PowerBass ASA3-600.1D 600W RMS @ 1Ω MONO BLOCK CLASS-D AMPLIFIER PowerBass's ASA3 Class D amplifiers are always 1-ohm stable, and still come complete with all our sought after features like subsonic filters to keep ultra low frequencies from zapping power from frequencies that you do not want to reproduce and protection circuitry that will keep your amplifier from blowing up during duress. The Bass EQ control also gives you the ability to increase your subwoofers output by up to 18dB at the earth shaking frequency of 45 Hz to give your competition the knockout punch. Features - • 600 Watt High Efficiency Class D Design • 1-OHM Stable Mono Block Amplifier • Double Sided Circuit Board Construction • PWM MOSFET Power Supply • Low Level RCA Input/Low Level RCA Pass Through Output • Remote Soft Delay Turn On/Off Circuit • Variable Low Pass Electronic Crossover • Variable 12dB Bass Boost EQ • Variable Gain Control • Wired Secondary Remote Gain Control Included • Protection Circuit: Impedance Over-load, Speaker Short, Circuit, Thermal Overheating, and DC Output. • Strapable Dual Amp Power Doubling Circuit (Amp-to-Amp Bridged at 2 ohm minimum) • Switchable Logo Back Lighting Specifications - • Selectable Subwoofer EQ: 0-18 dB Gain @ 45Hz • Variable Subsonic Freq: 15 Hz - 50 Hz • Inputs: RCA Input/RCA Pass-Through Output • Equalization Boost/Cut: 0 - 18 dB • Subwoofer Frequency Range: 20 Hz - 150 Hz • 4-ohm Power: 200 watts x 1 • 1-ohm Mono Power: 600 watts x 1 • 2-ohm Power: 400 watts x 1 • Subwoofer EQ Frequency: 45 Hz • Variable Subwoofer EQ: 0 - 18 dB • Low-Pass Crossover Freq: 50 Hz -150 Hz • Crossover Slope: 12 dB • Dimensions (in Inches): 13.6" x 9.4" x 2.3" • Input Sensitivity: 0.25 V - 6.0 V • S/N Ratio: >80 dB • Total Harmonic Distortion: >0.5% at Rated Power • Output Power (14.4 V) @ 4 ohm: 200 watts x 1 • Output Power (14.4 V) @ 2 ohm: 400 watts x 1 • Output Power (14.4 V) @ 1 ohm: 600 watts x 1 • Channels (mono): 1 • Frequency Response: 20 Hz - 250 Hz