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Polk Audio MM 652

Mobile Monitor Series 6-1/2" 2-way car speakers

Item # 107MM652

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

Find what Fits your car

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

Item # 107MM652

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C$279.99 pair
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About the Polk Audio MM 652

Next-level Polk speakers

We're big fans of Polk speakers for their reliability and precise sound, and their premium Mobile Monitor Series MM 652 6-1/2" 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 652 6-1/2" 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 6-1/2" 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 1" Terylene fabric dome tweeter. 

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Product highlights:

  • 6-1/2" 2-way speakers
  • titanium coated polymer woofer cone with Santoprene rubber surround
  • 1" Terylene fabric tweeter
  • 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 100 watts RMS (300 watts peak power)
  • frequency response: 40-40,000 Hz
  • sensitivity: 93 dB
  • top-mount depth: 2-5/8"
  • grilles included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # AA8652-A

What's in the box:

  • Two 2-way speakers
  • 2 Grilles
  • 2 Mounting bracket adapters
  • 2 Foam gaskets
  • 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 652 reviews

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Perfect with a bit of garage engineering

Brian from Rochester, NY on 9/9/2019

2011 Honda Civic LX

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I learned a lesson through this purchase, when saying it will fit, it's DEPTH, not necessarily the shape of the opening. These did not fit at first, however, I used the adapter bracket that replaces the factory one and then stacked the bracket that came with the speaker on top, which gave me the extra depth needed. Speakers sound great!

Pros:

Cons: Perhaps a bit "Bright" with the highs as other mentioned

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Polk Audio MM 652

Crutchfield customer from Woodstock, GA on 7/10/2019

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Great speakers.

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Cons:

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0 of 2 found this helpful

Polk Audio MM 652

Crutchfield customer from Cleveland, OH on 6/29/2019

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Love these speaker sounds great

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0 of 2 found this helpful

Polk Audio MM 652

Crutchfield customer from Lk Forest Pk, WA on 6/19/2019

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I just installed 4 of these on the bridge and aft hardtop of my 40' boat. I think they sound great! It does help that I have several different eq settings to choose from, but I lean toward the bright. They do need some power. My 17W per channel start to distort if I push the volume. Time to get an amp. They seem well constructed. Installation was fairly straightforward.

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2 of 2 found this helpful

Polk Audio MM 652

Crutchfield customer from Linden, MI on 6/17/2019

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clear sounds, could use a little more mid ti low

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Polk Audio MM 652

Crutchfield customer from Glenwood City, WI on 6/16/2019

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Great speakers for the money. Sound is good and they look good too.

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0 of 1 found this helpful

Polk Audio MM 652

Crutchfield customer from Rockford, IL on 5/25/2019

2009 Harley-Davidson Electra Glide

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Great speakers

Pros:

Cons:

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1 of 1 found this helpful

Polk Audio MM 652

Crutchfield customer from Mechanicsburg, PA on 5/5/2019

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Exactly what I wanted . Work great.

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Polk Audio MM 652

Crutchfield customer from Naples, FL on 4/23/2019

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Very small magnet and so so sound. Not what I had expected from Polk and it this price point. Bought a pair of Rockford Fosgate instead and I am much happier with them

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5 of 6 found this helpful

Polk Audio MM 652

Bradley from Wetumpka on 4/11/2019

1998 Dodge Ram

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Great product good bass isn't static love it

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Cons:

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1 of 1 found this helpful

Polk Audio MM 652

Crutchfield customer from Napoleon, OH on 12/18/2018

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Great product, dependable, worth every penny

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Way way way to harsh

Melissa from Webster, NY on 11/17/2018

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Before I review this item let me say these are so beautiful in person the best looking matrials used here picture do them no justice. That being said as other stated the highs are beyond harsh they are intolerable even with heavy eq. Not worth the price either way better sounding speakers I suggest looking into morel focal even Kicker KS series. Properly powered and eqd and still sounded awful. I think Polk intended these for boats and bikes where you could benefit from terrible harsh sound.

Pros: Nice materials

Cons: Sound Terrible harshness Hard to install wide

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3 of 6 found this helpful

Polk Audio MM 652

Crutchfield customer from Dunlap, IL on 9/30/2018

2004 Harley-Davidson Road Glide

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Sounds great and the support team was awesome.

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Cons:

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1 of 1 found this helpful

Detailed sound

RF from Shepherd, MT on 9/14/2018

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Detailed sound. Highs are a bit bright as others have said. Overall very nice speakers

Pros: Fit great, all hardware was included clean and crisp sound

Cons: None

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2 of 2 found this helpful

Polk Audio MM 652

Crutchfield customer from IL on 8/21/2018

2012 Honda Insight

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A little too much on the high end.

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2 of 2 found this helpful

We have a winner

Crutchfield customer from Longwood, FL on 8/15/2018

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Installed in the fairing of my Kawasaki Voyager powered by a 45 watt per channel amp. They sound much better than the DB651's they replaced. While the tweeters can be moved, one is really tight, but luckily it's ok where it is.

Pros: Great sound.

Cons: None, unless you want to say that the tight tweeter is a con.

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1 of 1 found this helpful

Polk Audio MM 652

Vince from Levittown, PA on 8/12/2018

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Fantastic fit and sound ! And on line assistantance ! Hands down you guys are the best

Pros:

Cons: None

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Best Speakers

Crutchfield customer from Dallas, TX on 8/12/2018

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I installed these on my 2011 Harley CVO Street Glide. Very easy installation & great sound. I replace Hawg Wired speakers. The Polk MM652's are a great improvement. I am shocked at how good they sound.

Pros: Great Price

Cons: None

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1 of 1 found this helpful

Polk Audio MM 652

Crutchfield customer from Newman Lake, WA on 8/5/2018

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Installed with a 125 watt per channel amp on my Harley Electra glide. Sound very good even at high volume levels

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Cons:

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3 of 3 found this helpful

mm 652

tom from Green Bay, WI on 8/2/2018

2008 Honda Civic LX

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the 10 year old infinity 6022i in my 2008 civic coupe doors were still playing well but were showing signs of water damage. i have them in the rear deck also. they are good speakers with good sound but they play on the bright side even with the tweeter set to 0. the civic stock head unit also plays on the bright side. the polk mm 652 play to the midrange side- a better match for the stock unit. they also have a little more bass and smoother mids and the highs are still there just not as much.i have only played them for 2 hours so they should sound even better once they break in. they already sound amazing. the old infinitys are still cranking away in the rear. the polks do not fit the rear deck. being marine grade i will not get water damage now. civic adapter rings and civic wire adapters were included with my purchase-thank you crutchfield. fast shipping too. polks are 4 ohm/93spl -infinitys are 3 ohm/93spl but the polks seem just as loud .both are very clear.

Pros: 1] good bass-mids-highs 2] if water gets in your door it will not damage them

Cons: pricey but worth it

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5 of 6 found this helpful

Great product

Kevin from Wilmington, NC on 7/22/2018

2018 Harley-Davidson Road Glide

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Awesome sound and a great price!

Pros: Easy install

Cons: None

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1 of 1 found this helpful

Polk Audio MM 652

Crutchfield customer from Spring Hill, FL on 7/15/2018

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Looked for best rated Polk marine speaker to replace current model. The magnet is a quarter of the size for same size speaker. Highs are great but has little bass response for 6.5 speaker. Bought 4, but after installing two, will return others.

Pros: Good highs Attractive speaker

Cons: Lack of bass response

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2 of 2 found this helpful

Hear all your music!

Kevin from Saint Joseph, MI on 7/13/2018

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Spectacular clarity!! Such revealing speakers. Replaced infinity speakers in four doors. Powered by stock system but still provide great performance. First time "ever" that my cassettes are enjoyable with Dolby on. 30 year old mix tapes on Maxell UDXLII. ANALOG RULES!!! Full performance at all frequencies. Crutchfield is excellent. Advisor was knowledgeable and did not rush me off the phone. Thank you and will buy again and have already recommended you to others.

Pros: Performance (sound),price, quality

Cons: None

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2 of 2 found this helpful

Great speaker upgrade

Rick from Brownsburg, IN on 6/27/2018

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Awesome speakers. I matched them up with a Rockford Fosgate marine stereo system. Unbelievable difference from the CLARION speakers that were stock on my boat

Pros: Great sound

Cons: None

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1 of 1 found this helpful

Polk Audio MM 652

Jesse from Chico, CA on 6/23/2018

1992 GMC Sierra

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Great speakers, they really improved the sound in my 4x4 and are also built really tough.

Pros: Great sound, directional tweeters.

Cons: Slightly larger size with the included speaker grills, I had to modify to make them fit.

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0 of 1 found this helpful

Polk Audio MM 652

Crutchfield customer from Travis Afb, CA on 6/21/2018

1989 Ford Bronco

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Great sounding durable speakers.

Pros:

Cons:

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Doesn't fit in a 2017 MDX

Craig from Burke, VA on 6/19/2018

2017 Acura MDX

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Won't fit in my 2017 MDX even though it appears compatible on Crutchfield's site. And I'm not talking about the necessary removal of part of the factory speaker grill. The housing of the magnet won't fit properly in the speaker hole in the door. I was using the supplied bracket adapter from Crutchfield. Their tech support was awesome trying to help, but had no real solution. Returning to try something else.

Pros: Never got to try it.

Cons: Doesn't fit.

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1 of 8 found this helpful

Great Value

Crutchfield customer from Albuquerque, NM on 6/18/2018

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Ordered these after a disappointing stint with JBL Club Series for a Jeep TJ. These speakers get the job done with clean crisp notes and decent bass despite the poor acoustic foundations of a Jeep. They are powered by an Alpine head unit only so the power supply is somewhat limited. The only potential problem I can see is whether the grills will stay in place over time as there are no fasteners to hold them in place. So far, they earn a 5 star rating as they are performing as expected and look great.

Pros: Sound great, definite upgrade from OEM (infinity) and JBL Club, look great, clean crisp sound at all volume levels. Crutchfield guaranteed!

Cons: The grill fastening mechanism does not seem very secure but it is staying in place thus far! Some mounting/installation issues but manageable for anyone with some mechanical fortitude.

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Polk Audio MM 652

David from Hayward, CA on 6/2/2018

2012 Honda Insight

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Installed these Polk speakers In the rear doors of my 2012 Honda Insight. They are replacing a lower cost but very good sounding pair of Pioneer 3 way speakers. While I think I heard a little more different instruments with the Pioneer speakers, the quality of the sound is noticeably, much better. I am a Polk fan and own several pair of house and car speakers. One word for you do it yourselfers, you will need to bend the lower factory mounting tabs to get these speakers to fit in the rear door of the Insight.

Pros:

Cons:

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Polk Audio MM 652

Crutchfield customer from Mooresville, NC on 5/28/2018

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These speakers replace a pair of Infinity speakers. The Polk speakers are clear and crisp, and sound great. The Polk Audio MM 652 are a muck better speaker than the Infinity speakers.

Pros:

Cons:

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3 of 3 found this helpful

Polk Audio MM 652

Crutchfield customer from Marlton, NJ on 5/28/2018

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Replaced a pair of previous MM651UM on my 31' express cruiser boat, where the surrounds had separated from its frame causing noise. Polk replaced them. Then other pair, same problem and bought these. These sound great probably cleaner sound than the 651s. Deep clear bass, not booming.

Pros:

Cons:

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2 of 3 found this helpful

Polk Audio MM 652

Crutchfield customer from Alpharetta, GA on 5/21/2018

2015 Chevrolet Suburban LT

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Great speaker!!!

Pros:

Cons:

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Polk Audio MM 652

Crutchfield customer from Sanford, NC on 5/13/2018

2008 Chevrolet Tahoe

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Put 6 in my Tahoe, love them

Pros:

Cons:

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1 of 1 found this helpful

Polk Audio MM 652

jared from Ohio on 4/17/2018

2008 Chevrolet Silverado

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Can't believe the sound that comes out of these with such a small magnet on the back would highly recommend them

Pros: Sound great

Cons: None that I know of yet

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1 of 1 found this helpful

Polk Audio MM 652

Eric from Pleasantville, NY on 4/9/2018

2008 Saturn VUE

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Great speakers. Sound very good for their price point. Even with the built in crossover, I run them 80hz and up. They were never made to be or sound like a subwoofer. They will last longer and and will take the power they are rated for. I also think they sound better the more you play them. Are they breaking in? I dont know, but I love them.

Pros: Sound great

Cons: None really. But I wish they were rated for more power.

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2 of 2 found this helpful

Love my new Polk MM652's

George from Florence, KY on 3/28/2018

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Just got these in the dash and they are amazing! Replaced some cheaper speakers that sounded pretty good at high volume but very nasty at mid to low volume. These Polk MM652's sound grrreat at all levels and were well worth the extra $ to get them. I think they're better sounding than my older high end MB Quarts that I used to have. Pushing 300 Max, 150 RMS at them and they act as advertised. As for Crutchfield, I've been using them for over 20 years and they earn my repeat business every time I've used them. Ordered these on Sunday night and they're in the dash Wednesday afternoon! Thanks guys!!

Pros:

Cons:

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2 of 2 found this helpful

Excellent sound/clarity with no amp!

Jason from Wixom Lake, MI on 2/8/2018

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Simply amazing! Powered by Sony MEX100bt marine head unit in our 2012 Checkmate bowrider. Installed 4 of the polk mm 652, and are clear,loud, and have alot of bass for a 6.5. Hearing things in songs I never heard before! Cant wait for summer!!

Pros: Efficiency, clarity, overall sound.

Cons: None as of yet

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3 of 3 found this helpful

Polk Audio MM 652

Crutchfield customer from Semmes, AL on 1/8/2018

2004 Jeep Wrangler

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Awesome sounding in a jeep wrangelr

Pros:

Cons:

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3 of 4 found this helpful

great bang for the buck

Crutchfield customer from Bogue Chitto, MS on 12/15/2017

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This is my 3rd set of POLK MM 6.5", great sound for the price.

Pros:

Cons:

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5 of 5 found this helpful

5 stars

Ed from Byron, MI on 10/11/2017

2014 Chevrolet Cruze

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5 stars. These were a upgrade from my old polks and wow do they sound great. They are getting some power and keep up with my components in the front. Hopefully I can get a crossover or equilizer hooked up to them soon. Hint hint wink wink

Pros: All good

Cons: None

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3 of 3 found this helpful

Polk Rocks the Gulf Coast waters!

Michael from Palm Harbor, FL on 9/15/2017

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Very happy with my Polk speakers in a marine application. Easy installation - great sound - makes me wonder if I need to add an amplifier that was on my bucket list. Four of these speakers in my 31' center console (plus the two more I plan to install) makes my boat the center of attention at the Redneck YachtClub!

Pros: Ease of installation, depth of sound, bass, power

Cons: Only available in black grills - although I'm liking it more on my white boat every day!

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5 of 5 found this helpful

Great fit

D from Medina Lake, TX on 7/14/2017

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Bought the speakers to replace one that had broken the tweeter cone from a knee or someone's butt on the bow of our Nautique. Original speakers don't seem very protected from this sort of thing. Probably better they came in pairs since they were different from original so we replaced both bow speakers. Mounted up perfect and sound awesome.

Pros: Easily mounted and sound great. Seem to be better protected from damage.

Cons: Don't match the other 6 speakers in the boat. They discontinued the previous model.

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4 of 8 found this helpful

Clean sound

Thomas R from Orchard Park, NY on 7/8/2017

1994 Pontiac Firebird

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I bought the MM 652 Polk speakers to upgrade the speakers in my boat I have a Fusion UD750 Stereo with a 500 watt Amp. The sound is very clean with sharp highs. I had a tough time deciding which speaker manufacturer to go with. I have always been pleased with Polk sound so I went with the new MM 652 and was not disappointed. These speakers can crank it out and still keep rich full sound.

Pros: Modern look

Cons: none

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6 of 6 found this helpful

Polk MM 652

Wallace from Sacramento, CA on 6/22/2017

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Sound way better than the Polk Audio DB651 IMHO.... It's very clear and the bass is there! I also used to have the Infinity Kappa 62.11 and this knocks it out of the water! I power it with an Alpine 445U power pack. Perfect purchase

Pros: -Clarity -4 ohms -Bass is there

Cons: -you may need a speaker adapter since the depth is longer -nothing else

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7 of 7 found this helpful

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<< >>

More details on the Polk Audio MM 652

Pat M.

Features & specs

General
Speaker Size 6 1/2
Design 2-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
Specifications
Sensitivity (1W at 1 meter) 93
Sensitivity at 2.83 volts N/A
Frequency Response 40 - 40k Hz
Minimum RMS Wattage ---
Maximum RMS Wattage 100
Peak Power Handling (Watts) 300
Top-mount Depth (Inches) 2 5/8
Bottom-mount Depth (Inches) 2 15/16
Cutout Diameter or Length (inches) 5

Product Research

Features

Size Classification Note: These speakers are marketed as 6-1/2"; they will fit in standard 6-1/2" speaker openings, but do not use the standard 6-1/2" speaker bolt pattern. In order to install them in standard 6-1/2" speaker openings you must drill new screw holes. If new holes are drilled in the mounting surface of the car, no bracket is needed. If drilling in the car is not an option, the included brackets can be used, which have standard 6-1/2" mounting holes, the Ford non-symmetric four hole pattern, and non-standard 6-3/4" three and four hole patterns. Enter your vehicle information to confirm fit.

Note: The opening for a standard 6-1/2" speaker is not a 6-1/2" diameter hole. (It's approximately 5" in diameter.)

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.

Swivel Tweeters: The 1" tweeters pivot, so they can be angled for optimum imaging. The 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) and the high pass filter is 2nd order (12 dB/octave).

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 water trapped between the speaker and grille can drain.

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Customer Q&A

7 questions already asked

Q
wondering why these wont fit the rear deck of a 2018 mustang?
[ Michael  Jul 30, 2019 ]
1 answer
A
There's a mounting height issue. These speakers need 0.745" for mounting height (measured from mounting surface to top most part of the speaker) but there is only 0.379" available when using the mounting bracket we found to hold speakers of this size in that spot. My Bio: https://www.crutchfield.com/bio/Paul
[ Paul  Aug 07, 2019 ]  Staff
Q
What is the impedence of these speakers?
[ Patrick  Apr 12, 2019 ]
2 answers
A
I am not sure about the impedence but I can say this they sound and work great on my Harley street glide. even with the my loud pipes it can still hear it load and clear.
[ robert  Apr 12, 2019 ]
A
The Polk MM652 is a co-axial driver with a nominal impedance of 4 ohm's.
[ JEFFREY  Apr 12, 2019 ]
Q
to existing owners did the tweeters get better over time? I just got these and the tweeters are unbearable hoping they will smooth out want to know if anyone noticed these did for them?
[ Melissa  Nov 13, 2018 ]
4 answers
A
If driven by a factory head these will likely pay the highs very loudly. Some factory heads have been hardware EQ'd to go with full range speakers and send out the highs loudly to overcome the weakness of the factory speakers. This happened to me with a bose.
[ Seth  Jul 01, 2019 ]
A
I am not sure what you mean when you describe the tweeters as unbearable. In my installations my tweeters are being driver by an Alpine PDR-V75. They sound the same now as they did when I first installed them.
[ JEFFREY  Nov 13, 2018 ]
A
Better over time. They have to break in
[ Brad  Nov 13, 2018 ]
A
My MM 652 tweeters sounded good right out of the box. Perhaps if all your speakers are poor quality, it could be something with the system setup. I have been very happy with the quality of sound.
[ Raymond  Nov 13, 2018 ]
Q
I currently have db651's in the fairing of my motorcycle. Would these have better sound, that is more mid and lower end?
[ Bluemeanie  Jun 04, 2018 ]
4 answers
A
I've had both ; I'd say its an easy call that the MM652 are a better sounding speaker all the way around. Does the fairing have some kind of a sealed area to act like a "box" behind the speaker? That would be needed to get good low end from any speaker.
[ BRIAN  Jun 05, 2018 ]
A
Simple answer. They sound a lot better to be than even my old components.
[ Jeffrey  Jun 04, 2018 ]
A
I do not believe you can get much on the low end from running speakers in a bagger unless you have subs in the saddlebags. I have cut some low end frequency from mine to prevent distortion at highway speeds.
[ Thomas  Jun 04, 2018 ]
A
I've had Hertz and Rockford Fosgates and the Polks are better sounding and weather proof. I have 6x9 polks in bags as well
[ Dana  Jun 04, 2018 ]
Q
If this is a 6.5 speaker why doesn't it fit in the rear doors of a 2009 legacy?
[ Jason  Mar 05, 2018 ]
2 answers
A
It's actually an issue with the available clearance under the factory grill covers. We found the Polk Audio MM 652 to be slightly too tall to fit under the stock grills without touching.
[ Ryan  Mar 14, 2018 ]  Staff
A
I dont know for sure but you also have to consider the depth???
[ Double D  Mar 05, 2018 ]
Q
Would a sony mex100bt head unit be sufficient power for these speakers?
[ Jason  Jan 21, 2018 ]
3 answers
A
If just depends on how you want the drivers to sound. Certainly the head unit will produce quality sound. By adding an amplifier the sound will become more dynamic.
[ JEFFREY  Nov 13, 2018 ]
A
Yes
[ CHRIS  Jan 22, 2018 ]
A
Not sure. These speakers can handle some power and sound great doing it.
[ Jeffrey  Jan 21, 2018 ]
Q
What is the grill outside diameter? What is the screw hole diameter and are they set at 45 degree? I am installing into boat and can't find template (want to ensure it misses old screw holes and covers them).
[ Dave  Jul 11, 2017 ]
1 answer
A
The Polk MM652's grilles are 7.125" in diameter; and the (4-bolt pattern) screw holes are 4.12" across, 4.5" top-to-bottom, and 5.9" diagonally. For more details or to discuss your installation further, please feel free to contact an Advisor directly by phone (888.955.6000) or online chat. Thanks! My bio: https://www.crutchfield.com/advisors/larry
[ Larry  Jul 18, 2017 ]  Staff
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