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The marine environment presents a special challenge. Salt water,
high humidity, wide temperature range and relentless pounding from
the sun take a toll on speakers. Many marine speakers trade on-water durability for sound quality.
Not so with the MM651UM- a dedicated Ultra Marine model for your watercraft needs. Designed and styled
specifically for use in the marine environment, it isn't just car
speaker labeled for use on a boat. Use it in a speaker can or installed on your boat, it wworks great for both! A unique- tweeter on grille mechanism eliminates the traditional tweeter post resulting in a totally sealed front. With waterproof materials, it will stand up to the harsh marine enviornment while sounding great.
Features:
- Completely Sealed front design prevents water intrusion.
- Built-On Grille includes Tweeter Mount which eliminates
the traditional tweeter "stalk".
- Sealed Crossover Assembly is built Into Back of Magnet means
there’s no need to find room to hide an extra box.
- Stainless Steel Heavy Duty Input Terminals and mounting hardware will not corrode or tarnish.
- Passes The Most Rigorous 600 Hours of Salt Fog and UV Testing
(ASTM International B117-03 Standard Practice for Operating Salt Spray (Fog)
Apparatus and D4329-99 Standard
- Space Age Materials reduce weight of components while offering
rock solid reliability, advanced looks and ultra high performance.
- Neodymium Magnets a rare earth metal offering exceptional
strength to performance ratio, found only in the most exotic
speakers, saves tremendous weight. Don’t let the sound system
weigh your vehicle down. Since the magnet is smaller, the speaker can fit into more applications.
- Carbon Composite Basket based on the spokes of a wheel
is lightweight and will not flex.
- Woven Glass Composite Cones feature tremendous stiffness-to mass
ratio. Lower mass means faster transients and finer detail.
- Klippel Optimized Components using a state-of-the-art Klippel
Distortion Analyzer, Polk engineers were able to optimize the
woofer’s motor structure, voice coil alignment and suspension
for the best possible performance, even at extreme listening levels.
- Marine Certified Polk MM Series speakers are built tough to withstand the toughest environments so they are perfect for use in boats of all types. That's why Correct Craft offers Polk Audio speakers in their award-winning Nautiques ski and wakeboarding boats.
- Large-Diameter Voice Coils (30mm) in drivers increase reliability
and power handling capacity.
¹ Prices reflect manufacturer's US and Canadian suggested retail prices. Prices outside the United States and Canada will vary due to currencies, exchange rates, import tariffs and taxes, value added taxes and shipping and handling costs. Please contact your local distributor (see the listing on this Web Site) for accurate local prices. Retailers are free to establish their own selling prices.
² Shipping is available to US residents ONLY
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