AURA-4L150 is a multichannel, 4×150 W RMS @ 4 Ω, high efficiency amplifier (class D). AURA Series are built with the highest robustness for long lasting performances with special power supply circuitry designed for optimized electrical consumption and are 100% silent featuring convection cooling system. AURA Series also features the possibility of linking channels to the first input by selecting it on the rear panel, adjustable auto stand-by level, overload and thermal protection, PFC and anti-clipping system.