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Orban/CRL Promotes Connie Chandler to Controller

Tempe, Arizona, August 7th, 2007 — Circuit Research Labs, Inc. (OTC/BB: CRLI) parent company of CRL Systems, Inc. dba Orban, a worldwide leader in audio processing for AM, FM, TV, and Internet broadcasting, has announced that Connie Chandler has been promoted to Controller.

In announcing the appointment, the company Chairman, President and CEO C. Jayson “Jay” Brentlinger said, “We were very fortunate to have a person of Connie's abilities and professionalism available for promotion into this critical position inside our company.”

“I look forward to the challenge ahead of me with this new position,” Chandler said. “We enjoy working with each other in our department and it is our goal to maximize efficiency in the accounting aspects of our company.”

Prior to being appointed to her new position, Connie held the Accounting Manager job for Orban/CRL in Tempe. A graduate of Arizona State University, Connie has been in the accounting field for over 20 years and has held the Controller position previously in her career.

Circuit Research Labs, Inc. Forward-Looking Statements
This news release may contain “forward-looking” statements within the meaning of the Private Securities Litigation Reform Act of 1995. Management's anticipation of future events is based upon assumptions regarding levels of competition, research and development results, raw material markets, the markets in which the company operates, and stability of the regulatory environment. Any of these assumptions could prove inaccurate; and therefore, there can be no assurance that the forward-looking information will prove to be accurate.

About Circuit Research Labs, Inc.
Circuit Research Labs, Inc. is a manufacturer of high-quality digital and analog audio processing, transmission encoding, and noise reduction equipment. Circuit Research Labs, Inc. is in the market for radio, TV and Internet audio processing. As technology evolves, Circuit Research Labs continues to innovate with state-of-the-art audio processing products for DAB, DTV and streaming media. The Company purchased Orban® in May of 2000. Orban was founded in 1970 by Bob Orban, who is the world's foremost expert in transmission audio processing for broadcast. Orban leads the industry in the design and manufacture of audio processors for radio, television and Internet broadcasting. Recognized for its standard-setting Optimod® digital audio processors and the Opticodec® codecs, the Orban name has become synonymous with reliable, high performance products. Today, its versatile audio processing equipment and codecs are the products of choice in fast-paced production environments worldwide.

For more information contact David Rusch at phone +1 (480) 403-8300, fax +1 (480) 403-8301 or e-mail: drusch@orban.com. Information is also available at www.orban.com and www.orban-europe.com.

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