included 2 Waketowers. It is IPX6 rated designed for an outing or life on the water. A little splash of water and humidity on the boat . or some dust and dirt while riding your ATV UTV does not phase this package. You can use the Bluetooth . auxiliary input . and USB port to quickly connect to your audio sources. The receiver does not have a CD player.