PowerBass ASA3-600.1 600W RMS @ 2Ω MONO BLOCK CLASS A/B AMPLIFIER PowerBass's A/B Class mono block amplifiers combine our new clean low profile design that still has all the necessary features built into an economical package that puts power and control at your command. Features like a MOSFET power supply, RCA pre-amp out, and variable LPF electronic crossover make these ideally suited to add some punch to any system. The ASA3-600.1 mono subwoofer amp is a great choice when you're looking to pound out the bass. With 600 watts, there’s plenty of juice on tap to power a pair of S or M Series single 4-ohm woofers. Features - • 600 Watt High Efficiency Class A/B Design • 2-OHM Stable Mono Block Amplifier • 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. • Switchable Logo Back Lighting Specifications - • Selectable Subwoofer EQ: 0-18 dB Gain @ 45Hz • Inputs: RCA Input/RCA Pass-Through Output • Equalization Boost/Cut: 0 - 18 dB • 4-ohm Power: 300 watts x 1 • 2-ohm Power: 600 watts x 1 • Subwoofer EQ Frequency: 45 Hz • Variable Subwoofer EQ: 0 - 18 dB • Low-Pass Crossover Freq: 40 Hz - 250 Hz • Peak Power: 1200 watts • Crossover Slope: 12 dB • Dimensions (in Inches): 16.8" x 8.3" x 2.3" • Input Sensitivity: 0.25 Volts - 6.0 Volts • S/N Ratio: >94 dB • Total Harmonic Distortion: 0.3% @ Rated Power • Output Power (14.4 V) @ 4 ohm: 300 watts x 1 • Output Power (14.4 V) @ 2 ohm: 600 watts x 1 • Channels (mono): 1 • Frequency Response: 20 Hz - 22 kHz