Car Audio & Video. JBL SRX718S 18 3200W Peak/800W RMS Pro Passive Subwoofer Neo Magnet+Birch Wood. Condition: BRAND NEW IN ORIGINAL PACKAGING. The SRX718S is a compact, high power subwoofer system containing a 2268H neodymium magnet, patented Differential Drive®, 18 woofer in a front-loaded, vented enclosure. The enclosure is designed to present a minimum frontal […]... Read More