The HMX 7.7 S-LD-G.2 represents the evolution of the Hertz Marine SPORT line, engineered to deliver superior audio performance and a distinctive visual impact in any marine environment. This version features the dedicated Gray sport grille, designed to deliver a bold and contemporary look, perfectly suited for modern and sporty boat interiors. The new generation introduces a refreshed design with a redesigned central element and parametric mesh grille, ensuring both visual impact and seamless integration. At the core of the upgrade is the completely re-engineered crossover, developed to deliver a more exciting and engaging sound experience, with enhanced clarity and dynamics even in open-air conditions. Built with marine-grade materials – including UV- and salt-resistant ASA grille, polypropylene cone, and Santoprene™ surround, the HMX SPORT.2 ensures long-lasting durability and reliability in the harshest environments. The integrated RGB LED lighting allows full customization of the onboard atmosphere, perfectly matching any vessel style.
| Component | HI-END LED COAX |
| Size mm (in.) | 196 (7.7) |
| Power Handling - Continuous W | 100 |
| Power Handling - Peak W | 200 |
| Impedance Ohm | 4 |
| Depth mm (in.) | 113 (4.4) |
| Tweeter diaphragm mm (in.) | 36 (1.4) |
| Woofer Voice Coil Ø mm (in.) | 32 (1.26) |
| Tweeter Voice Coil Ø mm (in.) | 20 (0.8) |
| Frequency Response Hz | 45 ÷ 25k |
| Woofer Magnet size D x d x h mm (in.) | 90 x 40 x 20 (3.54 x 1.57 x 0.79) |
| Tweeter Magnet size D x h mm (in.) | 19,7 x 3 (0.78 x 0.12) |
| Weight of one speaker kg (lb.) | 1,66 (3.66) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Polypropylene with UV inhibitors |
| Dome | PEI |
| Xmech mm (in.) | ±8,5 (0.33) |
| D mm | 146 |
| Xmax mm | 6 |
| Re Ohm | 3.3 |
| Fs Hz | 60 |
| Le mH | 0.56 |
| Vas I | 12.50 |
| Mms g | 22 |
| Cms mm/N | 0.32 |
| BL T*m | 6 |
| Qts | 0.72 |
| Qes | 0.76 |
| Qms | 11.8 |
| Spl dB | 91 |
The HM RGB 1 BK enhances your experience with multicolor LED lighting that can be changed to fit your mood or craft. Is composed by an RGB CONTROLLER specifically developed for HMX LD option models including a radio frequency remote control with a wide
array of functionalities ranging from the selection of the color better matching your boat/ATV/motorcycle to the creation of a lighting game reacting to music tempo.
Hertz Pure Marine Certified: IP65 protection grade, compliant with ASTM-D4329 (UV resistance) and ASTM-B117 (salt fog), ensuring long-term durability in harsh marine environments
Completely re-engineered crossover, sealed and protected, with resettable solid-state tweeter protection for a more engaging, dynamic, and reliable sound performance
1.4” Neodymium tweeter with PEI dome, optimized with faceplate and acoustic lens for superior off-axis dispersion and higher SPL
Sport grille with parametric mesh design, acoustically transparent for efficient high-frequency transfer, enhanced protection, and a bold, modern look
Long-throw woofer with 25 mm (1”) voice coil, specifically tuned for infinite baffle applications to deliver powerful and controlled low-end
Marine-grade construction, including UV- and salt-resistant materials for maximum reliability over time
Gold-plated corrosion-resistant terminals, ensuring stable and long-lasting electrical connections
Integrated RGB LED lighting, for full customization of the onboard atmosphere