Product Features: 7500W True RMS Class D @ 1 Ohm, 4232W True RMS @ 2 Ohm and 2400W True RMS @ 4 Ohm with Bass Knob Included Small footprint and compact chassis makes this mono amplifier easy to install in any vehicle or car audio application; but dont let the size fool you, this 1500 watt amplifier absolutely pounds Engineered to be the most efficient car Monoblock amplifier in its class so that you can get the most out of your vehicles electrical system MOSFET pulse width modulated power supply and proprietary heat dissipation design will ensure the amplifier for car subwoofers runs cool for even the most demanding playlists 4-way protection circuitry features high voltage, low voltage, over current, and high-temperature protection; sleep easy at night knowing your class d amplifier car audio is protected