The PSRX728S is a high power subwoofer system containing two 18inch magnet, patented Differential Drive®, 18″ woofers in a front-loaded, vented enclosure. Light-weight and very high-power. Dual 18 inch Differential Drive® low-frequency drivers for extended low-frequency output. 75°x 50° coverage. Bi-amplified or full-range passive operation.
