About the MTX ThunderForms
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.
This ThunderForm houses a rugged FPR subwoofer with a venting system that keeps it cool, so it'll handle the heat even if you've got the volume cranked.
Made for your vehicle
This enclosure installs under the rear passenger seat in select 2004-up Chevy Colorado, 2004-up GMC Canyon, or 2006-08 Isuzu Crew Cab trucks, extending out in front of the cup holder. 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.
- custom fit subwoofer
- high-density tan polyethylene resin enclosure
- enclosure fits under the rear seat and in front of the cup holder
- single down-firing 10" FPR 4-ohm subwoofer
- power range: 50-300 watts RMS
- warranty: 2 years
- Our 60-day money-back guarantee
- MFR # CCOLC04T10-FPR
What's in the box:
- ThunderForm with pre-installed 10" FPR shallow mount subwoofer
- Mounting hardware
- Installation instructions
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More details on the MTX ThunderForms
Vehicle-Specific Custom Enclosure: This MTX ThunderForm enclosure is specifically designed for installation in select 2004-2012 Chevrolet Colorado and GMC Canyon Crew Cab 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. It is a down-firing acoustic suspension (sealed) chamber.
Woofer: The ThunderForm enclosure is loaded with a 4-ohm, 10" MTX shallow mount FPR woofer.
Mounting Location: This enclosure is designed to mount under the rear seat and extend forward, under the cup holders, in front of the seat. The cup holders can still be used, the rear seat will still fold up and down, and the jack does not have to be moved. 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.
Tools Required: The manual provides this list of required tools:
- Powered Screwdriver
- #2 Phillips Head Bit
- Wire Cutters
- 5/16" Wrench
- 6" Bit Holder Extension
- 3" Socket Extension
- 18mm Deep Socket
- 18mm Wrench
- 3/8" Socket Wrench
Note: The manual provided is for both the amplified and non-amplified versions of this ThunderForm. Some of the tools may not be needed for this non-amplified ThunderForm.