RDL or Radio Design Labs is a manufacturer of audio, video, and control modules used in the broadcast and communications industries. They were the inventor of application specific modules that are used in communications, home theatre installations, commercial audio/video applications and the broadcast industry as well as in many other industries where audio, video signals need to be received, switched , mixed, distributed, monitored, amplified, and processed. Zack features over 500 products from RDL and has large quantities of product in stock, ready to ship to you today.