Weatherproof Subwoofer 8" 300W - 2 Ohm The CompR sub mounted in the TB features a powerful ceramic magnet, an advanced suspension and superior heat management system for big bass and long life on the road, Signature double red stitching creates an outstanding bond between the Santoprene? surround and Polypropylene woofer cone for reliable performance under extreme conditions, SoloKon* technology joins the cone to the vented back brace - both cooling the motor and eliminating distortion for clean, smooth bass, Active bass subwoofer and with passive reFLEX*sub opposite, Tube-shaped ABS plastic enclosure, Innovative bracket system allows the TB to be mounted with ease, horizontally or vertically- Put it anywhere- In nearly any vehicle, Mounting brackets, grilles, and hardware included, Passive radiator augments bass response without port noise, Weather-Proof