Audiopipe Micro Class-D 4 Channel Amplifier, 1300 Watts 180 Watts x 4 @ 2 Ohms 100 Watts x 4 @ 4 Ohms DIM (W X H X L) 4.75" x 1.75" x 10" Current Draw: 76 Amps Single Sided Controls/Connections Hi/Low Pass Crossover Hi/Low-Level Inputs Signal to Noise Ratio: 80dB Frequency Response: 20Hz-20kHz THD: 0.5% Hi Pass Filter: 35Hz-250Hz Low Pass Filter: 35Hz-250Hz Bass Boost