New JBL CLUB 122SL 1200 Watts 12" 2 or 4 ohm Shallow Mount Truck SLIM Subwoofer

JBL CLUB 122SL. They also feature SSI™ (Selectable Smart Impedance), an exclusive impedance switch that lets you select the optimum impedance, 2 or 4 ohms for your chosen amplifier and overall system layout.

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