Everything included, just plug & play!
All components necessary are included with this package. It comes with subwoofers, enclosure, amplifier, bass knob, and complete installation kit so you have to look no further, this package has everything you need. This package is easy to install. Run the wires, plug them into the radio and the battery, and you're good to go in about 30 minutes. (Professional installation recommended). This subwoofer, amplifier, and high-output enclose package is engineered and tuned to work in unison to produce unparalleled sound quality and superb output. Just drop it in your trunk, plug it in, and enjoy this great DS18 bass system