Road Thunder Bass Box SERIOUS BASS FROM AN EASY-TO-USE, AMPLIFIED SUB ENCLOSURE. Compact Size, Huge Performance Don't be fooled by the compact size of the RTP8A, this amplified and vented subwoofer enclosure is designed to deliver bass like only MTX can. This low profile unit can be installed in virtually any vehicle without sacrificing space. The 8" subwoofer, integrated amplifier, and vented enclosure delivers bass you have to experience to believe. ELEVATE YOUR SOUND The 8" high output woofer used in this unit includes a lightweight and durable polypropylene cone that moves air more efficiently for impressive bass output that you can feel as well as hear. The integrated class D amplifier can deliver up to 120 watts RMS power to the subwoofer using either high or low level inputs, so it is easy to connect to any type of radio. EASY MOUNTING The unit also includes an external bass control that can be connected to the amplifier and mounted near the driver allowing for subwoofer volume adjustment on the go. FEATURES Features ◾Amplifier Power Output: 120 Watts RMS ◾8" High performance subwoofer in a carpeted, vented enclosure ◾High Level and RCA inputs for easy connection in any system set up. ◾External Bass Control is included for convenient control of volume from front of vehicle.