The JBL's SRX835P 15" three-way bass reflex self-powered system is designed for live performances, mobile and fixed DJs, sound system rentals, touring, and permanent installation. This powered system can deliver a frequency response of 41 to 20,000 Hz (-3 dB) and a maximum SPL of 137 dB using JBL premium transducers, crown Class-D drivecore amplification with a peak of 2000W, and a fully user configurable DSP system with HiQnet network control (via Ethercon connection to third party router) and 50 JBL engineered application presets. The rear panel of the speaker features a power button with LED indicator, a pair of balanced XLR/TRS combo input connectors, an LCD display screen with master encoder knob and back button for accessing presets, a pair of XLR-3M output connectors for sending to additional speakers