Rockford Fosgate Returns to 2023 California 300 as Supporting Sponsor
California 300 officials are pleased to announce the return of Rockford Fosgate® as a supporting sponsor for the second consecutive year. Rockford Fosgate® will be showcasing their line of purpose-built audio products at the midway during this year’s event, which will return to Barstow, California on October 4-8. In addition, the Rockford Fosgate® Polaris Ranger will be back on hand to share free merchandise with off-road racing fans!