Rockford Corporation and Helix Shake the Car Audio Market with new Premium Plug-and-Play.
Wednesday May. 4, 2011 - Media Contact: Scott Black | 214.520.3430 ext. 303 |

Rockford Corporation, the industry leader in high-performance car audio systems, and Helix, a German developer of HiFi systems, will introduce a new level of premium sound to factory-installed mobile sound systems, on May 2, 2011, with its new Helix Plug-and-Play, the PP50 DSP. This new digital signal processor has a number of features that allow audio enthusiasts to experience an amazing improvement in tonal quality, bass, mid-bass and imaging.

"We're continually seeking opportunities to bring car audio enthusiasts innovative and advanced products that fit a wide variety of tastes," explained Bill Jackson, CEO and president of Rockford Corporation. "As the exclusive North American distributor for the Helix brand, we're proud to offer their exceptional equipment with such a uniquely European flavor. Their new digital signal processor delivers the first-class sound that consumers expect from the Rockford family of products."

The new PP50 Digital Signal Processor offers many exciting features including:
  • • 16 easy to tune manual DSP adjustment via DIP-switches
  • • Easy installation with vehicle specific interfaces
  • • Input for MP3 player or portable navigation device
  • • Three time alignment modes
  • • Separate front/rear high-pass and subwoofer low-pass crossovers
  • • Downloadable setup files for wide variety of vehicles
  • • Improves signal before relaying audio to factory speakers
  • • Integrates into vehicle without cutting wires or cables
  • • Optional plug-and-play subwoofer available
  • • Optional USB interface available to adjust DSP
  • • Uses MicroSD memory cards

Consumers can also purchase an optional accessory, the PP7E. The dual 7" vented enclosure can be quickly installed or removed from the system, is perfectly matched for connection to the digital signal processor unit and has plug-and-play connectivity.

"The Helix PP50 offers the consumer a truly incredible upgrade over OEM sound. It is also unique in the fact that it is not a dedicated vehicle solution, it can easily be transferred to another vehicle making it an ideal choice for leased vehicles." said Dominick Aquilini, director of sales for Brax and Helix. "Each German-engineered, handcrafted design is built with precision using the latest advancements in technology that even the most discerning audiophile will enjoy."

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 four brands: Rockford Fosgate(R), Rockford Acoustic Design(TM), Lightning Audio(R) and Brax, Helix and Renegade. For more information, please visit:,,,, and

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