QR Code Link to This Post Boss All-Terrain Sound SystemBluetooth capability Weatherproof housing Two-channel amplifier produces 600 watts The Bluetooth® capability of the Boss Audio Bluetooth-Enabled All-Terrain Sound System makes listening to your favorite music cord-free and hassle-free. Weatherproof housing covers two 3" speakers so you don't have to worry about your speakers in extreme conditions. Two-channel amplifier produces 600 watts for big sound. 3.5mm auxiliary input jack makes hooking up your MP3 player a breeze. Includes an adjustable brackets for mounting options.