Customized to Your Vehicle, Made to Hide Subwoofers in Unused Space
For over 20 years MTX has been manufacturing ThunderForm vehicle specific custom enclosures that are designed to be installed in space that would otherwise go unused in your vehicle. All models are made in our manufacturing facility in Monroe, WI by our MTX technicians to ensure that your experience is more than you expected.

All ThunderForm models are durable enclosures, often matched to your interior.
  • Amplified models include an integrated high efficiency amplifier and custom subwoofer that deliver an exceptional performance.
  • Loaded models include a custom 4Ω subwoofer that can be used with existing amplifiers or with upgraded amplifiers.
MTX ThunderForm Dodge Magnum Custom Subwoofer Enclosure

Dodge Magnum ThunderForm

MTX ThunderForm Ford F150 Custom Subwoofer Enclosure

Ford F150 ThunderForm

MTX ThunderForm Custom Subwoofer Enclosure

Chevrolet 2500/3500HD Crew Cab ThunderForm

ADD SOME THUNDER! Bring concert sound to your ride...

For over 20 years MTX has been manufacturing ThunderForm vehicle specific custom subwoofer enclosures that are made to the highest standards to ensure that your audio experience is even better than you expect.

  • Easy install with perfect factory fit
  • Utilize unused space in vehicle
  • Easily Integrates with factory audio system
  • Includes installation hardware for an easy, flawless install

Get ThunderForms How You Need Them

MTX Amplified ThunderForms

Loaded

Includes:

    • ThunderForm Enclosure
    • Installed Subwoofer(s)

Loaded models include a custom 4Ω Terminator subwoofer. These models can be used with existing amplifiers or with upgraded amplifiers.

MTX Amplified ThunderForms

Amplified

Includes:

  • ThunderForm Enclosure
  • Installed Subwoofer(s)
  • Built-in Amplifier

Amplified models include an integrated high efficiency amplifier and custom subwoofer that deliver an exceptional performance with easy installation. Mounting hardware and amplifier kits are included in each model to make installation easy.

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