Power Acoustik 3500 Watt Class D Full Range Monoblock Amplifier OD1-3500D Power Acoustik 3500 Watt Class D Full Range Monoblock Amplifier.  Overdrive amplifiers pack huge amounts of power into small chassis thanks to efficient full-range Class-D topology and SMT technology. Complimented with every possible preamp adjustment overdrive amplifiers leave nothing to be desired.    Features:  Max Power (Watts) - 3500 Watts  RMS Bridged  1? - 1300W x 1  RMS Power  2? - 800W x 1  RMS Power  4? - 500W x 1  Number of Channels1 - Mono  Total RMS Power Output - 3500 watts  Maximum Input Gauge Size - 4 AWG  Minimum Impedance Unbridged - 1 ohm  Minimum Impedance Bridged - 1 ohm  Speaker Level Inputs - Yes  Built-in Crossover - Low-Pass (LP)  Low-Pass Crossover Frequency - 40 - 180 Hz  Subsonic Filter - 0 - 50 Hz  Bass Boost0 - 12 dB