MTX's Road Thunder subs dish out heavy-hitting bass in your ride, perfect for filling out rock, R&B, jazz, classical, or anything else on your playlist. The RTS8-44 sub features an 8" polypropylene cone supported by a big rubber surround that resists cracking or separating. The sub's cooling system features forced-air venting in the stamped solid-steel frame that keeps the voice coils cool. The uniquely shaped spider assembly and extended pole piece ensure linear cone movement, so your bass sounds full, deep, and clean.

Dual 4-ohm voice coils allow you to wire this sub for 2- or 8-ohm impedance, giving you more flexibility in setting up your system. MTX optimizes this Road Thunder sub for sealed, ported, and bandpass enclosures so you can choose the type of bass you want in your ride. And MTX protects this sub with their unique 5-year warranty.

Product Highlights:

  • 8" subwoofer with dual 4-ohm voice coils
  • polypropylene woofer cone with nitrile-butyl rubber surround
  • stamped solid-steel frame
  • power range: 100-200 watts RMS (600 watts peak power)
  • frequency response: 35-150 Hz
  • sensitivity: 85.7 dB
  • top-mount depth: 3-15/16"
  • sealed box volume: 0.50 cubic feet
  • ported box volume: 1.0 cubic feet
  • warranty: 5 years (free repair or replacement for 2 years; prorated replacement for years 3 through 5)
  • 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.

Hands-on research

What's in the box?

Download owner's manual

  • One 8" Dual 4-ohm voice coil subwoofer
  • Specifications and wiring instructions

Product Research

Features
Enclosure Compatibility
Warranty

Features

Cone Design: The woofer uses a polypropylene cone with a raised MTX Audio logo. The NBR (Nitrile Butadiene Rubber) surrounds are resistant to ozone and UV rays for extreme durability.

Dual 4-ohm Voice Coils: This woofer features dual 4-ohm voice coils, offering wiring flexibility. When the voice coils are wired in parallel the woofer presents a 2-ohm load. When the voice coils are wired in series the woofer presents an 8-ohm load.

Voice Coil: The 1-1/2" diameter, eight layer voice coil is designed for high power handling and large linear excursion.

Asymmetrical Linear Drive System (ALDS): The Asymmetrical Linear Drive System consists of a flat, progressive spider that improves suspension and an extended pole piece that smoothes out the cone's linear motion. The result is high output and low distortion.

Spider Plateau Venting: Heat from the voice coil is vented through metal-mesh covered vents that surround the back of the spider. As the woofer travels back and forth, cool air is pulled in and heated air is pushed out.

Terminals: The woofer features two pair of heavy-duty chrome spring post terminals which can accept single banana plugs, pin connectors or bare wire up to 10-gauge.

Enclosure Compatibility

Sealed Box: For the best possible sound quality where space is a premium MTX recommends a sealed enclosure with an internal volume of 0.5 ft³. Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.

Vented Box: The recommended vented box has a net internal volume of 1.0 ft³ with a slotted port 10-1/2" x 2" x 22-1/2". Vented (or ported) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from less power.

Warranty

5 Year Warranty Terms: This product carries a 5-Year Prorated Warranty with the following terms:

  • Years 1-2: Products found to be defective in materials or workmanship during the first two years will be, at Mitek's option, repaired or replaced by Mitek at no charge. The warranty period does not renew, but continues on from the original date of purchase.
  • Years 3-5: The purchase price of an item which becomes defective after the first two years and prior to the end of the warranty period will be prorated and credited toward the purchase of a new MTX product. The amount of proration is determined by dividing the original purchase price by the number of months in the warranty period (60), then multiplying the result by the number of months remaining in the warranty period.

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 open the box, verify contents, 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.

MTX RTS8-44 Reviews

Average Customer Review:

7 reviews
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scratch and dent rocks

Written By Oskar, Chandler, AZ on Thursday, February 13, 2014

Crutchfield Customer Review (What's this?)

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

Bought this sub to replace the factory 8 in my Navigator. Very satisfied, sounds amazing and the "scratch and dent" price is unbeatable. I see a new deck in my future being ordered from your site. Thanks

Pros: Even though it was a scratch and dent item there was no visible flaws. Looks great and sounds even better.

Cons: None

Good Quality

Written By Don, Florida on Sunday, January 26, 2014

Crutchfield Customer Review (What's this?)

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

Good product for the money. Put twin 8" woofers in and they perform excellent, even in small enclosures. Sound good and they perform well.

Pros: Look quality built and good instructions for installation.

Cons: None

not bad for a little one

Written By Tm., Coachella,CA. on Thursday, January 23, 2014

Crutchfield Customer Review (What's this?)

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

very good item. no"t bad for a little one 8" woofer is just to give a small solid bass on the insaide of the car

Pros: we have fun setting this up. thanks. Crutchfield.

Cons: you have to cut just a little bit around where is goint to be setting down

Very impressed.

Written By (sic), Sacramento, Ca on Sunday, January 12, 2014

Crutchfield Customer Review (What's this?)

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

I originally purchased this to replace the factory woofer in my wife's 2002 Ford Expedition. But four days after putting it in (it sounded good but a better amp would have really made it sing) the amp totally died. So I borrowed an amp and a sealed box from a friend and now i'm running it in my 1990 Acura Integra. It sounds great playing my rock, metal, and some dubstep.

Pros: Nice sound. Has a decently hard hit considering the size. In a sealed box it plays rock and metal really well. Some dubstep songs sound pretty good.

Cons: Doesn't carry a long note, even in a vented box, so I wouldn't recommend for rap or electronica listeners.

GMC Yukon factory sub replacement

Written By Anonymous, East Hanover, NJ on Thursday, December 05, 2013

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
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Direct replacement 1/2 hour install time

Pros: Super upgrade for factory sub

MTX 8" Road Thunder 2ohm DVC

Written By Phipps, Atlanta, GA on Thursday, June 06, 2013

Crutchfield Customer Review (What's this?)

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

I needed some more bottom end to compliment the Harmon Kardon sound in my 2012 Mini Cooper S. Space is a premium and I did not want a huge box. So this 8" in a sealed enclosure sounds incredible and people ask if it is a 10" or more when they hear it. Clean high wattage can make an 8" as lethal as anything else if designed and tuned properly. My first MTX and I'm impressed.

Pros: Great value, great sound, can take power cleanly, shallow mount depth

Cons: Possibly smaller magnet, but that helps it be shallow mount and no performance loss

Great sound!

Written By Jalyn, Columbus,OH on Wednesday, May 08, 2013

Crutchfield Customer Review (What's this?)

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

It did more than I anticipated!

Pros: The versatility of the DVC, Power handling, Clairity

Cons: None

Get everything you’ll need to enjoy your new MTX RTS8-44

We've verified that these enclosures are a good match for this subwoofer.
It's critical to have good wire, and none is included with the sub.
Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car.
Add a grille and keep your sub safe.
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Questions & Answers Ask the community. Share your knowledge.

1 question already asked

I don't know .I installed my in Toyota tundra 07. [ Sergey  Jan 05, 2014 ]
THE SPEAKER DIAMITOR IS 7 1/8". SO IF YOUR OPENING IS THAT BIG IT SHOULD. IT IS ABOUT 6" OR 8" DEEP. [ PAULA  Dec 31, 2013 ]
Cannot see why not give it a try [ TIM C  Dec 31, 2013 ]