Wolfram Audio AC-200.4 (AC Series) Car Amplifier 4 Channel 370 Watts RMS x 4Ch

All amplifiers purchased from Wolfram Audio come with a 30-day(from purchase) exchange warranty. After the 30 days, all amplifiers have a 1-year warranty repair from date of purchase.
Warranties are non transferrable. 

RMS Power @ 2 Ohms : 370 Watts x 4 Channels (14.4v)
RMS Power @ 4 Ohms : 200 Watts x 4 Channels (14.4v)
RMS Power @ 4 Ohms (Bridged) : 740 Watts x 2 (14.4v)
Frequency Response: 10hz to 22khz
Input Sensitivity: Variable 6v to 200mV ( +/- 5%)
Signal to noise Ratio: >95 dB
Dampening Factor: 100 db <
Efficiency: (4 ohm, 100Hz) 91% <
Minimum Impedance: 2 Ohm
Low Pass Filter: 50hz to 800Hz
x10 LPF Multiply: x10 (500Hz - 8KHz)
High Pass Filter: 20Hz to 800Hz
x10 HPF: x10 (200Hz - 8KHz)
Power & Ground Input: 4 Gauge
T.H.D. Continuous @ 4ohm : <0.01%
Tested Voltage: 14.4v
Operating Voltage : 8.5v ~ 16V
Plexiglass Backplate Included
Dimensions: 12x8x3