Crunch Ground Pounder with QTD Technology delivers 3500 watts at 1 ohm stability to subwoofers and features include built-in electronic crossovers and includes bass remote.Features:LOW NOISE PREAMPLIFIER CIRCUITMaximum low voltage signal from the source unit comes into the amplifier through a low voltage circuit which delivers minimal distortion through the amplification process.RCA INPUTSHighest sound quality connection with quality RCA materials helps prevent interference and minimize distortion in the signal path.HIGH LEVEL INPUTSEasily tie into OEM audio systems that do not offer RCA output to maximize aftermarket amplifier power.OPERATION MODEMono Only.CROSSOVER TYPEVariable Electronic 12dB Per Octave.ELECTRONIC EQUALIZERFully Adjustable 12dB Crossovers.CLASS/TOPOLOGYClass D: Very efficient D-Class to drive additional power to subwoofer frequencies while remaining a small footprint.OUTPUT DEVICE TECHNOLOGYExclusive Crunch SPEED-FET MOSFET components maximize power efficiency while improving sound quality and minimizing distortion.HEAT SINKQTD Technology Aluminum: Quick Thermal Dispersion Technology assures additional mass in the aluminum heat sink keeps the amplifier running cool with nearly undetectable distortions during normal music listening.POWER SUPPLYHigh energy Pulse Width Modulated Power Supply delivers power with minimal impact on the electrical system.OUTPUT CONNECTIONSNickel Plated Brass Connection with terminals allow for secure connection while resisting corrosion.CONNECTION TYPEScrew Down Connectors: Easy access for hand tool allowing a quick and secure connection.LED SYSTEM PROTECTION CIRCUITRY DIAGNOSTICSMonitor overload and speaker short protection with lighted indicators on the amplifier end panel.BASS REMOTE INCLUDEDWired Bass Remote allows adjustments to bass frequencies to be made from the control mounted anywhere in the vehicle.