Polk Audio MM1040

350W 10" Mobile Monitor Series Single 4 ohm Marine Certified Car Subwoofer

Product videos

• 700W Peak
• 350W RMS
• Polymer Woofer Cone
• Butyl Rubber Surround
• Klippel Distortion Analyzer
• 2" Copper Voice Coil
• Marine Certified

Learn more about the mm1040

We apologize

This item has been discontinued

Product Highlights

• 700W Peak
• 350W RMS
• Polymer Woofer Cone
• Butyl Rubber Surround
• Klippel Distortion Analyzer
• 2" Copper Voice Coil
• Marine Certified


Polk Audio

Authorized dealer

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

  • 10" Single 4 ohm Mobile Monitor Series Subwoofer
  • Power Handling:
    • Peak: 700 watts
    • RMS: 350 watts
  • Impedance: Single 4 Ohm
  • Polymer woofer cone
  • Butyl rubber surround
  • Carbon Composite Basket is very lightweight and will not flex during use
  • Marine Certified
  • Heavy duty terminals can be used with speaker wire up to 8 gauge or two twisted pairs of 12 gauge
  • Klippel Distortion Analyzer results in the best possible performance at any listening level
  • 2" High temperature copper voice coil
  • Frequency response: 24-200 Hz
  • Sensitivity: 91 dB
  • MM Series Subwoofer Grills Available in Silver or Black
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product history:

Polk Audio MM1040 thumbnail
(newest, current model)
Polk Audio MM2104 thumbnail
(previous model, replaced by Polk Audio MM1040)

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Polk Audio MM1040 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Polk Audio MM1040 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Polk Audio MM1040 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Polk Audio MM1040 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
Mobile Monitor Series
Subwoofer Size
Peak Power Handling
700 watts
RMS Power Handling
350 watts
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
Frequency Response
24 - 200 Hz
91 dB
Xmax (millimeters)
25 mm
Subwoofer Design
Round / Circle
Main Cone Color
Woofer Composition
Polymer/Mica Composite
Woofer Surround
Butyl Rubber
Subwoofer Grille
Re-Cone Kit Available
Recommended Enclosure Specifications
Minimum Sealed Box Volume
0.66 cubic feet
Maximum Sealed Box Volume
0.66 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Shallow Mount Installation
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


Model Number:




Internal SKU:


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Product and How-to Videos

  • Polk Audio Mobile Monitor Series Subwoofers | Product Overview
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews

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Customer Reviews

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Nice slim design sub!

I installed one of these in a truck an made a sealed box for it, and it sounded great! The quality was good, and for a slim sub woofer it hit hard. If you compare this slim design sub with others in its price range, you will see its rms power, sensitivity, and frequency response, is on average better. Great value, would definitely recommend it to anyone.

By Dimitri on June 24, 2010


found this helpful.

Great Sub

The polk mm1040s replaced my jl 10w3s due to coils being burnt. I have to say the polks are louder and sound better than jl 10w3. I was skeptical at first due to jl's high quality and repetition. I tried the polk because their sensitivity rating was 7 points higher so i tried them. Now I believe I'm a polk fan. Just awesome subs!

By Robert on July 19, 2010


found this helpful.

excellent build quality.

i bought these, and would recommend them to anybody who wants a very well built sub for a very decent price. Sound is great out of a small enclosure, goes low, hits hard, everything i was expecting and more.

By crystal on October 17, 2011


found this helpful.

Packs a punch, and crystal clear

I've been running the MM1040 for 6 months now, and am always impressed with how powerful it is, while maintaining the clean sound Polk Audio is known for. I've since replaced all of my stock speakers with Polk Audio db Series speakers, and will stick with these from now on. I also love the clean look these subs have, what's with the cheesy deformed look of most subs these days? I get a ton of compliments on this sub.

By jermag on August 29, 2010


found this helpful.

Don't push them with a real amp, they aren't 350 watts RMS.

Have had a MTX 6500D for over 10 years. Rated at under 700watts rms from a factory bench test with a birth certificate like any good amp would, perfect match for two of these or so I thought. I was lied to about these subs RMS, I was lied to about the warranty by both Polk and Sonicelectronics. They consider it "physical abuse" to run these subs anywhere near their rated watts. They should be responsible for the subs and the amp that was collateral damage, but its easier to just lie to people. These are the qualities that you get from a low price retailer and a poor persons brand like Polk. Tried to be thrifty just once, never owned Polk before and it bit me. Back to the name brands in audio that don't come with a made in china sticker. Sonicelectronics offered me a "discount' on another item as "goodfaith". Yeah right, maybe if I go broke and can't afford a better retailer that backs up their products and their words like "One year warranty"

By Audio Guy on March 26, 2015


found this helpful.

Pretty Potent Subs!

Cannot beat these Polk MM Series subs for the price and power handling. Would be more dynamic if installed in a slightly larger enclosure however due to space limitations in my vehicle, Can't quite get the wider range I was hoping for. Other than that, they are awesome!

By Uchina on June 26, 2012


found this helpful.

Good sound quality

Have this sub running off a Crunch 500.2 and it sounds great, could use at least 100 watts more to push it but it's doing fine.

It hits some very distinguishable notes not noticed in 12" subs, it would be better to have range of bass than just the one, as 12" only allots for deeper notes and not some of the higher bass notes some music can utilize.

Got this hooked-up in a F150 and the sound resonates near perfect, plenty of room behind the seat so I could either purchase another to complement or get another range of bass with 8's or a 12, or both.

All in all 10" sub for this price is a good deal, will be looking up more Polk audio products here.

By semi-detached on November 10, 2009


found this helpful.

Great Sound for Size

I recently came out of a Honda Accord with two 12" subs in the trunk, and moved into a Truck. I didn't want to lose my back seats so I was forced to downsize my speakers to 10" subs that would fit under my seat. For having as shallow of a mount as these speakers do, they sound really good and i am very pleased with the sound. Of course they don't catch the same lows as 12" do but they definitely do their job!

By Jon on June 16, 2009


found this helpful.

Great sound quality

I have 2 of these in a sealed box. I waited a few weeks to break them in a bit before I wrote a review. They have a tight, clean, crisp sound to them. They go pretty low as well. They will get louder after about 40 hours of play time. I've already heard a difference. My mirrors shake like crazy. If you want sound quality but don't want to spend JL Audio prices then these are for you.

By Steven on March 13, 2012


found this helpful.

Excellent Sound for the Buck

This woofer was easy to install and the sound out of it is fantastic. Only wish they would include the grill as you have to purchase that seperate.

By Lloyd on September 28, 2009


found this helpful.


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