MTX Audio RT8PT Universal Powered Subwoofer Enclosure SR B20ABL Performance specifications: Performance specifications: so you can enjoy your TV show and movie soundtracks through this high performance so it is easy to connect to any type of radio Key Features: Integrated 120 Watt RMS Amplifier 8 Inch High Output Subwoofer Vented Enclosure Design High and Low Level Inputs for Easy Connection to Any Source RT8PT Amplifier and Vent View 40 Years of Experience This universal amplified enclosure was designed for new enthusiasts looking to experience what adding bass to their music sounds like and for those hard core bass fans who have unfortunately had to grow up and can no longer drive around with three 15 Inch subs in their trunk