MTX Amplified ThunderForm

Custom-fit powered subwoofer — fits select 2007-up GMC Yukon, Chevy Tahoe, or Chevy Suburban with bucket front seats

Item #: 236CTYATTN

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1 Review | 1 question - 2 answers

Was:$699.99

Sale:-$105.00

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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. The high-density polyethylene resin enclosure curbs unwanted resonances from your sub, so you'll hear bass that's tight, hard-hitting, and way down low.

This molded MTX ThunderForm comes loaded with a premium-quality 10" Terminator subwoofer and a specially-designed amp that puts out 200 watts RMS of power. It installs inside the factory center console of your 2007-up GMC Yukon, Chevy Suburban, or Chevy Tahoe with bucket front seats. MTX's Electronic Bass Control (EBC) lets you adjust the bass level from the driver's seat. Hardware and harness are included.

Important Note: This enclosure will not work in trucks with AC vents on the back of the center console, or in vehicles with the deep storage area in front of cup holders.

Product Highlights:

  • custom-fit powered subwoofer
  • enclosure fits inside front center console
  • one 10" Terminator 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)
  • Electronic Bass Control
  • preamp- and speaker-level inputs
  • 20' power harness included
  • dimensions: 22-3/5"L x 6-1/2"H x 11"D
  • warranty: 5 years (free repair or replacement for 2 years, prorated replacement for years 3 through 5)
  • Our 60-day money-back guarantee

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.

Hands-on research

What's in the box?

Download owner's manual

  • Tan 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

Product Research

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.

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 Amplified ThunderForm Reviews

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mtx thunderform

Written By henryi, desplaines il. on Friday, May 30, 2014

Crutchfield Customer Review (What's this?)

best money i ever spent ! great bass in such a small package

Pros: great bass , very well built,great idea with plug and play wiring

Cons: brackets to mount enclosure could use some refining

Get everything you’ll need to enjoy your new MTX Amplified ThunderForm

You'll need speaker wire to get the signal from your amp to your sub.
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Questions & Answers Ask the community. Share your knowledge.

1 question already asked

Jeff I bought the mtx amplified thunderbox for my 2008 Tahoe it mounts inside center console. Very happy with it great bass fairly easy to install in my opinion comes with everything but rca patch cord I used 6ft. Everything else plug and play fits like a glove plenty of bass solid buy great quality.good luck Henry! [ HENRY M  May 28, 2014 ]
We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question. [ Krissy  May 28, 2014 ]  Staff

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