DESC: Since then, Orion amplifiers have just grown bigger, badder, stronger, and LOUDER. For the absolute ultimate in brute force mega-power, bow down before the awesome force of Orion! Orion pulls out all the stops with these amps. Orion HP series (for High Performance) amps feature high-pass and low-pass crossovers, INTELLi Bass equalization, mil-spec circuit boards, and gunmetal finish with illuminated Orion logo.