For anyone who likes to crank it up in the car, the JBL high-output GT5-10 subwoofer is the real deal. The JBL GT5-10 subwoofer features single 4-ohm voice coils and a vented motor structure, and offers 1100 watts of peak power handling. The GT5-10D also features JBL's newest design, combining classic elements with modern ones. The GT5-10 follows the design of the more-expensive JBL subwoofers, combining classic elements with modern ones. The GT5-10 handles 275W/1100W (RMS/Peak) power and offers nearly 20 percent higher Xmax than many competitors. With its fully vented motor structure and rubber-coated tinsel leads, the GT5-10 is able to withstand even the most intense bass assault. Unlike competing entry-level subwoofers, the GT5-10 is based on a solid motor structure featuring two large magnets covered by the classic JBL rubber ring.