Key Features 

• Digital Class D Subwoofer Monoblock Amplifier
• MAX Wattage: 1800w Peak 
• RMS Wattage: 600 Watts RMS @ 1 ohm, 400 Watts RMS @ 2 ohms, 250 Watts RMS @ 4 ohms
• Frequency Response: 10-500Hz
• Signal to Noise Ratio: >93dB
• Efficiency at 4 ohms: 90%
• Total Harmonic Distortion: 0.001%
• Input Range: .25-6v
• Selectable X-over: LPF Fixed
• Bass Boost- 0-12dB
• Phase: 0-180
• Power and Ground Terminal: 4 GA
• Minimum Impedance: 1 ohm
• Dimensions: 9.64"L x 4.72" W x1.96"H