Hertz – HEX 6.5 M-C



Hertz HEX 6.5 M-C 6-1/2″ Marine Coax Speaker Set – Charcoal
  • Polypropylene cone with a Rubber Surround
  • Maximum Power – 100W, RMS Wattage – 50W, Impedance – 4 Ohm
  • 0.9″ PEI Dome Tweeter
  • More Features!

10 in stock


Speaker Features

Hertz HEX 6.5 M-C Marine Coaxial Speaker

Speaker Features

High performance sound for the great outdoors

A rugged design, sleek style, and quality components make Hertz HEX 6.5 M marine speakers an outstanding choice for your outdoor adventures. These powerful 6-1/2″ speakers will handle up to 50 watts RMS, so they’ll cut through wind and engine noise to make your music sound great. And they’re available in Black or White, so you can choose the style that best suits your boat or off-road vehicle.

Built to perform

hese high-performance marine speakers are designed for infinite-baffle applications, so you can install them in just about any suitable location. Wherever they are, they’ll deliver outstanding high-end fidelity when you’re out on the water, with high-density magnets, UV-resistant polypropylene cones, and PEI dome tweeters that are optimized for off-axis dispersion.

Made for life on the water

The speaker basket and grille are made from a rugged, UV-resistant polymer that stands up to water, dust, and mud, while the sporty grille protects the tweeter from both dirt and damage. Nickel-plated terminals, silicone-insulated leads, sealed crossovers, and Santoprene rubber surrounds help keep these durable speakers performing at a high level.

These speakers come with the Hertz Pure Marine Certified Product stamp, which means they’re IP65-rated and meet ASTM-D4329 standards for UV resistance and ASTM-B117 for salt and fog. You’ll enjoy outstanding sound for seasons to come.

About Hertz

When you think of Italian cars, you think of style, performance, and awesome sound. Same goes for Italian audio gear. Hertz speakers, subs, and amps have made cars sound super since 1998. Known for great sound and technological innovation, high-end gear from Hertz will bring powerful performance audio to any vehicle or vessel.

Product highlights:

designed for marine applications

6-1/2″ polypropylene woofer

Santoprene rubber surround

1″ PEI dome tweeter with neodymium magnet

stainless steel tweeter grille

ound-transparent grille

nickel-plated, corrosion-resistant terminals

built-in crossovers

designed for infinite baffle applications


handles up to 50 watts RMS (100 peak)

frequency response 50-23,000 Hz

sensitivity: 88 dB

impedance: 4 ohms

cutout diameter: 5.012″

frame diameter: 6.5″

mounting depth: 2.442″

available in Black or White

warranty: 1 year

Our 60-day money-back guarantee

MFR # HEX 6.5 M-C

What’s in the box:

Hertz Marine HEX 6.5 M-C owner’s manual

Two 2-way marine speakers

2 Gaskets

2 Black grilles

Two 10′ Lengths of speaker wire (female quick slides on one end and bare wire on the other)

Eight 1″ Stainless steel screws

8 Stainless steel speed clips

Owner’s manual (English/ Spanish/ French/ German/ Italian/ Portuguese/ 28 Others)

Template on box

Speaker Specifications


Hertz HEX 6.5 M-C Marine Coaxial Speaker

Speaker Design 2-Way
DC Resistance (Ω) 4 Ohm (Ω)
Peak Power (Watts) 100W
Continuous Power (RMS) 50W
Sensitivity 88 dB at 1 watt
Effective Frequency Range 50 – 23k Hz
Mounting Hole Diameter 5 1/16 (128.59 mm)
Top Mount Depth 2 1/2
Bottom Mount Depth 3 1/4
Grille No
Warranty 1 Year

Additional information

Weight 6 lbs
Dimensions 17.00 × 8.75 × 4.50 in

Maximum Wattage


RMS Wattage

Speaker Design