The PRX918XLF subwoofer is part of JBL's PRX900 Series of powered loudspeakers and subwoofers, a comprehensive solution for DJs, bands, music venues, and rental houses requiring professional-grade systems that deliver powerful sound and are built for maximum durability. Its advanced acoustic engineering, efficient Class D amplifier, and advanced digital signal processing provide optimal audio performance. With its next-gen driver and a 6-band parametric EQ for system tuning and tonal control, plus 20ms delay, this 18-inch powered subwoofer is the perfect choice for any portable or installed application. Plus, the JBL Pro Connect app provides easy BLE control.