JL Audio announced its latest subwoofer Gotham g123 producing amazing audio reproduction. The subwoofer looks amazing. This exotic subwoofer is an example of extraordinary craftsmanship. Enjoy music with a difference. Gotham g213 comes in glossy black finish. It is built with aluminium and stainless steel accent. JL Audio incorporated advanced technology to deliver voltage equivalent to 3,800 watts of RMS power.