Hertz Audio Speakers

Hertz Audio Speakers: Italian Engineering Meets the Open Road

Hertz Audio has spent decades earning a reputation as one of the most respected names in car audio, and nowhere is that reputation more evident than in their speaker lineup. Since the launch of the Hertz brand in 1998, the company hasn't stopped innovating, receiving numerous industry awards and building an outstanding track record of world-class products. What separates Hertz from the crowd isn't just premium materials — it's a suite of proprietary technologies engineered specifically for the acoustically challenging environment inside a vehicle.

Proprietary Technologies That Define the Sound

Hertz produces high-performance car audio systems driven by research, including technologies such as V-cone®, Boundary Free Surround, Tetolon Fibre, and Rotary High Frequency Contour. Each of these innovations addresses a specific acoustic challenge:

• V-cone®: The V-cone® and Boundary Free Surround technologies allow woofers to achieve outstanding dispersion and generate high SPL with compact dimensions.
• Tetolon Fibre Dome: The Tetolon Fibre dome features a hemispheric-hyperbolic profile for maximum rigidity and linear frequency response beyond the audible range.
• RHFC (Rotary High Frequency Contour): Specifically developed for coaxial components, RHFC technology provides the ability to control dispersion and obtain an ideal frequency response.
• Aerodynamic Basket Design: The aerodynamic die-cast aluminium basket reduces back wave reflections and provides high mechanical damping, eliminating rear wave reflections.

Speaker Lines for Every Enthusiast

Hertz audio speakers are dedicated to purists, aiming at achieving maximum timbre consistency combined with very high dynamics and extremely extended frequency response. To serve audiophiles at every level, Hertz offers several distinct speaker families:

• Mille Pro: The flagship line. The Mille line is enhanced with systems, coaxials, and Pro components, dedicated to enthusiasts yearning for the authentic Hertz Mille listening experience. These speakers are built around precision-tuned voice coils and oversized magnets for uncompromising dynamics.
• Hi-Energy (HSK Series): The Hi-Energy System line includes a wide range of complete kits, consisting of the excellent HT 25 neodymium tweeter and HV woofers, individually combined with a special crossover. The HSK 163, for example, is a three-way car audio speaker system deriving from the combination of an HV 165L woofer, HL 70 full-range, and HT 25 tweeter.
• Dieci: The Dieci line is the perfect choice for those who want a high-quality sound system with easy, affordable placement into factory speaker locations. The Dieci.3 line includes ten coaxial models, differing in terms of size as well as the number of transducers, from as small as 87 mm in diameter up to 7"x10".
• SPL Show: Built for maximum output and competition use. The SV 165 NEO and SV 200 NEO feature compact dimensions and light weight while preserving excellent performance through Neodymium N38 H motor units, with cones treated for waterproofing and anti-UV protection, and motor units painted with cataphoresis with insulated lead-wires to avoid oxidation.

Who Are Hertz Speakers For?

Whether you're replacing factory speakers in a daily driver, building a competition-grade sound system, or upgrading a powersports or marine application, Hertz has a speaker engineered for the task. The enthusiasm for music lies at the heart of everything Hertz does — over the years, the company has built a team of talented and passionate engineers committed to designing products at the top level of audio performance, with each new project starting from the needs of fans and enthusiasts. The result is a portfolio of speakers that bridges Italian acoustic artistry with real-world installation flexibility.