Founded in 1998 under Elettromedia in Potenza Picena, Italy, Hertz has become a benchmark in mobile audio systems—from its early Hi‑Energy woofers to today’s Mille, SPL, Cento, Dieci, and Uno series. Built on cutting-edge innovations—like V‑cone woofers, Boundary‑Free surrounds, Tetolon tweeters, and rotary HF filters—Hertz consistently delivers clarity, power, and emotion at every volume level
With decades in car audio, K & M knows how to unlock the full potential of Hertz systems. We focus on achieving your unique sound goals—whether you want pristine OEM-like clarity or heart-thumping SPL performance—while maintaining seamless integration and exacting installation standards.