Cycle Sounds Series 3 Premium Speaker System provides 200 watts of speaker handling capability and is our loudest and cleanest handlebar mounted audio system. The Series 3 speaker drivers deliver exceptional response and dynamic range finished in an attractive and low-profile bullet design housing. Just connect the standard 3.5 mm jack to your favorite music player and take your tunes along for the ride. The new Series 3 Speakers are 3" (7.5cm) in diameter and come with a one point mounting location for use with standard p-clamps. This allows angling of the speakers without the need for additional adapters. Kits include combo p-clamp set for 1" or 1 1/4" bars using a simple plastic shim system. All Cycle Sounds products are designed and engineered in the USA for all-weather stability and vibration resistance to ensure maximum performance in real world conditions.