? Super D-Class(TM);? Ultra-Fi MOSFETS circuit maximizes power efficiency while improving sound quality;? Green power LED & red protect LED indicators;? Built-in system diagnostics;? Preamp RCA outputs to daisy-chain multiple amps;? 3-way protection circuitry?thermal, overload & speaker-short protection;? Heavy-duty aluminum-alloy heat sink with illuminated Hifonics(R) logo;? Lighted connectors & blue light wash;? Includes remote level control;? Dim: 2.4"H x 9.8"W x 17.7"D;? 3,000W max;? 1,000W RMS x 1 @ 4_; / ONE YEAR