Audiopipe APHF-5000D-H1 Class D Monoblock. 1 Ohm 5000 Watss RMS Amplifier. Mono@1 Ohms: 1 x 5000 Watts @ 800A. Mono@4 Ohms: 1 x 1600 Watts @ 215A. Mono@2 Ohms: 1 x 3200 Watts @ 450A. High Pass: 10Hz-80Hz 12dB/Octave.
eBay