Car audio systems rely on powerful bass for great sound. System designers look for configuration flexibility. The Club Series offers both. Designed to fit a wide range of applications, these 12-inch subwoofers produce JBL's signature bass performance in sealed or vented enclosures. But the flexibility doesn't end there. These subwoofers feature SSI™ (Selectable Intelligent Impedance), a unique impedance switch that allows you to select the optimal impedance (2 or 4 ohms) for your system. So you get the powerful JBL basses you want, in the configuration you choose
