The Diamond D5 line of amplifiers utilizes the proprietary D7 output technology, and features the finest components available. Diamond D5 series amplifiers raise the bar for all other amplifier manufacturers. Hand built in the USA; all D5 amplifiers utilize massive extruded aluminum heat sinks with fly cut billet aluminum endplates, flexible crossover topology, and an exclusive anodized Diamond finish. These D5 amplifiers are designed for the serious enthusiast who demands audiophile excellence while at the same time requiring dynamic power. All of the above comes at an extremely affordable price that yet again produces an amplifier worthy of the name Diamond. Minimize