This used JBL PRX818XLFW Powered Subwoofer delivers powerful, deep bass with an 18-inch woofer and a built-in 1500-watt Class-D amplifier, making it ideal for live performances, DJs, and audio professionals. With a frequency response of 30Hz�C103Hz and maximum SPL of 134 dB, it ensures clean, thunderous low-end sound. The enclosure is rugged, made of durable wood with a tour-ready finish, and includes integrated handles for portability. Fully tested and in good working condition, it features Wi-Fi remote control for EQ and DSP settings via the JBL PRX Connect app. This subwoofer combines professional audio performance with smart functionality, making it a reliable addition to any sound system setup.