MTX Amplified ThunderForms

1992-00 Chevrolet/GMC Suburban, 1995-00 Chevrolet Tahoe, 1992-99 GMC Yukon, 1992-94 Chevrolet Blazer, 1999-2000 Cadillac Escalade (Charcoal)

Item #: 236CS1ACTN

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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. But with custom ThunderForm enclosures, you can fill the nooks and crannies of your car, truck, or SUV with low tones that stand out.

MTX engineers evaluate the "sonic signatures" of top-selling vehicles so they can design ThunderForms as custom acoustic matches. With "rotational molding," MTX ensures that each ThunderForm fits and blends inconspicuously into your vehicle. They're made of high-density polyethylene resin to curb resonances and deliver bass that's tight, hard-hitting, and way down low. The enclosure is seamless and airtight, with the correct internal volume to yield optimum bass response from the subwoofers.

This MTX ThunderForm comes loaded with a premium-quality 10" Terminator subwoofer and a specially-designed amp that puts out 200 watts of power. It replaces the console in in the following vehicles: 1992-00 Chevrolet Suburban, 1992-99 GMC Yukon, 1995-00 Chevrolet Tahoe, 1999-00 Cadillac Escalade, and 1992-94 full-size Chevrolet Blazer.

Product Highlights:

  • high-density charcoal polyethylene enclosure
  • Terminator 10" subwoofer
  • built-in 200-watt RMS amplifier
  • variable low-pass filter (50-150 Hz at 12 dB per octave)
  • frequency response 29-160 Hz
  • 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

  • Charcoal amplified ThunderForm enclosure loaded with one 10" Terminator subwoofer
  • Two 20 amp fuses (1 in-line/1 installed in the ThunderForm)
  • Wiring harness (20' power lead/3' ground lead and 3' remote turn-on lead)
  • Speaker-level to RCA harness
  • Electronic Bass Control (wired remote) with attached cable
  • Large mounting bracket
  • Small mounting bracket
  • 4 Self-tapping screws
  • Installation instructions

Product Research

Features
Warranty

Features

Vehicle-Specific Custom Enclosure: This MTX ThunderForm enclosure is specifically designed to replace the factory console in select 1992-2000 Cadillac, Chevrolet, and GMC Escalade, Suburban, Yukon, Tahoe, and full-size Blazer models. Please refer to the Crutchfield Car Selector to confirm fit for your vehicle.

Enclosure: The ThunderForm enclosure is made of molded high-density polyethylene resin, which dampens resonance and is rigid enough to resist flexing. The color of the enclosure matches factory GM colors. Three cup holders (2 for the front and 1 for the rear) and a tray are molded into the top of the enclosure. It is a down-firing acoustic suspension (sealed) chamber.

Mounting Location: This enclosure is designed and molded to mount between the front bucket seats, replacing the factory console, with the woofer firing downward. Note: The provided dimensions are taken at the widest points of the enclosure. Keep in mind that these enclosures are custom made to fit in this particular vehicle, so the enclosure will fit properly in only one specific location. Mounting hardware is included to bolt the enclosure to the floor of the truck.

10" Terminator Subwoofer: This enclosure comes loaded with a single 10" MTX Terminator woofer. The woofer has an unusual impedance, specifically designed for the built-in amp, and cannot be replaced with a standard MTX model.

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 subwoofer in the enclosure.

Electronic Bass Control (EBC): The EBC is a wired remote and allows you to adjust the bass level from anywhere in the vehicle. Installing the EBC is optional.

Low-pass Crossover: The low-pass crossover point is adjustable from 50 to 150 Hz for a seamless transition between the output of this unit and that of the other speakers in the vehicle.

Controls:

  • Gain Control: rotary control; set the gain of the amplifier is match the input
  • Crossover Control: rotary control; adjust the crossover from 50 to 150 Hz

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, connecting the remote turn-on lead is required.

Tools Required: The manual provides this list of required tools:

  • Phillips Head Screwdriver
  • T50 Torx
  • 15mm Socket
  • 10mm Socket
  • Power Drill
  • Ratchet
  • 6" Ratchet Extension
  • 5/16" Wrench
  • Wire Crimper
  • Wire Cutters
  • 3/8" Drill Bit

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.

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