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Polk Audio MM6501

6.75" (Oversized 6.5") Mobile Monitor (MM) Series Component Car Audio Speaker System

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List price $399.95

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$219.95

with warranty A Pair

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MM Series Superior Performance

The Mobile Monitor Series by Polk Audio is the result of 3 years of research and development. The series uses high quality materials and the newest loudspeaker technology to bring the listener an unforgettable experience. The best part about the MM Series is the affordable price.

General Features:

  • Oversized 6-1/2" (6-3/4") Polk Mobile Monitor Series Component Car Speaker System
  • Power Handling:
    • Peak: 500 watts per set / 250 watts each side
    • RMS: 250 watts per set / 125 watts each side
  • Woven glass composite cone woofer
  • Butyl rubber surround
  • 1" Silk composite dome tweeter
  • Use of space age materials result in weight reduction, rock solid reliability, advanced looks and ultra high performance
  • Carbon composite basket
  • Klippel distortion analyzer
  • Marine certified
  • 2.7 ohms impedance
  • Neodymium magnet
  • Top-mount depth: 2-5/8"
  • Grille height: 1-1/16"
  • 1-year SonicElectronix.com warranty

Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Note: Polk Audio specifies the nominal impedance of these speakers to be 2.7 ohms. The product box states the impedance to be 4 ohms and the speaker magnet shows 2 ohms, this has been confirmed by Polk Audio to be an incorrect specification. The product manual is correct in stating the nominal impedance of the MM series of speakers to be 2.7 ohms.

Product History:

Polk Audio MM6501 thumbnail
(newest, current model)
Polk Audio MMC6500 thumbnail
(previous model, replaced by Polk Audio MM6501)
Polk Audio MM6-SILVER thumbnail
(previous model, replaced by Polk Audio MOMO MMC6500)

Speaker Specifications

Series
This is the manufacturer product line of speakers.
MM / Mobile Monitor (Polk)
Priced Per
Car Speakers are typically sold in pairs so you will receive 2 speakers for each speaker purchase on speakers marked "Priced Per Pair". If a speaker is marked "Priced Per Each" then the speaker is sold individually and each purchase you make will result in 1 speaker. High-powered tweeters, midrange and full-range pro audio for car speakers are typically sold per each speaker.
Pair
Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
6-3/4" (Oversized 6-1/2")
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
2-way Component System
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Dome
Tweeter Composition
Materials such as polypropylene, silk, cloth, and paper are the most common, where as many more recent tweeters are now manufactured with composites such as Aluminum, Titanium, Mylar, and other materials.

PEI is an acronym for "Polyetherimide" which is an amorphous, amber transparent, high-performance thermoplastic.

Silk
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Woven Glass Fiber
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Butyl Rubber
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
250 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
125 watts
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
94 dB
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
40 - 25000 Hz
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
2.7
Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
2-5/8"
Bottom-Mount Depth
The depth when installed from the bottom of the mounting surface. Measured from the bottom of the speaker's magnet to the top of the mounting holes on the rim of the speaker.
2-7/8"
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches or millimeters, required to contain the speaker.
5" x 5" 
Speaker Grilles
A grating or screen of metal or plastic bars or wires, mounted in front of a speaker as protection. If yes, the speakers will include matching speaker grilles. If no, there are no grilles included.
Yes

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
84%
4 Star
14%
3 Star
0%
2 Star
2%
1 Star
0%

Average Attribution Rating

Durability
4.8
Value
4.8
Features
4.8
Design
4.8
Usability
4.8
maddogg606

fairfield ca

Overall
Durability
Value
Features
Design
Usability
unbelievable sound for the price

December 1, 2014

I used to think that polk car audio lacked depth and richness in tone with their rmobil line of speakers, but not any more!!!
I picked these up for my commuter car because I knew they would last a long time because of their ability to handle power, and was completely blown away by their sound! Seriously, the way they sound impresses me more than the boston pro's that I have in my zx.
For the price, they are #1 wit me right now. I am running em with a 4 channel alpine mrv amp at 100w per channel and the sound is full and rich. they blend nicely with the JLw10' s and play hip hop, rock, metal. country and dance music. Im seriously thinkin of buyin another pair right now to hide in the closet for a rainy day!

14 of 20 found this helpful

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Larry

Dallas TX

Overall
Durability
Value
Features
Design
Usability
SIMPLY AMAZING!!!

February 5, 2012

My g/f has been complaining that the stock speakers in her Suzuki just don't get it done. So I looked around for a good component set of speakers to upgrade to. So I decided to give the DB 651's and MM6501s a shot. I also put in a small Kenwood 4 channel amp. After putting in some sound deadner in the doors (this is a must for the MM6501 going in the front door) I got everything wired up and it was far beyond a night and day difference. After playing it for a few seconds, out comes the g/f. She sat down and was blown away by what she was hearing. Now give these speakers a good amount of time to break in (I would say about 2 months) and the sound just gets better. I love the sound of these speakers, that I am going to put the same setup in my 08 Maxima, but with a bigger 4 channel amp to really bring these to life.

13 of 21 found this helpful

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Aaron

Canada

Overall
Durability
Value
Features
Design
Usability
Very impressed!

August 8, 2011

I ordered these speakers after already owning a pair of Polk DB6501. I had had the DB6501 set up in the front sound stage, but when I received the MM6501 I replaced the front with the MM's and moved the DB's to the back. WHAT A HUGE DIFFERENCE! The MM's absolutely blow the DB's away (and I was a fan of the DB's). In my opinion, if you are on the fence for an extra 60-70 dollars the difference between the two Polk series is more than worth it. Very good bass response, crystal clear highs. Loving life!

17 of 29 found this helpful

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Alexander

Los Angeles, CA

Overall
Durability
Value
Features
Design
Usability
Can't be beat for price range.

November 28, 2011

The tweeters in this set are amazing, best I've heard for under $400. My mids are still loosening up, but leave a little to be desired when compared to the highs. When paired with a sub, or two, all that goes away though.

12 of 20 found this helpful

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Donnie E.

Santa Clarita, CA

Overall
Durability
Value
Features
Design
Usability
Loud speakers, good sound.

March 26, 2013

These speakers look great and get more power of your amp by running at 2.7 ohms. Great set to buy if you're pockets are a little light.

11 of 19 found this helpful

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Ardent1

Louisville, OH

Overall
Durability
Value
Features
Design
Usability
Great Value

October 11, 2010

You can find a few better sounding speakers out there, but not for this price. Not even close. Crisp and clear sound as long as your source equipment driving them are good. You won't be disappointed. Don't expect them to replace sub-woofer's, you will be disappointed, but they are not supposed to. You have to be creative mounting the tweeters, but an easy task for an experienced installer.

14 of 25 found this helpful

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Richard

Stamford, CT

Overall
Durability
Value
Features
Design
Usability
Polk Does it Again!

July 2, 2009

I have used Polk speakers in many of my cars. The shallow depth and scattered mounting holes made the install less difficult. Although no install in an '02 BMW 330xi is easy. Comparing these to stock speakers is not fair, so I won't. The bass is rich and not punchy. Midrange is well ballanced. The hi's are crisp and not brassy. I would like to have a little more power handling, but for the price it's just right.
Other components:
Eclipse AVN 6600 with ipod & Sirius
Hifonics Zeus ZXi8006
Polk MM651 (Rear)
Polk Momo 2104 Sub

13 of 23 found this helpful

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Jon

Manchester, NH

Overall
Durability
Value
Features
Design
Usability
Focus ST Transformation - AMAZING

November 16, 2013

These are the best car speakers I have ever laid my ears on!! They transformed the muddy, weak sound of my "Premium" 10 speaker Sony system in my car into an audiophile quality experience!

Pros: Perfectly accurate sound, warm highs, strong mid-bass, VERY lightweight (I was surprised by that) and VERY loud, but they don't require much power thanks to their 94db sensitivity

Cons: The tweeters don't have as many mounting options as the infinity 6030cs I previously had, so I had to modify the door panels for fit. it would be nice to have more flexibility there. Also, I had to modify the door frame to clear the woofer baskets, but I really can't blame that on Polk. The factory design from Ford was pretty awkward.

Overall I am very happy with these units and I would buy them again in a heartbeat! In order to get really good sound out of them though you need to drive them with a clean signal. I installed the speakers first with plenty of Dynamat. They were already a huge improvement, but because of the poor quality factory amp, they did sound tinny and crackly like one person mentioned in their review. As soon as I installed my JBL MS-8 (The MS-8 drives the 2 front woofers, tweeters and center channel. A separate 100w x 2 amp drives the rear using the supplied crossovers, then a separate 720 watts to a 10" RF Sub, all powered through a 1 farad cap), I couldn't believe what i was hearing. the sound is full, warm, perfectly accurate and I could hear details in the music I had never heard before. This system seriously puts my Infinity home theater to shame!!

13 of 24 found this helpful

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redfox

Springfield Gardens, NY

Overall
Durability
Value
Features
Design
Usability
would buy again

March 12, 2011

proud to have it

Strong Buy

6 of 10 found this helpful

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tomas

austin, TX

Overall
Durability
Value
Features
Design
Usability
Awsome

February 21, 2011

Replaced factory speakers in my 2009 Monterey 278-SC as part of a stereo upgrade. Very good strong sound delivery with no distortion

6 of 10 found this helpful

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Kent

Oacoma, SD

Overall
Durability
Value
Features
Design
Usability
Silverado perfection

March 15, 2013

I put these in the stock location, drilled out the tweeter and used the oval piece to flush mount the tweeter. Sound deadened the door skin. Put the crossover on -3db and hooked them to a RF amp. I couldn't be happier with my purchased! I decided to splurge on components and all of the reviews are true! Awesome sound, warm and not sharp. If you are on the fence, they are worth it and Polk has won me over!

10 of 19 found this helpful

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amrit

sunnyside, NY

Overall
Durability
Value
Features
Design
Usability
best value in its price range

January 5, 2012

For around 200 dollars this set is amazing. I installed them in my friends car and they were amazing. The bass on these speakers shocked me. The reproduction of sound was up there with the expensive brands and speaker. I must say they are the best bang for the buck speaker. If you are in the market for a budget build... INCLUDE THESE IN YOUR BUILD.

10 of 19 found this helpful

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jacob

san antonio, TX

Overall
Durability
Value
Features
Design
Usability
polk audio mm6501

September 12, 2011

Had these in my doors on a civic powered by auto teck mean machine amp putting about 75 watt rms where very loud and clear. These look weird because of the small magnet from the back but the front looks good. I used to have infinity kappa coaxials and got these and love them. They are not too bright on the tweeter but get just as loud and a lot more clear in sound. I have bought many things from sonic and have not been disapointed fast shipping good service highly recommend.

6 of 11 found this helpful

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Ben

Fort Walton Beach, FL

Overall
Durability
Value
Features
Design
Usability
I'm floored

June 20, 2011

Truly dynamic, now I may be loosing a little bit of my hearing at my age, but I can tell you these are as good as the original Quart's of 1992 which I still own. I'm powering them with the new MB Quart ONX4.125 and paired in parallel with Quart 1.6 tweeters. I was leary about what ohms the amp might see being the Polks are 2.7 ohms and quarts being 4. The amp has plenty of headroom and runs cool to the touch.Have to love technology in manufacturing. Great product.I hope they stand the test of time.

5 of 9 found this helpful

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Sadasiven

Mauritius

Overall
Durability
Value
Features
Design
Usability
Simply Awesome Sound Quality

March 2, 2015

Great set of speaker with high quality sound
Recommended to all buyers. Worth more than it's price.
It has great sound quality. Never gonna regret this buying.
Crisp And Clean !!!

5 of 10 found this helpful

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Dantheman

new york, new york

Overall
Durability
Value
Features
Design
Usability
I actually preferred the DXIs

November 29, 2013

I purchased these 6501s seeing as they were the next step up from the DXIs which I had in my old car. I was really expecting a night/day difference which I just didn't get.

I will have to report back once my doors have been sound deadened, but for now, the first impression let me down a little bit. When I put my DXIs in for the first time it hit me like "Bam".

I have done some reading on the polk forums however and many say you really just need to let these speakers break in. We will see.

12 of 24 found this helpful

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Buellski

Trinity fla

Overall
Durability
Value
Features
Design
Usability
Polk mm's best waterproof audio on the market

November 18, 2013

I have been using these in Harley's for years. Great quality and hold up to elements in Florida! Highly recommended

10 of 20 found this helpful

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jam757

Seattle, WA

Overall
Durability
Value
Features
Design
Usability
Incredible Clarity!

April 25, 2013

These things rock hard with incredible high notes and an awesome midrange. Paired with a nice amp and subwoofer your car is set for years to come. These are some of the best speakers that money can buy.

6 of 12 found this helpful

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white chicken

Seattle, WA

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Durability
Value
Features
Design
Usability
Absolutely STUNNING sound

April 23, 2013

I have these as my front speakers, paired with POlk db691s in the rear (running off my head unit), a Kenwood KAC-8405 amp and a Kenwood 10 inch sub. The amp is driving the sub and the MM6501. All I can say is that I'm completely blown away by the sound. The professional install was not cheap, but well worth it. These speakers sound incredible and they haven't even broken in yet. I've got the tweeter crossovers set at -3 and a little emphasis on the front speakers as the db691 are there to fill out the sound. I have NEVER been disappointed by a Polk product and these things will compare to the best speakers you can buy!!!

7 of 14 found this helpful

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Jerry

Philippines

Overall
Durability
Value
Features
Design
Usability
Great speakers

May 27, 2012

I bought this from another site. I used to have HiVi's in my front doors powered by Sound Magus HS 500. When i changed it to Polk MMs, it was totally different! It was a good decision that i changed my front separates to Polk MM, now im enjoying a very crisp and clear music while driving. Now im planning to change all my set up to Polk Audio.

6 of 12 found this helpful

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Accessory Tools and Products

Accessories added

NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

Your Price $39.99

Streetwires 25 ft. of True Spec 12 Gauge Speaker Wire

You need speaker wire to connect your speakers!

Your Price $44.95

Belva 23 ft. of True Spec 12 Gauge Speaker Wire

100% Copper Clad Aluminum, high strand count with ultra-flexible PVC blended jacket for easy installation

Your Price $9.99

12-10 AWG Butt Connectors

These yellow butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers.

Your Price $6.99

12-10 AWG Yellow T-Tap Adapters

Allows for fast and easy splicing of wires by easily tapping into the cable.

Your Price $4.49

12-10 AWG Quick Disconnect Connectors

These yellow quick disconnect connectors make it easy to connect and disconnect speaker wire your to your new aftermarket speakers!

Your Price $6.99

NVX SDDK12 Door Kit

Eliminates speaker panel distortion and reduces door vibration, rattles and squeaks!

Your Price $49.99

Dynamat Xtreme Door Kit 10435

Enough sound dampening to cover most doors!

Your Price $59.99

Stinger Roadkill Door Kit

Use this to eliminate rattle from your doors!

Your Price $46.99

Universal Wire Puller & Grabber

Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places!

Your Price $6.99

Xscorpion 9-Piece Nylon Plastic Pry and Chisel Tool Set

Easily removes dash/trims, door clips, panels and pins, rubber grommets and vehicle emblems.

Your Price $14.99

Xscorpion WDCR2 Window and Door Clip Remover

Removes and installs handle and window crank clips.

Your Price $6.99

NVX SDRLR1 Sound Dampening Rubber Roller

Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products!

Your Price $7.99

Items we think you might want
MM6501UM thumbnail
Polk Audio MM6501UM

• Peak Power: 250W
• RMS Power: 125W
• 1" Soft Dome Tweeter
• Mounting Depth: 2-5/8"
• Woven Glass Composite Cone
• 4 Ohms Impedance
• Sensitivity: 92dB

Your Price $219.99

Browse 4 questions and 18 answers
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Why did you choose this?
Sonic Electronix Store
These fit my vehicle and can handle more power than other similarly-sized speakers.
James U on Feb 20, 2015
Great reviews. Sounded so much better than the DB's
Jon F on Oct 16, 2014
these are going in a truck that works everyday sees a lot of dust and varying weather conditions, i like the fact that there torture tested and according to reviewers have excellent sound quality
Jesse D on Nov 26, 2014
bought the same speakers a few years ago sound is amazing bought these for the rear doors
Mike K on Sep 6, 2014
Is the Hifonics X200.2 a good amp for this set of speakers?
James U on Feb 20, 2015
Polk Audio MM6501
Polk Audio MM6501
Hifonics X200.2
Hifonics X200.2
Best Answer: Hi James,

Great match! Well done.

The X200.2 is providing 100w @4ohms & 200w @2ohms , where the Polk Audio MM6501 are running @2.7ohms , which means the speakers will land somewhere in the middle surely getting at Least the ~125w RMS the they are asking for.
Reply · Report · Customer SStaff on Feb 21, 2015
· Add Answer · I Have This Question Too (2)
If I bridge the two rear channels to run a single 4-ohm subwoofer, can the two front channels still run a pair of 2.7-ohm component speakers reliably? Thanks!
Dave J on Mar 5, 2015
Polk Audio MM6501
Polk Audio MM6501
NVX MVPA4
NVX MVPA4
Best Answer: Hello Dave,

Generally speaking, we do not suggest attempting to do so. However, IF your amplifier has the ability to run properly with such a setup, then the user manual will imply it. Even with that said, for amplifiers that say they Can [e.g. Rockford Fosgate R600-4D] we typically still do not attempt it out of reassurance that we aren't stressing the amp. Nevertheless, check with your manual and/or the manufacture.
Reply · Report · Customer SStaff on Mar 5, 2015
· Add Answer · I Have This Question Too (0)
If I bridge the two rear channels to run a single 4-ohm subwoofer, can the two front channels still run a pair of 2.7-ohm component speakers reliably? Thanks!
Dave J on Mar 5, 2015
Polk Audio MM6501
Polk Audio MM6501
Alpine MRV-F300
Alpine MRV-F300
Best Answer: It would work just fine. The lower impedance of those speakers up front will eg more juice than normal 4 ohm speakers would. The sub would only get about 150rms so match it up accordingly if you're buying that as well.
Reply · Report · erik m on Mar 5, 2015
· Add Answer · I Have This Question Too (0)

Product Summary

Manufacturer

Model Number

MM6501

UPC

747192114541

Weight

6.00lbs

Internal SKU

mm6501

Internal Product ID

15059

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Polk Audio MM6501