The MTX MUDSYS31 Bluetooth overhead audio system designed to deliver unbeatable high quality audio to ORV's that include mounting accessible roll cages with diameters between 1.75" and 2". This all weather system includes four 6.5" coaxial speakers that work in conjunction with an integrated 280-watt power amplifier. The source unit includes Bluetooth, 3.5mm auxliary, and USB inputs that allow you to listen to your music however you want. Additionally, the unit includes a digital AM/FM radio and digital clock.