1 / 2

Hertz

#HEX 6.5 M-C-O

Hertz HEX 6.5 M-C-OCombines Timeless Marine Design

The HEX 6.5 M-C-O combines timeless marine design with the rugged performance expected from Hertz Marine. Featuring a Marine Total Black grille, this speaker adds a sleek, modern touch to any vessel while ensuring long-lasting protection in the harshest marine environments.

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
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)
Woofer Voice Coil Ø mm (in.)
25 (1)
Tweeter Voice Coil Ø mm (in.)
13 (0.5)

Key specs

Full specs
Component
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 HEX 6.5 M-C-O combines timeless marine design with the rugged performance expected from Hertz Marine. Featuring a Marine Total Black grille, this speaker adds a sleek, modern touch to any vessel while ensuring long-lasting protection in the harshest marine environments. Engineered and tested for real marine duty, the HEX 6.5 M-C-O delivers detailed, dynamic sound in a compact format, only 2.36 inches deep, making every voyage more enjoyable. Certified with the Hertz Pure Marine stamp, it meets IP65, ASTM-D4329 UV, and ASTM-B117 salt fog standards for maximum durability and performance. Its high-efficiency tweeter, optimized through FEM simulation, ensures perfect off-axis dispersion typical of in-boat installations, while the sound-transparent mesh grille with a twist-and-lock system guarantees elegance and solid protection. The 25 mm (1”) voice coil woofer, designed for infinite baffle applications, features silicone-insulated leads for extended reliability, complemented by a sealed built-in crossover with resettable tweeter protection and nickel-plated corrosion-resistant terminals. Pure style, powerful sound, and lasting protection, engineered for life at sea.
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.
  • IP CERTIFICATION
  • WATER JET TESTED
  • UV RESISTANT
  • SALT FOG TESTED
Technologies
IP CERTIFICATION

IP CERTIFICATION

WATER JET TESTED

WATER JET TESTED

The protection grade IP65 for speakers define all the Hertz Marine products as totally protected against water

UV RESISTANT

UV RESISTANT

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

SALT FOG TESTED

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

17
ComponentCOAX
Size mm (in.)165 (6.5)
Power Handling - Continuous W50
Power Handling - Peak W100
Impedance Ohm4
Depth mm (in.)85 (3.25)
Woofer Voice Coil Ø mm (in.)25 (1)
Tweeter Voice Coil Ø mm (in.)13 (0.5)
Frequency Response Hz50 ÷ 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 MagnetHigh density flux ferrite
Tweeter MagnetNeodymium
ConePolypropylene with UV inhibitors
DomePEI
Xmech mm (in.)±4,8 (0.19)

Electro-acoustic Specs

12
D mm125
Re Ohm3,3
Fs Hz78
Le mH0,109
Vas I6,52
Mms g13,5
Cms mm/N0,31
BL T*m4,8
Qts0,82
Qes0,95
Qms6,1
Spl dB88

Physical Specs

5
HEX 6.5 M-C-O
A172 mm | 6.77 in.
B128 mm | 5.04 in.
C85 mm | 3.25 in.
D60,5 mm | 2.38 in.
F24,5 mm | 0.96 in.

Frequency response

HEX 6.5 M-C-O

Visual spec reference.

Reviews (0)

No average rating yet

0 reviews

No written reviews are live yet. Signed-in customers can submit one below.

Own this product?

Share installation notes, sound quality feedback, and fitment tips. Customer reviews are saved in the same database and go live after moderation.

Checking account status...

No written reviews are live for this item yet.

Support