Radio Design Labs Inc. Now on Capitol’s Menu Capitol now offers AV and control products from Radio Design Labs Inc.RS Staff ⋅ Sep 12, 2017 Capitol now offers AV and control products from Radio Design Labs Inc. (RDL), a company that provides application-specific electronic modules in the commercial and residential channels. Based in Prescott, AZ, RDL is making a wide range of products available to Capitol’s customers, including stereo and mic stereo line audio mixers, audio converters, power supplies, transformers, attenuators, and a microphone preamp. “RDL is one of those companies that approaches familiar product concepts with fresh thinking,” said Curt Hayes, president and CFO, Capitol. “Consider innovations such as RDL’s single-function modules that enable multiple features to be added to AV system designs. It’s that type of innovative thinking that makes it one of the most in-demand brands in both the commercial and residential sides of the business.” The company’s concept of application-specific modules is acclaimed for promoting unsurpassed value and performance. RDL continues to lead the industry with solutions to specific problems as well as building blocks of quality system designs.