Nemesis Audio NA-10KD 4500W RMS Class D Monoblock Amplifier

RMS Strapped Power @ 2-Ohm: 1x9000W. 1-Ohm Stable Amplifier. Input Sensitivity: 0.2V-6V. Efficiency @ 4-Ohm: >90%. THD @ 4-Ohm: 85. MAX/RMS Power @ 4-Ohm: 1x3500W/1x1600W. Frequency Response: 20Hz-250Hz.

eBay