Hertz
Hertz HEX 6.5 S-LD-SWMarine Coaxial
The new HEX 6.5 S-LD-SW Hertz Marine Coaxial features a sleek Silver White SPORT option grille with RGB LED lighting, perfectly blending style and performance to complement your boat’s design.
Highlights
- Hertz Pure Marine Certified Product stamp featuring the IP65 protection grade, ASTM-D4329 standards for UV resistance and ASTM-B117 for salt fog operability.
- High efficiency tweeter designed with FEM simulation to maximize off-axis emission, typical of in-boat install.
- Sound-transparent mesh grille with twist and lock locking system, providing an elegant style and a rock-solid protection.
- Woofer with 25 mm (1”) voice coil fine-tuned for infinite baffle application featuring silicone insulated lead-wire for durability.
Key specs
Full specs- 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 (3.25)
- Tweeter diaphragm mm (in.)
- 24 (0.9)
- Woofer Voice Coil Ø mm (in.)
- 25 (1)
Key specs
Full specs- Component
- SPORT LED COAX
- Size mm (in.)
- 165 (6.5)
- Power Handling - Continuous W
- 50
- Power Handling - Peak W
- 100
Highlights
Overview- Hertz Pure Marine Certified Product stamp featuring the IP65 protection grade, ASTM-D4329 standards for UV resistance and ASTM-B117 for salt fog operability.
- High efficiency tweeter designed with FEM simulation to maximize off-axis emission, typical of in-boat install.
- Sound-transparent mesh grille with twist and lock locking system, providing an elegant style and a rock-solid protection.
Overview
The new HEX 6.5 S-LD-SW Hertz Marine Coaxial features a sleek Silver White SPORT option grille with RGB LED lighting, perfectly blending style and performance to complement your boat’s design. Engineered and rigorously tested for marine applications, it delivers years of reliable enjoyment on the water. Despite its compact 6.5” size and shallow 2.36 in. mounting depth, this speaker offers detailed, dynamic sound that enhances every cruise and makes every outing unforgettable. The HEX SPORT grille is easily removable and designed to be painted in any custom color, allowing you to perfectly match it to your boat’s style and aesthetic.
Highlights
Key features
- Hertz Pure Marine Certified Product stamp featuring the IP65 protection grade, ASTM-D4329 standards for UV resistance and ASTM-B117 for salt fog operability.
- High efficiency tweeter designed with FEM simulation to maximize off-axis emission, typical of in-boat install.
- Sound-transparent mesh grille with twist and lock locking system, providing an elegant style and a rock-solid protection.
- Woofer with 25 mm (1”) voice coil fine-tuned for infinite baffle application featuring silicone insulated lead-wire for durability.
- Sealed built-in crossover with resettable solid-state tweeter protection circuit.
- Nickel-plated corrosion resistant terminals.
- RGB MULTICOLOR
- IP CERTIFICATION
- WATER JET TESTED
- UV RESISTANT
- SALT FOG TESTED
Technologies

RGB MULTICOLOR
Built-in RGB led lighting creates sophisticated atmosphere, adding tons of class to your vessel.

IP CERTIFICATION

WATER JET TESTED
IP65 speakers define all the Hertz Pure Marine Certified products as totally protected against water jets of

UV RESISTANT
According to the severe ASTM-D4329 standards for UV resistance, all the materials used for Hertz Marine products

SALT FOG TESTED
To satisfy the standards required by ASTM-B117, Hertz Marine products are tested with massive salt fog spray to
Specs
Technical Specs
18
| 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 (3.25) |
| 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) |
Electro-acoustic Specs
12
| D mm | 125 |
| Re Ohm | 3,3 |
| Fs Hz | 78 |
| Le mH | 0,109 |
| Vas I | 6,52 |
| Mms g | 13,5 |
| Cms mm/N | 0,31 |
| BL T*m | 4,8 |
| Qts | 0,82 |
| Qes | 0,95 |
| Qms | 6,1 |
| Spl dB | 88 |
Physical Specs
5

| A | 172 mm | 6.77 in. |
| B | 128 mm | 5.04 in. |
| C | 85 mm | 3.25 in. |
| D | 60,5 mm | 2.38 in. |
| F | 24,5 mm | 0.96 in. |
Frequency response

Visual spec reference.
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