Sound Ordnance M2-8SVC

8" 4-ohm subwoofer

Item #: 777M284

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5 Reviews

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Add some boom to your ride

Win the battle for boom with subwoofers from Sound Ordnance. Throw one or two of these bad boys in your vehicle to give you bass you can feel. You'll love the difference these subs make, and adding them to your system won't destroy your budget.

Built like a tank

The M2-8SVC 8" subwoofer comes with a tough glass fiber cone that will keep its shape when the music's turned up, so your bass stays accurate. The butyl rubber surround helps keep the woofer's movement on track, and it'll stay pliable for years to come. The stamped steel basket provides a stable home for the whole assembly, so your bass plays the way it should. Also, Sound Ordnance backs up this sub with a 3-year warranty, giving you peace of mind while you're rocking hard. 

To drive this single subwoofer, we recommend a mono amplifier rated between 120 and 225 watts RMS at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

Product Highlights:

  • 8" 4-ohm subwoofer
  • glass fiber cone
  • butyl rubber surround
  • stamped steel basket
  • power range: 50-150 watts RMS
  • peak power handling: 300 watts
  • frequency response: 34-1500 Hz
  • sensitivity: 86.5 dB
  • top-mount depth: 4-1/16"
  • sealed box volume: 0.35-0.67 cubic feet
  • ported box volume: 0.53-1.06 cubic feet
  • warranty: 3 years
  • Our 60-day money-back guarantee

What's a component sub and why would I want one?

A component sub is simply a speaker that's designed to reproduce bass once it's installed in a compatible enclosure. Think about the impact of a movie soundtrack in a big theater or even in your own home HDTV setup. A component sub can add the same kind of power to the music in your car. And a car sub is not all about the boom that you hear on a street corner (although that's cool too) - you can pair a component sub with your choice of enclosure to get bass just the way you like it, from tight and punchy to fat and loose. And once you experience music in your car with a well-tuned subwoofer, you'll never go back.

Sound Ordnance M2-8SVC Reviews

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Sound Ordnance M2-8SVC

Written By Sam, Virginia on Sunday, June 07, 2015

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

Very good sounding speaker for the price , not only that you get a 3 year warranty with it as well, I don't have an amp hooked up to this speaker yet just breaking them in ,but it still sounds good.. I can imagine what it will sound like once i hook the amp. I like the wire hook-up to the speakers, just like the home style speakers.

Pros: Excellent Speaker

Cons: None

Great little sub!!

Written By ELPQ35, Kansas City, MO on Monday, May 18, 2015

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

This is a great little subwoofer. I purchased to replace a busted OEM subwoofer in my 2002 Ford Expedition. I read some of the forums only before purchasing and I have successfully install this subwoofer and the Sound Ordnance M2100 amplifier in the stock enclosure/location with very little modification. I was able to keep the original power and signal wiring as is but I changed the fuse in the amplifier to a 25A fuse to protect the original power cables. I did have to modify the original subwoofer enclosure. This 8" was too deep for the box b/c of the reverse hump in the back. Online someone said they heated it until it flatten out. I just cut the plastic hump out and filled it with a piece of MDF wood. I did not add any additional poly-fill other than the stock stuff that's in there. I measured the enclosure and it is roughly 0.6 cubic ft which makes it suitable for this subwoofer. Now this is an 8" so don't expect it to do any damage but it is a great upgrade for stock 8" subwoofers. I highly recommend. For the amplifier, I had to remove the shiny silver plastic by removing the screws and tearing off the decorative silver plastic. Fit well in original amplifier location with cup holder removed.

Pros: Great sound from small package

Cons: None

jbe_cherokee_M2_8SVC

Written By jbeintherockies, Aurora, CO on Sunday, August 31, 2014

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

I am using this sub in my 2000 XJ in the Select Increments XJ-Pod 8" Subwoofer box (sealed) for 84-01 Jeep Cherokees. The sub is powered by the Sound Ordnance M-1350 amp and the head-unit is the Alpine CDE-153BT CD Receiver. Together, it sounds great and I wish I had done this years ago.

Pros: Great sound, better than I expected out of an 8" sub, especially for the price! I really like S.O.!

Cons: None

Sound Ordnance M2-8SVC

Written By Luke D, Norwich,CT on Monday, June 30, 2014

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

Great value, built like a tank.

Pros: A++ all the way around

Cons: NA

Sub

Written By G-man, Denver co. on Friday, September 13, 2013

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

I needed some bass in my old vehicle and did not want to spend to much. Called up and spoke to the rep and he suggested the 8" for my application, due to using my old amp for power. Crutchfield is great because they helped me figure out how to bridge the amp that I bought from them in 1999. Lifetime support baby! Anyway, got my sub, built a box to fit under the passengers seat and hooked everything up. It sounds great! Fills in all the sound and thumps like my old 10" sub that I used to have in my truck. My kids love the sound system, and now we have a great time in the car listening to all types of music. Next I'm upgrading the stock door speakers. What will I buy? Sound Ordinance components.

Pros: Full sound with little space

Cons: So loud, could hurt your ears. But that's why I bought it.

Hands-on research

What's in the box?

Download owner's manual

  • One 8" Woofer
  • Rubber gasket/ concealing ring (installed)
  • Owner's manual
  • Warranty information

Product Research

Features

Glass Fiber Cone: The cone is glass fiber, a rigid, yet light weight material that minimizes cone flex, resulting in low distortion and improved clarity.

Butyl Surround: The surround is butyl rubber to promote long life and durability.

Binding Posts: The 5-way binding post speaker terminals will accept spade connectors, single or dual banana plugs, pin connectors, or bare wire up to 10 gauge.

Concealing Ring: The woofer includes a removable, rubber gasket/concealing ring used to hide the woofer's mounting screws for a neat and professional looking installation.

Sealed Box Volume: The recommended sealed box volume is 0.53 ft³ (from 0.35 ft³ to 0.67 ft³ is acceptable).

Vented Box Volume: The recommended vented box volume is 0.78 ft³ with a 3" diameter x 11.4" long port (0.53 ft³ to 1.06 ft³ is acceptable).

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.