LRx 5.600 is a high power, very compact five channel amplifier which can handle extremely exacting systems in various configurations, with absolute musical refinement. Its great versatility, its numerous inputs and active filters, its ability to provide very high currents make it the best to build front/rear and Constant Bass subwoofer systems which insure extraordinary power, pure sound and which are easy to install. Its great configuration flexibility recommends its use even in multi-amplified, two way systems with subwoofer. There is an independent subwoofer input. It has four Butterworth crossovers, three of which have independent adjustments, and a bypass subsonic filter. • Limit Led • On/Off Led • Safety Led • Subsonic Bypass • Levels adjustment: Sub, Rear/M-Tw, Front/Wf • Crossover frequencies adjustment: Hi/Lo-Pass, Hi-Pass, Lo-Pass (Sub)     Configuration switches: • Front-Rear/Multichannel • 3/5 channels • Activation of the third input for subwoofer • 1 IN+Pre Out/2 IN. Subsonic filter frequency setting. VCA module insertion for sub volume remote control.