Polk Audio engineers the MMC Series speakers for championship performance — legendary Italian design firm MOMO makes them look great! These upper-echelon coaxial speakers deliver component speaker sound quality in an easy-to-install, stylish package.

The Polk/MOMO MMC570 5"x7" speaker features a lacquered carbon-fiber woofer that provides the ideal balance of low weight and high rigidity. The woofer's Kapton voice coil former and flat Nomex spider contribute to high power handling capability. An airtight rubber surround stands up to humidity and heat for long-term reliability. The smooth-sounding 1" silk/polymer dome tweeter delivers direct, detailed imaging.

The vented cast-aluminum basket provides a totally non-resonant platform, so speaker output is uncolored. A high-quality outboard 2-way crossover ensures that each driver sees only the frequencies it was designed to reproduce. Dual nickel-plated terminals are provided for amplifying the woofer and tweeter separately. The speaker's low-profile and shallow depth allow easy installation in most vehicles. Grilles are not included — factory grilles are appropriate for most installations.

Priced per pair

Product Highlights:

  • 2-way car speakers for 5"x7" and 6"x8" openings (pair)
  • lacquered carbon-fiber woofer with Santoprene rubber surround
  • non-resonant aluminum basket
  • 1" silk/polymer dome tweeter
  • dual nickel-plated terminals for biamping
  • outboard 2-way crossover
  • power range: 10-80 watts RMS
  • peak power handling: 160 watts
  • frequency response: 40-25,000 Hz
  • sensitivity: 90 dB
  • top mount depth: 2-9/16"
  • warranty: 3 years
  • Our 60-day money-back guarantee

Why replace your car's original speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Hands-on research

What's in the box?

Download owner's manual

  • Two 2-way speakers
  • 2 Crossovers (each crossover has 39" input leads and 19" output leads)
  • 2 ABS magnet boots (one installed on each speaker)
  • 4 Phillips head self-tapping screws
  • 8 Allen head self-tapping screws
  • 8 Speed clips
  • Owner's Manual
  • Online registration sheet
  • "Secure the Magnet Cup" sheet

Features and Specs

General
Design 2-way
Tweeter Design 1" Dome
Tweeter Composition Silk/Polymer composite
Woofer Composition Lacquered carbon-fiber
Woofer Surround Rubber
Parts Warranty 3 Years
Labor Warranty 3 Years
Specifications
Sensitivity 90 dB at 1 watt
Frequency Response 40 - 25k Hz
RMS Power Range (Watts) 10-80
Peak Power Handling (Watts) 160
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 9/16
Bottom-mount Depth (Inches) 2 3/4

Product Research

Features
Specifications Note

Features

Dynamic Balance: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion.

Marine Certified: Polk/MOMO Series speakers are built to withstand exposure to moisture and UV rays, so they work well in boats and cars.

Lacquered Carbon-fiber Woofers: The lacquered carbon-fiber cones provide the ideal balance of stiffness and low mass for the clearest, most detailed midrange performance, and lowest distortion, of any speaker in its class.

Rubber Surrounds: The airtight rubber surrounds stand up to moisture, sunlight and extreme temperatures while allowing long excursion linear motion and years of reliable use.

1" Silk/Polymer Composite Tweeters:  The 1" liquid-cooled, silk/polymer composite tweeters provide clear, detailed highs.

Cast Aluminum Baskets: Each speaker has a channel-vented, acoustically inert cast aluminum basket for superior stiffness and better heat dissipation.

1" Kapton Voice Coils and Formers: Laser-based, Klippel-optimized, channel-vented 2-Layer 1" Kapton voice coils and formers offer high heat dissipation and extreme power handling.

NOMEX Spiders: The strong, fire-retardant flat NOMEX spiders allow extended linear motion while providing highly reliable mechanical and thermal stability.

Dual Nickel-plated Terminals: Each speaker has dual nickel-plated terminals for component-like connections.

ABS Magnet Boots: Each speaker features a waterproof, anti-resonant ABS magnet boot, which is removable for installation flexibility. With the magnet boots installed, each speaker has the following dimensions:

  • Magnet Diameter: 3.657"
  • Depth as top: 2.759"
  • Depth as bottom: 2.948"

Crossovers: The 2-way crossovers have big components for better dynamic impact and transparency. Each crossover has the following dimensions: L=4.698", W=2.426", H=1.033".

Crossover Connections: Each crossover input lead is terminated with tinned wire, and the two output leads (one for the woofer and one for the tweeter) are terminated with female quick-slides. The positive woofer lead has a 0.250" female quick-slide and the negative woofer lead has a 0.187" female quick-slide. The positive tweeter lead has a 0.187" female quick-slide and the negative tweeter lead has a 0.110" female quick-slide. These quick-slides connect directly to the woofer and tweeter terminals on each speaker.

Specifications Note

ABS Magnet Boots: Each speaker comes with an ABS magnet boot installed, however, the Crutchfield database measurements were taken with the magnet boots removed. With the magnet boots installed, each speaker has the following dimensions:

  • Magnet Diameter: 3.657"
  • Depth as top: 2.759"
  • Depth as bottom: 2.948"

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Polk/MOMO MMC570 Reviews

Average Customer Review:

8 reviews
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WOW!

Written By James, Texas on Friday, August 29, 2008

Crutchfield Customer Review (What's this?)

I replaced a set of Pioneers that had started making a weird noises. All I can say is WOW. I should have upgraded sooner. Theses are without a doubt the best factory replacement speakers I have ever purchased. (I have purchased Pioneer & Infinity before) The information on theses speakers say they won't fit in the front doors of a 2002 F250 Superduty....But they will. The tweeter does push against the speaker grill though. They make the speaker grill protrude less than 1/8 of an inch. This shouldn't hurt anything. They sounded so good within the next couple of days after listening to them I ordered a second pair to stick in the rear speaker locations. If you want a well rounded speaker that sounds noticeably better than stock don't hesitate...buy a pair of these and you will hear the difference.

POLKS TO THE FRONT, ALPINES TO THE BACK

Written By TERRY, TUCSON, AZ on Thursday, May 29, 2008

Crutchfield Customer Review (What's this?)

THESE REPLACED ALPINE S 5X7 SPEAKERS IN THE FRONT OF MY F-150, THEY ARE VERY DETAILED AND THE SOUND STAGE IS MUCH BIGGER. FOR THE PRICE I DON'T THINK YOU COULD GET A BETTER SPEAKER THAN THIS. THE ALPINES ARE NOW IN THE BACK OF MY SUPER CREW AND THEY SOUND GOOD FOR THE PEOPLE THAT RIDE IN THE BACK.

good but...

Written By jake, houston, TX on Wednesday, February 20, 2008

these speakers are some of the best i've come across but they do not fit in the rear of a 1999 ford ranger crew cab. thats pretty dissappointing since i was so excited about getting these excellent speakers.

Great Sound!!!!

Written By AB, Houston, Texas on Tuesday, November 06, 2007

I have these speakers installed in my front doors of my 03 F-150 and they sound awesome!!! The high are very distinct and the bass from the woofer is solid. I have polk db's in the rear doors and you can hear the difference between them. I just wish they would fit in the rear doors as they do in the front. Great product and definitely would buy again and from Crutchfield.

Will Not Own Another Brand!!!!!!!!!!!!!!!

Written By Joseph, Weaver, AL on Sunday, July 22, 2007

These 5x7's sound just as good as my momo 6x9's. Man, I'm speechless!!! Remember the matting!! You will not be disappointed!!! I have nothing left to say!!

Carbon fiber...sounds great & sexy too!

Written By james, Trenton, NJ on Wednesday, March 22, 2006

I have these carbon fiber speakers in my door panels. They are solidly constructed and quite beautiful to look at too. This wouldn't make a whit of difference if the sound was inferior but these speakers are sonically terrific which makes them not only pleasing to the eye. I don't think a person would be disappointed with these speakers!

Nice sound

Written By Rick, Orlando, Fl on Wednesday, February 22, 2006

I picked these up to replace my factory speakers. I grabbed just one pair for the fronts for now since the rears are more ambient then anything. A real improvement. They are running off the factory HU so they could be better with an amp. CDs sound really clear with these, tho as any non sub, you won't get deep bass. You will hear the thumps, but only faint booms from the deeper bass. They are rated to handle 40hz, so I'm wondering if with a small amp they'd sound more full. I compared these to Boston Acoustic, JL Audio and Pioneer. The Pioneer was a joke, the JL Audio were very detailed but very limited with bass response-I guess they are desinged to be used with a sub as the bass rolled off very high and there were no mid bass responces. The BA were nice and had a little more bass, but none came close to the Polk which wasn't as harsh as the JL Audio and had more bass then the BAs.

Good repalcements for factory speakers off a HU knowing a sub/amp gives you real bass.

Polk/MOMO MMC570

Written By Mike, San Diego, CA on Sunday, February 19, 2006

I have never been more happy with a pair of speakers. They handle all the power you can give them, up to 80 watts rms and peaking at 160! The rigid carbonfiber woofer gives music an excellent sound and the tweeters are amazing as well. Now i just need to get the momo subwoofer to match! Thanks crutchfield

Get everything you’ll need to enjoy your new Polk/MOMO MMC570

Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car.
You'll need speaker wire to connect your speakers to your amp.
Keep your speakers clean and dry. They compress to fit behind your speakers.
The right tools will help keep your installation simple and clean.
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