CERWIN VEGA H41000.1D HED 1 Ohm RMS Class D/1100 Watts Max 1-Channel Auto Amplifier When seeking power and clean signal for your car audio system Cerwin-Vega Mobile's HED series amplifiers are the answer. Our High Energy Design amplifiers generate even more power compared to the previous generation HED models. * Remote Level Control / Bass EQ: YES / 45Hz.