The dual two - inch voice coils allow you to hook up the subwoofer in a variety of ways, which is especially handy for custom audio systems. (geekwrapped.com)
Inside, a Katzkin leather interior, features a six - point roll cage, leather and suede steering wheel and GAS custom audio system. (topspeed.com)
Special thanks to Funktion - One and Sound Investment for custom audio system and to Halofix and Dr. Gil Soulodre for immersive sound experience. (newmuseum.org)