Enjoy lively, vibrant sound with the Boss MC400 speaker. Made of chrome, the 3" waterproof speakers pack a powerful sound in a compact package. Adjust the sound to your liking with the rotary volume control, and easily install the amplified speakers on your bike or all terrain vehicle with the convenient handle bar mount. The waterproof speakers allow you to play music off virtually any audio unit with a 3.5mm audio output. Use the Boss MC400 speaker to enjoy 600W of maximum power the next time you are out biking or riding your ATV.