TOA Electronics, Inc.","Short-throw enclosure (15°V x 90°H) Mid-Size Line Array Speaker","Designed by the engineering team responsible for TOA's highly acclaimed Z-Drive processed speaker systems, the SR-A Series Mid-Size Line Arrays feature TOA's proprietary Sync-Drive horn technology (pat. pending) to provide a uniform, high frequency sound field offering excellent sound clarity and minimal interference. Mid-high modules include the SR-A12L (long-throw) and the SR-A12S (short-throw) each with dual compression drivers and 12\" low frequency driver. The SR-A18 subwoofer module features a heavy duty 18\" low frequency driver rated at 720 Watts continuous power handling. Along with weather resistant models and multiple mounting hardware options, the SR-A Series Line Arrays are backed with a five year product warranty.