Hertz Marine HEX 6.5 S-LD-G 6.5 Inch 2 Way RGB LED Coaxial Speakers 50w RMS
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The Hertz Marine HEX 6.5 S-LD-G is a 6.5 inch (165 mm) 2-way coaxial marine speaker with integrated RGB LED lighting and a removable Sport grille. Rated at 50W RMS (100W peak) at 4 ohms, it carries the Hertz Pure Marine Certified IP65 rating and is part of the Hertz Marine HEX range.
This listing is the S-LD-G (Sport grille). The HEX 6.5 is also available in S-LD-SW (Silver White grille).
Key specifications
- Size: 6.5 inch (165 mm) 2-way coaxial
- Lighting: Integrated RGB LEDs
- Power: 50W RMS, 100W peak
- Impedance: 4 ohms
- Mounting depth: 60.5 mm (2.38 in)
- Overall depth: 85 mm
- Frequency response: 50 Hz – 23 kHz
- Protection: IP65, ASTM-D4329 UV, ASTM-B117 salt fog
- Grille: Sport grille (removable, paintable)
S-LD-G or S-LD-SW?
Both variants share the same 6.5" coaxial driver, RGB LED lighting and IP65 marine rating. The S-LD-G has the Sport grille finish; the S-LD-SW has a Silver White grille. Both grilles are removable and can be painted to a custom colour to match your boat's trim.
Pair the HEX 6.5 S-LD-G with the HM RGB 1 BK controller to set the LED colour or sync the lighting to music.
Features
- Integrated RGB LED lighting, controllable via the HM RGB 1 BK accessory.
- Hertz Pure Marine Certified: IP65 protection, ASTM-D4329 UV resistance and ASTM-B117 salt fog operability.
- High-efficiency tweeter designed with FEM simulation to maximise off-axis emission — suited to typical in-boat installations.
- Sound-transparent mesh grille with twist-and-lock system for a secure fit and solid protection.
- Woofer with 25 mm (1") voice coil, fine-tuned for infinite baffle applications, with silicone-insulated lead-wire.
- Sealed built-in crossover with resettable solid-state tweeter protection circuit.
- Nickel-plated, corrosion-resistant terminals.
Explore the full range in Speakers.
Specification
| Component | SPORT LED COAX |
|---|---|
| Size mm (in.) | 165 (6.5) |
| Power Handling | - Continuous W 50 |
| Power Handling | - Peak W 100 |
| Impedance | Ohm 4 |
| Depth mm (in.) | 85 (3.35) |
| Tweeter diaphragm mm (in.) | 24 (0.9) |
| Woofer Voice Coil Ø mm (in.) | 25 (1) |
| Tweeter Voice Coil Ø mm (in.) | 13 (0.5) |
| Frequency Response | Hz 50 ÷ 23k |
| Woofer Magnet size D x d x h mm (in.) | 85 x 32 x 15 (3.35 x 1.26 x 0.59) |
| Tweeter Magnet size D x h mm (in.) | 12,9 x 2 + 11 x 1,9 (0.51 x 0.08 + 0.43 x 0.07) |
| Weight | of one speaker kg (lb.) 1 (2.2) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Polypropylene with UV inhibitors |
| Dome | PEI |
| Xmech mm (in.) | ±4,8 (0.19) |
What's Included
- HEX 6.5 S-LD-G
Hertz
About the Hertz HEX 6.5 S-LD-G
From our tech experts at CEN
Marine-grade HEX series 6.5 inch coaxial speakers handling 50w RMS, built with UV-stable materials and corrosion-resistant hardware for life in sun, salt and spray.
Who it suits
Boats, ribs and open builds, and campers with an outdoor listening area. Anything mounted where rain reaches it should be marine-rated, whatever the vehicle.
Our tech experts advise
In a marine install the wiring decides longevity: tinned cable, sealed joints and a properly fused feed. Mounting position affects the sound more than the speaker choice, because there are no cabin walls to help you. get in touch and we will talk through mounting, wiring and power for your boat.
Explore the full Hertz range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Hertz
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Frequently Asked Questions
Q: What makes marine speakers different from car speakers?
A: Marine speakers are built with UV-stable, water-resistant cones, grilles and hardware designed for open-air and wet environments. They are the right choice for boats, jet skis, hot tubs and outdoor installs.
Q: Are these speakers fully waterproof?
A: Marine speakers are water-resistant to marine ratings rather than submersible. The IP rating, where provided, is listed in the Specification tab.
Q: Do I need a marine amplifier as well?
A: For best results, yes. Marine amplifiers carry conformal-coated boards that resist moisture and salt air. Match the amplifier to the RMS rating in the Specification tab as you would with any system.
Q: Will these work outside of marine use?
A: Yes. Marine speakers are popular for motorcycles, quads, hot tubs, garden bars and anywhere the weather reaches. Their durability makes them a strong outdoor choice.
Q: What power does the HEX 6.5 S-LD-G handle?
A: 50W RMS continuous and 100W peak, at 4 ohms.
Q: What mounting depth does the HEX 6.5 S-LD-G need?
A: It is a 6.5 inch (165 mm) speaker with a mounting depth of 60.5 mm (2.38 in) and an overall depth of 85 mm.
Q: How do I control the LEDs on the HEX 6.5 S-LD-G?
A: The integrated RGB LED lighting is controlled with the Hertz HM RGB 1 BK accessory, which includes a radio frequency remote for colour selection and music-reactive lighting.
Q: Can I paint the HEX 6.5 S-LD-G grille?
A: Yes. The HEX SPORT grille is easily removable and designed to be painted in any custom colour.
