Put the bump in your boat. Pure, pounding power is delivered with incredible clarity and quality. Designed specifically for wakeboard boats, these drivers are the ultimate for the biggest audio systems. The perfect compliment to the Rubicon 350 and 450. Sealed enclosures tuned for flat response. Vented enclosures offer superior performance for SPL and extended low bass applications. Up to 3 different port options (diameter x length) are given. Driver & Port Displacement are included in all designs.