Mobile Enhancement Industry Profile: John Brettle of Cartunes Atlanta
John Brettle got his start in the mobile enhancement industry in 1991. Even as a child, he enjoyed building things and loved both cars and music. In high school, he took art and shop classes and frequently found himself helping friends construct subwoofer enclosures and install amplifiers in his parents’ driveway. John told us that he’s worked at four shops over his career and Read more