Technology partner: V3933 TOA Electronics, Inc
SKU SR-A12S-3933
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.
*Stock Items 5-7 Business Days Lead Time / Items Not In Stock Have Extended Lead Times-Contact PSA*


  • Designed for wide bandwidth response - These compact and powerful 2-way modular speaker units can be used in multiple configurations as required to deliver greater output power with a more extended frequency response.
  • High-performance driver units - Each Type A Series speaker module contains a 30cm (12'') low frequency unit and a high-frequency horn attached to two compression drivers for greater output.
  • Wavefront control - The horn incorporates a proprietary phase wavefront control throat that functions to obtain the best possible performance from the high frequency drivers.
  • Simple maintenance - Maintenance and servicing are made easier on the Type A Series to suit it for permanent installations. All driver replacement is possible from the speaker's rear, a simple and speedy procedure.
  • SR-A12L Long-throw enclosure (5V x 90H)
  • SR-A12S Short-throw enclosure (15V x 90H) Components:
  • Dual compression drivers
  • 12'' low frequency driver
  • Power handling:
  • 450 W (LF), 180 W (HF)
  • SR-A18B Subwoofer
  • 18'' low frequency
  • Power handling: 720 W
  • Five year warranty