JBL SRX815 Two-Way Bass Reflex Passive SystemThe JBL Professional SRX815 15" Two Way Bass Reflex Passive System is designed for use as a light duty main PA, monitor, or rear or side fill. Featuring M10 suspension points and feet for both floor standing and monitor use, the speaker is suitable for musicians, bands, and DJs, concert use, public speaking, or installations such as performance venues, corporate spaces, educational facilities or houses of worship. Tunings and presets are available for