Waterproof external speaker allows you to hear communications when outside the vehicle. The powerful 15-watt amplifier delivers loud, clear audio even in noisy environemnts. Perfect for UTV's, chase trucks, base stations, and any application where hearing audio traffic outsde the vehicle is a must. Features male 3.5mm mono plug with 15' power lead to connect straight to your battery. Can easily be mounted using the speaker hardware or bar mounts.