Adding bass to a truck can be a very complicated problem to tackle, especially when building a box! We offer pre-built enclosures that are ready to be dropped into your 88-98 Chevy CK / GMC Sierra truck that offer unbeatable...

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Adding bass to a truck can be a very complicated problem to tackle, especially when building a box! We offer pre-built enclosures that are ready to be dropped into your 88-98 Chevy CK / GMC Sierra truck that offer unbeatable performance and sound quality that simply cannot be matched. This is a dual 12" down firing model, why down firing? This style enclosure actually increase the SPL output of your subwoofers forcing the sound waves to travel up in down inside the cab before reaching the listener. The woofers are spaced off the floor so it's not possible for them to hit the floor while playing. It also keeps the subs out of view for security concerns. Overall you cannot find a better fitting or sound box at this price!   Our boxes are made from precision cuts of MDF. They are then liquid nailed, nailed and completely sealed. We then wrap them with high quality carpet that matches most vehicle interiors. All Boxes feature high grade spring loaded terminal cup(s) for the absolute best connection possible. All the custom series enclosures are made to fit precisely into your Chevy CK 88-98 Extended Cab to the get the max performance from every extra inch of wasted space. We guarantee you will not only see a difference in the quality of the boxes we build, but you will hear the difference and that is what is it is truly all about.

  • PREMIUM CRAFTSMANSHIP: Constructed from rugged and resilient materials, this enclosure is built to withstand the daily wear and tear of vehicle use and the challenges of the road. It guarantees consistent performance and long-lasting reliability. The custom fit and finish of this enclosure ensure that it seamlessly blends with your Chevrolet C/K's interior, maintaining the vehicle's aesthetics as if it were factory-installed.
  • SOUND QUALITY: The 2X12GMOLD ensures that every note and beat is reproduced with remarkable clarity and precision, allowing you to experience your music with unparalleled depth and richness. The carefully engineered design eliminates unwanted vibrations and resonances, allowing your subwoofers to perform at their best. Whether you're into heart-pounding bass drops or subtle acoustic melodies, the Asc 2X12GMOLD delivers a wide range of frequencies with accuracy, giving you a truly immersive listening experience.
  • CUSTOM FIT: The 2X12GMOLD enclosure is meticulously engineered to seamlessly fit into the rear seat area of 1988-1998 Chevrolet C/K Extended Cab trucks. It maximizes available space while maintaining a sleek and factory-like appearance. This enclosure is designed to house two high-quality 12-inch subwoofers, delivering powerful and deep bass that transforms your vehicle's audio system into a dynamic sound powerhouse.
  • Dimensions: Width 56-3/4" x Front Height 10" x Rear Height 6-1/4" x Depth 13-1/4"
  • ADDITIONAL ITEM SPECS: Mounting Depth of 5" making it compatible with the majority of 12-inch subwoofers and a total Air Space of 0.95 Cubic Feet for increased output
  • PREMIUM CRAFTSMANSHIP: Constructed from rugged and resilient materials, this enclosure is built to withstand the daily wear and tear of vehicle use and the challenges of the road. It guarantees consistent performance and long-lasting reliability. The custom fit and finish of this enclosure ensure that it seamlessly blends with your Chevrolet C/K's interior, maintaining the vehicle's aesthetics as if it were factory-installed.
  • SOUND QUALITY: The 2X12GMOLD ensures that every note and beat is reproduced with remarkable clarity and precision, allowing you to experience your music with unparalleled depth and richness. The carefully engineered design eliminates unwanted vibrations and resonances, allowing your subwoofers to perform at their best. Whether you're into heart-pounding bass drops or subtle acoustic melodies, the Asc 2X12GMOLD delivers a wide range of frequencies with accuracy, giving you a truly immersive listening experience.
  • CUSTOM FIT: The 2X12GMOLD enclosure is meticulously engineered to seamlessly fit into the rear seat area of 1988-1998 Chevrolet C/K Extended Cab trucks. It maximizes available space while maintaining a sleek and factory-like appearance. This enclosure is designed to house two high-quality 12-inch subwoofers, delivering powerful and deep bass that transforms your vehicle's audio system into a dynamic sound powerhouse.
  • Dimensions: Width 56-3/4" x Front Height 10" x Rear Height 6-1/4" x Depth 13-1/4"
  • ADDITIONAL ITEM SPECS: Mounting Depth of 5" making it compatible with the majority of 12-inch subwoofers and a total Air Space of 0.95 Cubic Feet for increased output

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