DE-Series 1600W RMS Monoblock Class-D Full-Range Car Amplifier Power Rating: 2 Ohm: 1150 Watts x 1 Channel 4 Ohm: 700 Watts x 1 Channel 1 Ohm Bridged: 1600 Watts x 1 Channel Signal to Noise Ratio: 90 dB Frequency Response: 10 Hz - 350 Hz Variable Low-Pass: 40 Hz - 250 Hz at 24 dB Variable Sub-Sonic: 10 Hz - 50 Hz at 24 dB Dimensions: 13.4 (L) x 6.8 (W) x 2.3 (H) High Density Aluminum Alloy Heat Sink Double Sided, Two Layer Glass Epoxy Circuit Board Balanced Differential Inputs Phase Adjustable from 0 to 180 Degrees Fully Variable, 12 dB/Octave, Electronic Crossover Variable 24 dB/Octave Sub-Sonic Filter Includes official LAB vinyl sticker (2.13 x 2.75 ) DE-Series 1600W RMS Monoblock Class-D Full-Range Car Amplifier 2 Ohm: 1150 Watts x 1 Channel 4 Ohm: 700 Watts x 1 Channel 1 Ohm Bridged: 1600 Watts x 1 Channel Signal to Noise Ratio: 90 dB | Frequency Response: 10 Hz - 350 Hz | Dimensions: 13.4 (L) x 6.8 (W) x 2.3 (H) Manufacturer Diamond Audio Item model number DE1600.1D Product Dimensions 19 x 9 x 4 inches; 10 Pounds