JBL PRX918XLF 18-inch Powered Subwoofer Bring your portable PA rig to a new level with the JBL PRX918XLF, a powerhouse in the world of professional audio. This 18-inch powered subwoofer from the renowned PRX900 Series is a game-changer, combining advanced acoustics, cutting-edge DSP, and robust construction for musicians, DJs, and audio professionals who demand excellence from their gear. This ensures clear, defined bass with a smooth low-frequencies even at maximum volume, making your performances truly unforgettable. It offers full system control for up to 10 speakers and seamlessly integrates with JBL EON ONE MK2, PRX ONE, and EON700 systems. Take advantage of app-only functions such as snapshots and grouping and put the power of customization right in your hands. Built for the Road Designed to withstand the rigors of the road, the PRX918XLF is housed in an 18mm birch cabinet with optimized bracing. This construction not only enhances low-frequency response but also ensures durability. Backed by industry-leading test and validation protocols, every JBL product guarantees reliability and durability.  Features: 18-inch ferrite magnet woofer with Class D amplification. JBL Pro Connect app for complete hardware and DSP control. Class-leading DSP with a 6-band parametric EQ, lowpass filter, and 20ms delay. Robust 18mm birch cabinet with optimized bracing for durability and enhanced response. M20 pole cup for easy pole mounting.