Best Buy has JBL – CX Series 12″ Single-Voice-Coil 4-Ohm Subwoofer – Black for $29.99 (Was $129.99).
Enjoy powerful low-end sound while you’re on the road with this JBL CX Series CX1200 single-voice-coil subwoofer, which features a 12″ polypropylene woofer cone for rich, robust audio. The progressive spider delivers optimal control.