Polk Audio MM692 - MM1 Series 6x9" Coaxial Speakers

900W Peak (300W RMS) 6x9" Mobile Monitor Series 3-Way Car & Marine Coaxial Speakers


• 450 watts Peak Each, 150 watts RMS Each
• 1" Terylene Dome Tweeters
• Titanium Coated Composite cone material
• Impedance: 4 ohms
• Sensitivity: 94 dB

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Get the most out of your speakers with simple peel-and-stick speaker baffles, sound damping, roller, and a panel removal kit to make installation a breeze! This offer cannot be combined with any other coupons or offers.

Polk Audio MM692 - MM1 Series 6x9" Coaxial Speakers

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MM1 Series Speakers

Polk MM692

It doesn't matter whether your next destination is the road, the lake, the trails or the dunes. Polk's MM1 series speakers are built to not only withstand whatever environment they're thrown into, but to make your ears happy through all of it.

Polk's Mobile Monitor speakers are rugged and built for all kinds of outdoor settings. The IP56 ultra marine certification means all parts - the surround, the cone, the basket and everything else - can withstand dirt, dust and water without any serious side effects. They're ready for your boat, ATV or anything else designed for exposure to the elements. Add in a non-corrosive fiberglass reinforced ABS basket, and these MM1s are ready for the long haul.

Not looking for outdoor adventure? These MM1 speakers are still built to outperform your factory drivers in your daily vehicle. Check out that crossover built onto the speaker. While two- or three-way speakers have crossovers mounted on, they're not usually this robust. Add a pivoting 1" tweeter to customize your sound, oversized voice coils and more, and your next drive will sound a whole lot better. Built-in Dynamic Balance Technology helps eradicate distortion and enrich the tone.

Don't put off that sound upgrade any longer. Polk's MM1 series offers a simple solution with anything-but-simple sound. Drop a pair of these in your cart and be prepared for your next adventure.

Product Details:

  • 6" x 9" Polk Audio MM1 Series 3-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 900 watts per pair / 450 watts each
    • RMS: 300 watts per pair / 150 watts each
  • Titanium Coated Composite cone material
  • Santoprene Rubber speaker surround
  • 1" Terylene Dome Tweeters
  • Glass fiber formers and oversized voice coils
  • Advanced high- performance sound
  • Dynamic balance technology
  • Integrated epoxy coated crossovers
  • Neodymium magnet motor structure
  • Top-mount Depth: 3.07"
  • Cutout Dimensions: 5.63 x 8.42 
  • Impedance: 4 ohms
  • Frequency Response: 30 - 40000 Hz
  • Sensitivity: 94 dB
  • Grilles included
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

  • Priced Per Pair

Product history:

Polk Audio MM692 thumbnail
(newest, current model)
Polk Audio MM691 thumbnail
(previous model, replaced by Polk Audio MM692 - MM1 Series 6x9" Coaxial Speakers)
Polk Audio MMC690 thumbnail
(previous model, replaced by Polk Audio MM691)

Specifications & Details

Speaker Specifications
Polk Audio MM1 Series
Priced Per
Speaker Size
6" x 9"
3-way Coaxial
Tweeter Design
Tweeter Size
Tweeter Composition
Woofer Composition
Titanium Coated Composite
Woofer Surround
Santoprene Rubber
Peak Power Handling
450 watts
RMS Power Handling
150 watts
Total PEAK Per Pair/Set
900 watts
Total RMS Per Pair/Set
300 watts
94 dB
Frequency Response
30 - 40000 Hz
Impedance (Per Voice Coil)
4 ohms
Shallow Mount Installation
Magnet Type
Top-Mount Depth (Mounting Depth)
Bottom-Mount Depth
Cutout Dimensions
5.63 x 8.42 
Number of Speakers
CTA-2031 Compliant
General specifications
Marine Certified
Hi-Res Certified
Speaker Grilles
What is in the box?
User manual
Warranty/Registration card
WITB: Speakers
Mounting Brackets/Hardware
Speakers (2)
Grilles (2, attached)
Mounting screws (8)
Mounting clips (8)
Speaker connection cables (2)
Adhesive brand badges
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Model Number:




Internal SKU:


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Customer Ratings & Reviews

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Customer Reviews

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Super Value Marine Speakers

Great volume and warmth. Handles 150 watts each, and will take a beating.

By Anonymous on April 16, 2019 Checkmark Icon Verified purchase


found this helpful.

Excellent Product

I have run these in the rear deck of my Altima for over a year. They have what it takes. Solid sound with lots of power and no distortion. I would highly recommend them.

By Anonymous on November 13, 2019


found this helpful.

Polk Audio MM692 - MM1 Series 6x9" Coaxial Speakers

These speakers are fantastic! SUPER crisp and clear with a 300 watt amp. Replaced the existing tower speakers on my Malibu with these and boy am I glad I did. Thoroughly impressed :)

By Anonymous on June 12, 2018 Checkmark Icon Verified purchase


found this helpful.

Polk Audio MM692 - MM1 Series 6x9" Coaxial Speakers

The MM series are not your standard speaker. I have used the majority of your name brand speakers, Alpine, JL audio, Focal, Infinity, etc... I have to say the Polk MM series are a quality sound at a bargin price. They are well worth the money and sound like a much more expensive speaker. They love power and do not distort.

By Anonymous on June 2, 2018 Checkmark Icon Verified purchase


found this helpful.

Polk Audio MM692 - MM1 Series 6x9" Coaxial Speakers

Nice speakers but they didn't work for my application. I would pair them with the 6.5" version.

By Anonymous on May 31, 2018


found this helpful.


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