Planet Audio TR1500.1M Monoblock Car Amplifier - 1500 Watts, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Great for Subwoofers Go to amazon.com Related posts Top subwoofer knob boss for 2022 Feature1500 w Max power x 1, 1125 w x 1 RMS @ 2 ohm, 563 w x 1 RMS @ 4 ohm Monoblock class a/b, MOSFET power supply High and low level inputs Variable low Pass Crossover, switchable bass Boost