Maxxsonics USA is a leading manufacturer and distributor of quality car, marine and home audio/stereo products. Maxxsonics USA offers a complete line of sound component systems though it's family of brands which include: MB Quart, Hifonics, Crunch, and Autotek. Crunch has been shaking up the mobile industry for 30 years strong and offers only the "best in class" in car audio Amplifiers and high-performance Subwoofers and Speakers. Crunch introduced audio designs that have set new standards in mobile amplification. Crunch received glowing industry accolades and won countless awards and competitions.