HCP 5D is a front + rear + sub complete car audio amplifier with five very powerful D class channels. It features a wide range of inputs to obtain the best configuration with every car audio source. HCP 5 D is suitable in a five channels system with subwoofer, in a tree channel front + sub system using the front and rear built-in filters that include also a bass boost circuit and a subsonic filter. All the Hertz Compact Power amplifiers are assembled with high-quality components and feature a complete and by-passable crossover system. The dissipation system is optimized with the heat being transferred to the heat sink and then dissipated through the sides of the amplifier.