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MTX Audio Thunderform S120S

Dual 12" Split Unloaded Bass Slammer Wood Enclosures (Designed to Fit Thunder Thin TT6512 Subwoofers)

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Authorized MTX Dealer
Don't have a lot of room to fit a subwoofer in your vehicle? Often times the Shallow-mount subwoofers are the perfect solution. Bass Slammer has constructed the perfect enclosure for the MTX Shallow mount Thunder Thin series subwoofers. Now you can hear your bass loud and clear, even with limited space in your car.
  • Dual 12" Split Unloaded Wood Enclosures
  • Designed specifically to Fit Thunder Thin TT6512 Subwoofers
  • Includes two separate enclousres
  • Mounting depth: 4-11/16"
  • Cutout diameter : 11-1/8"
  • Box volume: 0.67 cubic feet (per chamber)
  • Dimensions: 5"TD x 6-1/2"BD x 23-1/8"W x 15-3/4"H
  • Authorized Internet Dealer
  • 30 Day return policy
  • 1-year Manufacturer's warranty
Speaker Box / Enclosure Specifications
Subwoofer Size12"
Subwoofer Cutout ShapeRound / Circle
Box TypeSealed
Number of Subs/Speakers2
Box Style/ShapeHatchback Style, Angled Back
Cutout Diameter or Length11-1/8"
Maximum Speaker Depth4-11/16"
Total Box Volume0.67 cubic feet
Height15-3/4"
Width23-1/8"
Depth5"
Second Depth6-1/2"
Wood Thickness3/4"
Number of Terminals2
Terminal TypeSpring posts (banana clip ready)
Box Exterior ColorGray
Box FinishCarpet
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Speaker Wire
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Sound Dampening Material
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Enclosure Accessories
Everything you need to install your subwoofer. From quick disconnects to polyfil, whatever you need will be here.
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Banana Clip TerminalsBanana Clip Terminals
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Insulated Female Quick Disconnect ConnectorsInsulated Female Quick Disconnect Connectors
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20 oz. Bag of Poly-Fil20 oz. Bag of Poly-Fil
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16 oz. Can of Adhesive Spray16 oz. Can of Adhesive Spray
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Main Product
 ProductPriceAdd?
MTX S120SMTX Audio Thunderform S120S$69.99

Product Summary

Manufacturer: MTX
Model number: S120S
UPC: 715442570515
Weight: 32.50 lbs
Internal SKU: s120s
Internal product ID: 14837

Price Information

$129.99

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$69.99

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Customer Testimonial

Price was right, shipping was within 24hrs, very happy with car stereo. My 15yr old son & I installed it in our 98 Monte Carlo in 1hr & 15min. He doesn't believe that back in my day it took hours (into the late night) to install a car stereo. Installation kit w/ wire harness made it a breeze.

- mkissinger from Indiana

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