True plug and play design ensures installation with only some simple hand tools in less than 30 minutes for both. Neodymium Pro audio 6.5 speakers included, rated at 150W RMS and 150W Peak power for the loudest sound and highest wattage-to-decibel efficiency. Especially designed for Jeep JL, JLU, and JT plug and play installation. The units use the factory amplifier but can alternatively be powered for even more volume with an external amplifier. Progressive designs and a commitment to delivering technologically up-to-date products