MTX ThunderForm

Custom-fit subwoofer — fits 2004-up Ford F-150 regular cab

Item #: 236F150RBT

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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 two premium-quality 12" Thunder4500 subwoofers, and mounts behind the front seat of your 2004-up Ford F-150 regular cab pickup. The enclosure is seamless and airtight, with the correct internal volume to yield optimum bass response from the subwoofer. For the ultimate in thundering bass, drive one with an MTX Thunder amplifier.

Product Highlights:

  • custom-fit subwoofer
  • rugged enclosure fits behind front seat
  • two 12" Thunder4500 subwoofers
  • high-density polyethylene enclosure
  • power range 100-450W RMS
  • frequency response 41-150 Hz
  • dimensions: 53-1/2"W x 18"H x 10"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

  • Black ThunderForm enclosure loaded with two 12" Thunder4500 subwoofers
  • 2 Flat washers
  • 2 Large self-tapping screws
  • Manual
  • 1 "MTX Audio" sticker

Product Research

Features
Warranty

Features

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

Thunder4500 Woofers: This enclosure comes loaded with two 12" Thunder4500 dual voice coil woofers. Each woofer has two 4-ohm voice coils. The woofers are wired together to present a 4-ohm load.

  • Carbon-filled Polypropylene Cones: Each woofer cone is made of carbon-filled polypropylene. Carbon adds strength and heat resistance to polypropylene; the result is reduced distortion and improved reliability. In addition, the cone is also very resistant to environmental extremes. Each woofer uses a polyether foam surround.
  • Asymmetrical Linear Drive System (ALDS): The Asymmetrical Linear Drive System consists of a flat, progressive spider that improves suspension and an extended vented 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.
  • Voice Coils: The voice coils are wound on high-temperature formers to promote high power handling.
  • Strontium Ferrite Magnets: The strontium ferrite magnets yield highly efficient speakers.
5-way Binding Posts: The enclosure has one set of gold-plated 5-way binding posts that will accept bare wire, pin connectors, spade lugs, banana plugs, and dual banana plugs.

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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Questions & Answers Ask the community. Share your knowledge.

1 question already asked

For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle. [ Krissy  Jan 28, 2014 ]  Staff

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