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Polk Audio MM 692

Mobile Monitor Series 6"x9" 3-way car speakers

Item # 107MM692

We're big fans of Polk speakers for their reliability and precise sound, and their premium Mobile Monitor Series MM...

Find what Fits your vehicle

We're big fans of Polk speakers for their reliability and precise sound, and their premium Mobile Monitor Series MM...

Item # 107MM692

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Deeply discounted installation gear

$229.00 pair

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About the Polk Audio MM 692

Alexander H.

Next-level Polk speakers

We're big fans of Polk speakers for their reliability and precise sound, and their premium Mobile Monitor Series MM 692 6"x9" 3-way car speakers only improve on that well-earned reputation. You can count on low distortion and maximum performance from this flagship Polk line, the result of years of research and development. These rugged car speakers are ultra-marine certified, able to shrug off harsh environmental abuse to deliver exceptional sound for nearly any application, from cars to boats.

Next-level Polk speakers

We're big fans of Polk speakers for their reliability and precise sound, and their premium Mobile Monitor Series MM 692 6"x9" 3-way car speakers only improve on that well-earned reputation. You can count on low distortion and maximum performance from this flagship Polk line, the result of years of research and development. These rugged car speakers are ultra-marine certified, able to shrug off harsh environmental abuse to deliver exceptional sound for nearly any application, from cars to boats.

Don't be shy with the power

The highly efficient speakers will work well with an aftermarket radio, but keep in mind that they will really show off their stuff with a lot of power from an aftermarket amp. The titanium-coated 6"x9" polymer woofer cone, backed by a space-efficient magnet, delivers the full sound you've been hungry for. A low-profile, lightweight carbon basket features excellent venting to keep these speakers cool when you're really pouring on the power. And your music's high frequencies will soar, thanks to delicate handling by the newly designed Terylene fabric dome tweeter and supertweeter. 


Product highlights:

  • 6"x9" 3-way speakers
  • titanium coated polymer woofer cone with Santoprene rubber surround
  • 1" Terylene fabric tweeter and 3/4" supertweeter
  • certified for marine use (IP56 rating)
    • non-corrosive fiberglass reinforced ABS basket
    • epoxy coated crossovers
    • waterproof surrounds
    • weep holes for proper drainage
  • handles up to 150 watts RMS (450 watts peak power)
  • frequency response: 30-40,000 Hz
  • sensitivity: 94 dB
  • top-mount depth: 3-1/8"
  • grilles included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # AA8692-A

What's in the box:

  • Two 3-way speakers
  • 2 Bottom mount brackets
  • 2 Grilles
  • Two 38" Lengths of speaker wire (quick slides on one end and tinned wire on the other)
  • Eight 1" Stainless steel screws
  • 8 Stainless steel speed clips
  • 2 Factory grille badges
  • Installation / Specification sheet
  • Online product registration information

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Polk Audio MM 692 reviews

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More details on the Polk Audio MM 692

Pat M.

Features & specs

Speaker Size 6X9
Design 3-way
Tweeter Design 1" Dome
Impedance (Ohms) 4
Tweeter Composition Terylene Fabric
Woofer Composition Titanium Coated Composite
Woofer Surround Santoprene Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity (1W at 1 meter) 94
Sensitivity at 2.83 volts N/A
Frequency Response 30 - 40k Hz
Minimum RMS Wattage ---
Maximum RMS Wattage 150
Peak Power Handling (Watts) 450
Top-mount Depth (Inches) 3 1/8
Bottom-mount Depth (Inches) 3 15/16
Cutout Diameter or Length (inches) 0
Mounting Height (Inches) 1.041
The Polk Audio MM 692 replaces these items:

Product Research


Mounting Applications: Although bottom mount brackets are included, the speakers can be bottom mounted without them, resulting in a mounting depth of 3.378" and a tweeter protrusion of 0.742". The brackets can also be used as top mount spacers, resulting in a mounting depth of 2.566" and a mounting height of 1.554".

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.

Rubber Surrounds: The inner and outer woofer surrounds are Santoprene rubber, to keep water from leaking through the speaker.

Tweeters: The tweeter and super tweeter material is Terylene, a brand name of polyethylene terephthalate (PET).

Neodymium Magnets: The speakers' neodymium magnets offer exceptional strength to performance ratio and are small and lightweight.

Basket: The speaker baskets are fiberglass reinforced ABS, lightweight and corrosion resistant.

Crossover: The crossover components are coated with epoxy to prevent corrosion. The low pass filter is 1st order (6 dB/octave), the high pass tweeter filter is 2nd order (12 dB/octave) at 3.5 kHz, and the high pass super tweeter filter is 3rd order (18 dB/octave) at 4.5 kHz.

Ultra-Marine Certified: Polk MM1 Series speakers are tested to withstand exposure to salt-fog, UV rays, and humidity, so they'll work well in boats and cars. They also include stainless mounting hardware for corrosion resistance.

Drainage: The speaker should be mounted so the slots along the perimeter of one side of the basket are at the bottom, so any trapped water can drain.

Terminals: These speakers have 0.25" positive (+) terminals and 0.187" negative (-) terminals, which are too large for the speaker harnesses supplied by Crutchfield for many vehicle-specific applications. The speaker wire included by Polk Audio has the correct size terminals attached, so that can be spliced to an adapter harness, or optional crimp-on female quick slides can be purchased (item number 120FQS10PK, sold separately).

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Customer Q&A

14 questions already asked

Would these be able to replace my sony 6x9's in the rear deck corner of my ford fusion titanium? The sony's came with my car and I want to make sure that these will be able to fully replace them before I buy them as finding stock sony's is too hard.
[ Jayson  Aug 30, 2022 ]
1 answer
In general yes those Polk MM 692 will fit in the stock 6x9 location for the factory Sony system. However just to verify that it will work for your particular year of Ford Fusion, give us a call at 800.324.9695 and one of our advisors can make sure everything would work for you.
[ ARIELLE H  Aug 30, 2022 ]  Staff
Will these sound good in harley hard bags ? i have a Rockford Punch PBR400X4D and already have 6.5 speakers in the fairing. Will this amp be enough ?
[ MIKE  May 03, 2022 ]
1 answer
I have these in the saddlebags of my CVO Street Glide. They work well and sound good, but required an adapter to mount, since the factory speaker size is smaller. I can't speak for your amp in particular, but I replaced the factory amp in the CVO and had an aftermarket amp put in and it's super loud, because the D&D pipes I have are loud. Hope this helps....keep the shiny side up!
[ ALEXANDER  May 03, 2022 ]
Can you buy replacement covers? the grill vibrated out of mine.
[ Fowler  Aug 13, 2021 ]
2 answers
If there's a way to send me your info I will send you mine never used. This is my second set, that have blown just after the warranty. They were recieving at best 150 Watts each from the rear channels of a JL Audio 600/4 HD. I would not buy again.!!!
[ Mark  Oct 24, 2021 ]
We do not offer the grilles by themselves and recommend contacting Polk Audio' support to check availability. We have 800-377-7655 for their support number.
[ JASON  Aug 17, 2021 ]  Staff
What marine amp would be a good fit for 4 of these speakers?
[ Craig  Jun 01, 2021 ]
1 answer
We have a few different amps that can work with these speakers and more information is needed to give a good recommendation on one. I recommend contacting an advisor by calling 1-800-324-9695 to discuss the application and your goals to get a recommendation on an amp to use with them
[ JASON  Jun 15, 2021 ]  Staff
How do the speaker covers attach? I want to put them in a box in my boat and don't want to worry about them falling off with all the bouncing from waves
[ Jason  Apr 30, 2021 ]
2 answers
There are four screw holes on the speaker frame. Mine threaded into a prefitted box to install in my old Jeep. you could trace/make a template so that the holes line up with the box for screwing.
[ CAROLINE  May 03, 2021 ]
Hi Jason G. Unfortunately I've only used them for motorcycle installations, and I've not used the grills that come with the 6x9 speakers. However, I do use the grill that come with the DB series. I have lots of DB grill and I often swap the 6.5 mm grill to the 6.5 DB grill. They bolt on and matches up nicely. Hope this helps. v/r ~Swin~
[ SWINDELL  Apr 30, 2021 ]
Do these speakers come with a white grill as well?
[ Dusty  Mar 10, 2020 ]
4 answers
Not that I know of. Great speaker.
[ Scott  Mar 10, 2020 ]
No. Amazing speakers though. I have them on a Sony Marine 100x4 deck and the bass and clarity is amazing
[ ERIK C  Mar 10, 2020 ]
Mine didn't. I'm not even sure if Polk audio has anything in white. They have silver.
[ Jeffery TeaBags  Mar 10, 2020 ]
[ Michael  Mar 10, 2020 ]
Can I power a pair of these with 2 channels off Alpine KTP-445U?
[ A  Nov 25, 2019 ]
1 answer
That KTP-445U amp can power these speakers. If you bridge the amp so it's only working as a 2 channel amp, then you can give the speakers even more power for better performance
[ JASON  Dec 08, 2019 ]  Staff
What is the reason they won't they fit my Mercury Grand Marquis GS Back deck or Doors? Haven't bought em yet but I want those in my car.
[ Thomas  Sep 21, 2019 ]
1 answer
What year is your Grand Marquis? It might have to do with the mounting depth, height, or shape of the speaker. You can connect with one of our product advisors to see if it is a close enough fit to try or if there might be a better option:
[ CASEY  Oct 02, 2019 ]  Staff
My 2005 honda civic takes 6×9 speakers in the rear why would the polk audio MM 692 series not fit?
[ Chris  Jul 29, 2018 ]
1 answer
The only thing that i can think of if there's something restrictive above or below. On most hondas, below isnt an issue, usually, because there isn't anything below the speaker cutout. But main issue you may run into the the fitment above the speaker cutout and the rear deck cover. These speakers need probably about a good half inch between the surface they mount to and whatever sits above them. Possibly more than that. I would recommend looking at a pdf user manual on polks website, or here in crutchfield. The user manual should show exact measurements, then add about a quarter inch to the top for speaker travel.
[ SCOTT  Jul 29, 2018 ]
150 rms per pair or each?
[ Jered  Jul 08, 2018 ]
3 answers
I would say yes to each one. I always call the guys there and they can answer any question you have. Plus in the description it says 150 RMS
[ Jeffery TeaBags  Jul 08, 2018 ]
Per speaker! I've been enjoying them - they sound very good I'm running an Alpine x- A70F amp with four of them
[ MATTHEW  Jul 08, 2018 ]
Each speaker. They sound great
[ CLAYTON M  Jul 08, 2018 ]
I am looking at these for my boat but I have exactly 6 inches total to fit them into from top to bottom? Not the cut out hole size but total size of speaker cannot be taller than 6 inches. I don't see here the total size but I did go to Polks website and it says 6 inches but I want to be sure. Mabey if you could look at one and take a tape measure to it. If these wont work I still need the size of the 5x7 version of the same speaker top to bottom total inches. Side to side I have room.
[ SEAN  Mar 19, 2018 ]
4 answers
I read this question differently than the other answers given. the height of the speaker from the bottom of the magnet to the top fo the speaker is 4".
[ Mark  Apr 02, 2018 ]
From center top to center bottom is 6 3/8"
[ SCOTT  Mar 28, 2018 ]
If it's a 6 inch speaker it should fit. If you want a 6.5" they should carry a adapter for it as well. Me personally I would stay away from a 5x7. I just ended up switching my 5x7 speakers to 6x9. I'm running a pair of MM 692 6x9's and a pair of DB6502 6.5" speakers.
[ Jeffery TeaBags  Mar 28, 2018 ]
Yes sir they are exactly 6 inches accross Or top To bottom
[ DEAN  Mar 28, 2018 ]
Can these speakers be out into a box and if so what size. Ported or unported. Are the better with or without a box?
[ dustin  Dec 12, 2017 ]
2 answers
I called Polk Audio and they can be boxed and sealed.
[ Jeffery TeaBags  Jul 08, 2018 ]
These 6x9 speakers can be put into a box. Since they are designed for free air applications, there is no requirements for a box short of the speakers fitting the box. You can put them into a sealed or ported box and we would expect little to no difference in their sound. We carry 2 types of boxes that can hold them:|6X9 My Bio:
[ JASON  Dec 18, 2017 ]  Staff

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