The JBL GX1200 is a 12-inch car audio subwoofer designed to add strong low-frequency performance to aftermarket sound systems. With 250 watts RMS power handling and 1000 watts peak power, it is suited for users wanting impactful bass output during daily driving.

Built with a 4-ohm single voice coil design, the GX1200 offers straightforward amplifier matching and installation. Its 15.24cm mounting depth helps fit a wide range of custom or prefab enclosures while maintaining JBL’s recognised bass performance.