The Guzauski-Swist GS-3a Surround 5.1 Studio Monitor System is the ideal solution for high end recording studios, mastering facilities, film, broadcast and educational audio mixing and production facilities. Configured with the optional Guzauski-Swist Sub Woofer GS-3A XED-15 and Center Channel GS-3AC Studio Monitor this system is designed for superior high-end surround, 5.1 mixing.