Hertz
HERTZ HMX 6.5 LD / HMX 6.5-LD-C MARINE COAX RGB LED
Best marine speakers for boaters wanting high-fidelity sound and customizable lighting.
Elevate your marine audio experience with the HERTZ HMX 6.5 LD coaxial speakers. Designed for demanding marine environments, these speakers feature integrated RGB LED lighting for customizable ambiance. Optimized for infinite baffle performance, they deliver robust bass and clear, powerful sound. The acoustic lens tweeter ensures excellent off-axis dispersion, while the durable, UV-resistant construction withstands water, dust, and mud. Enjoy high-fidelity audio engineered for open-air, challenging conditions with these robust and stylish marine speakers.
$429.99
Owner Satisfaction
4.7
/ 5
Category Rank
19
/ 495
#19 in Marine Speakers
Price vs Category Average
+41%
Above average
Power Handling (Peak)
150
/ W
Who it's for
- Audiophiles seeking clear, powerful sound in open-air marine settings
- Boat owners needing reliable gear for harsh saltwater environments
- Boaters wanting to customize their vessel's nighttime aesthetic
Who should skip it
- Owners of smaller vessels with limited mounting depth availability
- Budget-conscious buyers looking for entry-level marine audio solutions
- Installers wanting a simple, plug-and-play setup without complex wiring
Performance breakdown
Marine Durability
UV-resistant materials and corrosion-proof hardware thrive in harsh saltwater environments.
Bass Response
Infinite baffle optimization delivers punchy, resonant low-end in open-air settings.
Sound Dispersion
Acoustic lens tweeter ensures consistent audio quality across the entire deck.
Visual Customization
Integrated RGB lighting offers vibrant, versatile ambiance for evening boat outings.
Power Efficiency
High sensitivity rating allows for impressive volume without needing massive amplification.
Build Integrity
Co-molded Santoprene surrounds provide long-term protection against moisture and debris.
Key Specs
Power Handling (Peak)
150 W
Power Handling (RMS)
75 W
Impedance
4 Ω
Frequency Response
50 – 25,000 Hz
Sensitivity
89 dB SPL (1W/1m)
Woofer Size
6.5 inches (165 mm)
Tweeter Size
1.4 inches (36 mm)
Grille Material
Stainless Steel
Features
- Customizable RGB LED lighting.
- Optimized for infinite baffle performance.
- Superior off-axis sound dispersion.
- Durable, marine-grade construction.
- High-excursion design for powerful output.
- Includes attractive stainless steel grille.
- Co-molded Santoprene rubber surround.
- Built-in passive crossover network.
What customers say
Customers view the Hertz HMX 6.5 LD speakers as a top investment due to superior audio fidelity and robust marine engineering. Reviewers consistently praise the crisp highs and rich mid-bass, noting remarkable clarity even at speed or in noisy conditions. The integrated RGB lighting is a highly appreciated aesthetic enhancement, adding a vibrant, customizable atmosphere to vessels. Durability is a major highlight; the marine-grade construction instills high confidence in longevity against salt and sun. While the initial cost is premium, the consensus is that these speakers deliver substantial value by transforming the on-water audio experience. The combination of renowned acoustic engineering and reliable visual flair positions them as a benchmark for uncompromising quality.
Know before you buy
No, these speakers are specifically optimized for infinite baffle performance. This means they are designed to perform optimally when mounted directly into a boat's hull or panel without the need for a dedicated speaker box.
The speakers feature integrated RGB LED lighting that requires a compatible external RGB controller to manage colors and lighting patterns. Please note that the controller is not included with the speakers.
Yes, they are built with marine-grade materials, including a co-molded Santoprene rubber surround and corrosion-resistant hardware. They are engineered to withstand harsh marine environments, including exposure to water, dust, and UV rays.
While these speakers can be powered by a standard head unit, they are rated for 75W RMS. To get the best sound quality and reach their full potential, we recommend pairing them with an external marine amplifier.
The acoustic lens tweeter is designed to improve off-axis sound dispersion. This ensures that the high-frequency audio remains clear and crisp even when you are not sitting directly in front of the speakers, which is common in open-air marine settings.
Yes, the speakers include attractive stainless steel grilles that are designed to protect the driver while maintaining a sleek look. They are durable and built to resist the corrosive effects of a marine environment.
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$430