1.888.955.6000
 
 
1-888-955-6000
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Crutchfield

MTX Amplified ThunderForms

Custom-fit powered subwoofer for 2001-06 Chevrolet Tahoe and 2001-02 GMC Yukon

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  • MTX Amplified ThunderForms

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  • MTX Amplified ThunderForms

  • MTX Amplified ThunderForms

 

Our take on the MTX Amplified ThunderForms

by Ken Nail
MTX

Vehicle-specific enclosures with subs? Say what?

Instead of the usual sub in a box, the manufacturer creates a molded enclosure that fits perfectly into a convenient spot in your specific vehicle, housing a high-quality sub. Some enclosures even include a built-in amp, for the ultimate in stealth bass. The advantages? You don't lose much space (if any), your sub is perfectly matched to its enclosure, and your enclosure has a factory look that won't tell potential thieves you have an awesome sound system. Doesn't get better than that.

Crinkled french fries, discarded receipts, old gum wrappers — you probably have everything in the hidden corners of your vehicle except great bass. ThunderForm enclosures fill the nooks and crannies of your vehicle with low tones that stand out, but their factory look blends right in.

MTX engineers evaluate the "sonic signatures" of top-selling vehicles so they can design ThunderForms as custom acoustic matches. Each ThunderForm fits and blends inconspicuously into your vehicle, so you get great bass without losing any space. They're made of high-density polyethylene resin to curb resonances — they deliver bass that's tight, hard-hitting, and way down low. The airtight enclosure provides the correct internal volume to yield optimum bass response.

Built-in 200-watt amp and 10" sub
This amplified ThunderForm comes equipped with a cool-running 200-watt amp that's custom designed to provide optimal power to its 10" FPR subwoofer without straining your vehicle's electrical system. MTX's Electronic Bass Control (EBC) lets you adjust the bass level from the driver's seat. A variety of inputs allow easy integration into your vehicle's sound system, and the included 20' power harness simplifies supplying power to the amp.

Made for your vehicle
This enclosure installs behind the factory panel under the driver side rear window in the cargo area of your 2001-06 Chevrolet Tahoe or 2001-02 GMC Yukon. Please check with us before purchasing by using the vehicle selector on our site, or calling an Advisor at 1-888-955-6000 to verify fit information.

Highlights:

  • custom-fit powered subwoofer
  • enclosure fits under the driver side rear window in the cargo area behind the factory panel
  • one 10" FPR subwoofer
  • built-in 200-watt RMS Class-D amplifier
  • high-density polyethylene enclosure
  • variable low-pass filter (50-150 Hz at 12 dB per octave)
  • preamp- and speaker-level inputs
  • 20' power harness included
  • warranty: 1 year
  • Our 60-day money-back guarantee
 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • Black amplified ThunderForm enclosure loaded with one 10" MTX audio subwoofer and a 20A ATC fuse
  • Cloth grille
  • Wiring harness (20' power lead/3' ground lead and 3' remote turn-on lead)
  • 1 Fuse holder with attached wire loop
  • One 20A ATC fuse
  • One 0.202" crimp-on ring
  • One 0.414" crimp-on ring
  • 1 Yellow butt connector
  • Two 5' RCA high-level input wires (each wire has an RCA connector on one end and tinned wire on the other end)
  • External bass control with attached 17.5' cable (has a right-angle minijack stereo connector)
  • 1 Plastic knob (for the external bass control)
  • 1 Metal mounting bracket
  • Two 3/4" self-tapping screws
  • 1 Medium flat washer
  • 2 Small flat washers
  • 2 Lock washers
  • 1 Hex nut
  • One 3-3/4" cable tie
  • 1 External bass control sticker
  • 3 "L" brackets
  • 8 Self-tapping screws
  • 1 Nylon strap
  • 2 Plastic brackets
  • 4 mounting screws
  • Manual
  • Template

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.

Features
Warranty

Features

Molded Enclosure: The molded, high-density polyethylene resin enclosure resists flexing and dampens resonance.

MTX Audio Subwoofer: The ThunderForm houses a single proprietary 0.35 ohm woofer. The woofer features a long excursion voice coil and is designed to take full advantage of the efficiency of the enclosure's Class D amplifier giving you powerful, low frequency bass extension

Class D Amplifier: The enclosure contains a built-in 200-watt Class D (digital) amplifier that allows RCA or speaker-level input. The amplifier is highly efficient and designed specifically for use with the subwoofers in the enclosure.

Built-in Low-pass Filter: The low-pass filter frequency can be varied from 50 to 150 Hz for a seamless transition between the output of this unit and that of the other speakers in the vehicle.

Auto Turn-On Feature: When the speaker level inputs are used, the system will automatically turn on and off with the radio.

Note: The auto turn-on feature does not operate when the preamp level inputs are used, unless the remote turn-on lead is connected.

External Bass Control: The external bass control allows you to adjust the bass level from anywhere in the vehicle.

Protection Circuitry: The MTX ThunderForm features over voltage, over current and voice coil short protection circuitry to protect the built-in amplifier and mounted subwoofer.

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.
 
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MTX Amplified ThunderForms Reviews

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5 out of 5

Cannot believe how great this sub sounds!

Written By CraigC, Fort Myers, FL on Monday, June 04, 2012
Crutchfield Customer Review (What's this?)
 
I was looking for a relatively simple way to get some bass in my 02 Yukon and this fits the bill perfectly! All of my speakers were completely shot so I replaced the deck, speakers and sub and couldn't be happier with my purchase. I wasn't expecting too much from this as I wanted to install it quickly (i.e. not running RCA's and turn on lead to the deck in addition to having to run a power wire up to the battery) and wasn't sure how it would sound with just the stock speaker wires plugged into high level RCA inputs on the sub. It sounds unbelievable! There's plenty of bass response from very low freqs to a nice punchy mid-bass and, even though I didn't install the extra bass control knob (another thing to run to the deck!), I can control the bass just fine from the deck and dial it in just right. For the convenience and great bass it can't be beat!
Pros:
Great bass, pretty easy to install (I'm a musician not a stereo installer!), construction looks very good
Cons:
Nothing that I dislike
6 out of 7 people found this helpful
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Add accessories for the MTX Amplified ThunderForms

You'll need speaker wire to get the signal from your amp to your sub. See all categories & accessories

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For a more in-depth review and enhanced detailed information on the MTX Amplified ThunderForms, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_236CTYABFP/MTX-Amplified-ThunderForms.html ).

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