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Rockford Fosgate Awarded U.S. Patent for 'Clean' Circuit Technology in Punch and New Power Amplifiers

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Rockford Corporation
546 S. Rockford Dr.
Tempe, AZ, 85281

Press release date: May 5, 2014

TEMPE, Ariz. – Rockford Fosgate, the industry leader in high-performance car audio systems, announced that its C.L.E.A.N. level setting technology, currently featured in its PUNCH and new POWER amplifiers, has been awarded a U.S. Patent (#8712066). This technology helps match the vehicle's source unit to the amplifier, therefore optimizing the amplifier's gain settings to produce optimum power output. This is all done by on-board clipping detectors.

"Adjusting your amplifier gain to match the maximum usable output voltage of the audio source is an often misunderstood task," explained David Baker, Rockford Corp. director of electrical engineering. "It is known that accurate gain setting is essential to achieving optimum system performance. With the ability of C.L.E.A.N. to indicate the audio sources maximum capability, the feature serves to quickly and easily answer the question 'Where do I set my gain?' Incorporating this technology into our products enhances performance and improves ease-of-use."

C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) level setting is a Rockford Fosgate-developed technology with on-board input/output clipping indicators, allowing the installer to precisely tune the amplifier to the optimum power for their desired performance before clipping occurs and, thus, eliminating speaker-damaging distortion. Three indicators (blue, blue/red, red) on the amplifier's top mount control boards monitor the exact point in which the ideal signal and power are being utilized. Once this occurs, the "blue/red" indicator tells the installer that optimum performance has been achieved, and so once set it never has to be configured again.

"The C.L.E.A.N. patent award is a great achievement, and I congratulate all of my Rockford teammates that contributed to an outstanding result," added Baker.

Please contact Rockford Fosgate for additional information. For more information on Rockford Corporation, please visit

About Rockford Corporation
Setting the standard for excellence in the audio industry, the Rockford Corporation markets and distributes high-performance audio systems for the mobile audio aftermarket and OEM market.  Headquartered in Tempe, Ariz., Rockford Corporation is a publicly traded company and manufactures its products under six brands: Rockford Fosgate®, Rockford Acoustic Design™, Lightning Audio® and Brax, Helix and Renegade. For more information, please visit:,,,, and

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