PowerBass ASA3-1500.1D 1,500w rms @ 1 - Ohm mono block class-d amplifier To give your subwoofers some serious power at an affordable price, we offer the ASA3 range in super efficient Class D power. This line offers amplifiers that can provide up to 1,500 watts to a single woofer. 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. Features - • 1,500 Watt High Efficiency Class D Design • 1-OHM Stable Mono Block Amplifier • Double Sided Circuit Board Construction • 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) Specifications - • Selectable Subwoofer EQ: 0-18 dB Gain @ 45Hz • Variable Subsonic Freq: 15 Hz - 50 Hz • Equalization Boost/Cut: 0 - 18 dB • Subwoofer Frequency Range: 20 Hz - 150 Hz • 4-ohm Power: 500 watts x 1 • 1-ohm Mono Power: 1500 watts x 1 • 2-ohm Power: 1000 watts x 1 • Subwoofer EQ Frequency: 45 Hz • Variable Subwoofer EQ: 0 - 18 dB • Low-Pass Crossover Freq: 50 Hz -150 Hz • Peak Power: 3000 watts • Crossover Slope: 12 dB • Dimensions (in Inches): 16.6" 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 • Strapped Output Power @ 2ohms: 3000 watts x 1 • Output Power (14.4 V) @ 4 ohm: 1000 watts x 1 • Output Power (14.4 V) @ 2 ohm: 1000 watts x 1 • Output Power (14.4 V) @ 1 ohm: 1500 watts x 1 • Frequency Response: 20 Hz - 250 Hz