JBL VRX915S-WH Subwoofer option-title-SM58 "Calibration factors have been developed

"Calibration factors have been developed and approved by the Actors’ Equity Association and the Broadway League for use in measuring theatrical fog with the JEM Glaciator and JEM Low-Fog Fluid

Total Harmonic Distortion:<1

The front facing port design solves the issue of bass coupling with back walls and corners in smaller studio environments and further enhances bottom end response at higher listening levels

Features:Use #HPS screws to mount (sold separately)

JBL VRX915S-WH Subwoofer option-title-SM58 "Calibration factors have been developedJBL VRX915S WH Compact, High Power Suspendable Subwoofer System The VRX915S is a compact, high power suspendable subwoofer system containing a 2265G 1 neodymium magnet, patented Differential Drive, 15" woofer in a front loaded, vented enclosure. Features: Integral rigging hardware for simple connection of VRX915S line arrays and optional array frame. 15 inch, 2265G 1 Differential Drive woofer for extended low frequency output. Light and compact for