MB Quart NK2-116W Nautic 6.5″ 2-Way Coaxial Marine Speakers – White – Pair

Brand: MB Quart
Model Number: NK2-116W
UPC: 806576225966
Model Number: NK2-116W
UPC: 806576225966
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MB Quart NK2-116W Nautic 6.5″ 2-Way Coaxial Marine Speakers – White – Pair

  • Water-resistant aramid fiber spiders
  • Front and rear cooling system
  • IPx67 certified for marine use
  • Lightweight composite frames
  • UV- and salt water-resistant
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Product Description

Features & Specifications



MB Quart NK2-116W Nautic 6.5″ 2-Way Coaxial Marine Speakers – White – Pair

NK2-116W, marine certified premium 6.5 inch coaxial speaker for boat, RV and off-road vehicle audio installations. These speakers feature water resistant midrange cones, titanium tweeters and rust resistant connectors. Sold in pairs with grills in white.

Massive sound and marine-rated durability

MB Quart’s NH1-116 marine speakers are a welcome guest at any party. The compression horn design means massive sound, while the marine-rated design ensures that the festivities will continue for seasons to come. Designed for boating or powersports applications, these powerful full-range 6-1/2″ speakers combine outstanding audio performance with outdoor-ready reliability.

Compression horn design

Compression horn designs dramatically improve speaker efficiency. And this is the fun kind of efficiency – it means it takes less amp power to produce more usable volume throughout the frequency spectrum. In other words, you can crank these speakers up and hear it all – highs, lows, and mids.

Quality components for impressive performance

The 1″ titanium dome tweeters, polypropylene cones, and built-in compression horns give you smooth response and seriously impressive volume. The voice coil is made from high temperature copper and wound on a Kapton former, so it’s light, powerful, and durable.

These speakers are vented front and rear, so air passes through the spider and the back plate to exchange air over the voice coil. As a result, they stay cool when they’re being pushed hard. There’s also a built-in crossover, so you’ll hear a smooth transition between high and low frequencies – not irritating distortion.

The UV-resistant cones are attached to the frame with durable butyl rubber surrounds and stabilized with woven fiber composite spiders that resist weather-and temperature related degradation.

Built tough to rock hard

These MB Quart speakers will perform in extreme conditions, with water-resistant components and super-strong composite baskets, magnet covers and grilles. The exterior surfaces are coated with special UV-resistant paint that stands up to broiling sunlight. Inside, the crossover network is conformal-coated to protect against fresh and salt water spray, not to mention dust and sand. In fact, your MB Quart speakers are IPX67-rated, which means they meet the highest standards of weather resistance.

More about MB Quart

Three decades of marine and powersports audio expertise goes into MB Quart audio gear. These rugged, high-quality receivers, speakers, amps, and subs provide great sound and rugged, all-weather reliability. The MB Quart “Life Shield” badge means your gear has been designed and tested to stand up to the toughest conditions on the water or off the beaten path.

Marine Grade Protection / IPX Rating

LIFE SHIELD: Protected for water and dirt. UV protected against sun fade. Longer life against harsh conditions. Protected against sun fade with UVA paint coating. Conformal coated crossover components protect against fresh and salt water spray as well as dust and sand. IPX67: Tested to the highest Marine and Motorsports standards for resisting the elements.


.75 Inch Pure Titanium Dome Tweeter: Very smooth musical response, high output with minimal required amplifier power.

Cone Material

6.5 Inch Composite Poly Midrange: Water resistant composite polypropylene cone with temperature stable Butyl rubber surround mounted on a lightweight composite frame.

Surround / Cone Coupling

Natural Butyl Rubber: Remains musical in all weather. Does not stiffen in cold.

​Voice Coil / Former Assembly

High Temperature Voice Coil and Former: Voice coil is high temperature copper, wound on a Kapton former which allows the voice coil to handle more power while remaining light in weight.


Water resistant spider: oven fiber composite spider to stabilize the cone and voice coil in all musical situations.

Cooling System

Front and Rear Venting: Air passes through the spider and back plate to exchange air over the voice coil.


Marine Certified Crossover: Conformal Coated, Butterworth 12dB per octave crossover with PTC (Positive Thermal Coefficient) tweeter protection. Smooth transition from high to lower frequencies remain musicial and not harsh or distorted.


Composite ABS and glass fiber frame: Composites add strenth to the frame without adding distortions or harmonics that can affect the tonal quality of the speaker.


High Energy Y30 Motor assembly: High energy strontium ferrite magnet for higher output with minimal amplifier power.


Composite: UV treated against sun fade and waterproof.

Brand MB Quart   Model MB Quart NK2-116W
Product: MB Quart NK2-116W Nautic 6.5" 2-Way Coaxial Marine Speakers - White - Pair

Speaker Size: 6 1/2
Design: 2-way
Tweeter Design: 1" Compression Diaphragm
Tweeter Composition: Titanium
Woofer Composition: Polypropylene
Woofer Surround: Butyl Rubber
Sensitivity: 92 dB at 1 watt
Frequency Response: 30 – 24k Hz
Max RMS Power Handling: 75
Peak Power Handling: 150 Watts
Impedance: 4 Ohms
Top-mount Depth: 3 7/16"
Cutout Diameter or Length: 5 5/8"
IPX Rating: IPX67

What's in the box

MB Quart NH1-116W owner's manual
Two 2-way marine speakers
Quick start installation guide
Specifications printed on the box

Speaker Design

2-Way, Coaxial

Speaker Sensitivity

91 – 95 db

RMS Power

101 to 200 Watts


4 Ω

IPX Rating


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MB Quart Canada 1 Year Limited Parts and Labor Warranty


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