Car Audio & Video. JBL PRX818XLFW 18 1500w Pro Active Powered Subwoofer with WiFi/DSP/EQ and Wood Cabinet. Condition: AN OPEN BOX ITEM. The JBL PRX818XLF is a self-powered extended low-frequency subwoofer system. Featuring a JBL 18-inch woofer powered by a 1500-watt class-D amplifier, PRX818XLF delivers incredible output in a lightweight and compact form factor. The […]... Read More