Just after a few years, our German brand with American roots is already internationally renowned. In America, Ground Zero has been the leading manufacturer for subwoofers with large surrounds. Today the company with its worldwide distribution in more than 65 countries offers a complete range of over 400 car hifi products, all developed in Germany. The Ground Zero brand, which is trademarked world-wide, is one of the world’s most respected names in car hifi. The best evidence is provided by comparison-tests in independent trade magazines in which the Ground Zero products have consistently placed by the winner’s circle with best ratings for price / performance, features and quality.