JBL’s GT5-10, a 10″ Subwoofer is for anyone who likes to have a descent bass without giving it a great deal of space in the car. The JBL GT5-10 subwoofer features a single 4-ohm voice coil and a vented motor structure, and offers 1100 watts of peak power handling. The GT5-10 also features JBL’s newest design, combining classic elements with modern ones. It features Dual-stacked, two over sized magnets, unlike competing entry-level subwoofers.