While at first glance the changes are cosmetic in the form of a new chassis, several significant internal improvements have also been made. Rear rejection, which has always been a strength with the PR series of mics from Heil, is -42dB with the upgrade.

The Control 50?s stylish appearance, easy mounting, and compatibility with JBL?s Control 40 Series in-ceiling models make it the most versatile subwoofer-satellite system in its class...

Designed to work over typical wall obstructions such as conduits or raceways, the open-back model facilitates integration and access in difficult installation situations...