Marine Audio Pro

JL Audio MHD600/4 Amplifier The revolutionary MHD amplifiers apply a switching technology called Single Cycle Control™ to deliver world-class, full-range sonic performance and very high power from what seems like an impossibly small package. The MHD’s tiny dimensions are made possible by their outstanding electrical efficiency (over 80% at 1/2 power), which also results in a lot less current draw from your boat’s batteries. Best of all, ...