DESCRIPTIONS RMS @4 OHM : 125W x 4CH RMS @2 OHM : 250W x 4CH RMS BRIDGED POWER : 500W x 2CH LENGTH 24 inch, Width 12.25 inch, height 4 inch FULLY REGULATED, MOSFET POWER SUPPLY STACT REDUCES POWER SUPPLY STRESS BY 50% TONE SWEEP CALIBRATION OPTIMIZES THE POWER SUPPLY TO THE CONNECTED SPEAKER LOAD VORTEX INDUCTION FAN FOR THERMAL MANAGEMENT BI-LINEAR BUILT-IN SELECTABLE 2-WAY CROSSOVERS FOR AMPLIFIER AND RCA LINE OUTPUT CONTINUOUSLY VARIABLE 12db LOW-PASS CROSSOVER (30Hz - 4KHz) CONTINUOUSLY VARIABLE 12db HIGH-PASS CROSSOVER (30Hz - 4KHz) HARMONIC BASS ALIGNMENT PRODUCES TIGHTER AMD MORE ACCURATE BASS REPRODUCTION TRIDENT AMPLIFIER PROTECTION TOPOLOGY BALANCED LINE INPUTS FOR THE HIGHEST LEVEL OF NOISE REJECTION PLATINUM 4 GAUGE POWER INPUTS ALL CHROME PLATED