Be in control with Krypt Marine Audio on your boat. Control your party cove with Krypt Marine Audio HLCD Wakeboard Speakers. Krypt Marine Audio produces the loudest crystal clear wakeboard tower speakers on the market. We designed our HLCD wakeboard tower speakers with loud speaker technology instead of the boring car audio technology that every other wakeboard tower has on them. Fire up a pair or 2 pair of our HLCD speakers, and your boat will be the center of attention at party cove. Come on, give us a shot.