Top 9 Underseat Sub Box Chevy Silverado – Car Subwoofer Boxes & Enclosures

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1. American Sound Connection

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ASC 2X12GMNEW Sub Box Sealed Fits Chevy Silverado Sierra 1999-06 Ext Cab Truck Dual 12 Subwoofer Enclosure Custom GMC Chevrolet

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American Sound Connection #ad - Install notes: No Modifications Required. Mounting depth: 5-3/4 Inches. Dimensions: width 51" x front height 9-3/4" x Rear Height 7-1/4" x Depth 13-1/2". Air space: 095 cubic Feet. Install location: Under Rear Seat.
BrandAmerican Sound Connection #ad
ManufacturerAmerican Sound Connection #ad
Height15 Inches
Length19 Inches
Weight34.3 Pounds
Width17 Inches
Part Number2X12GMNEW
Model2X12GMNEW

2. American Sound Connection

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Compatible with Chevy Silverado or GMC Sierra Full Size Extended Cab Truck 2007-2013 Dual 10" Subwoofer Sub Box Speaker Enclosure

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American Sound Connection #ad - Install notes: No Modifications Required. Air space: 060 cubic Feet. Install location: Under Rear Seat. Dimensions: width 55-3/4" x front height 8-3/4" x Rear Height 5" x Depth 14-3/4". Mounting Depth: 6 Inches.
BrandAmerican Sound Connection #ad
ManufacturerAmerican Sound Connection #ad
Height11 Inches
Length54 Inches
Weight26.85 Pounds
Width14 Inches
Part NumberGM2X10-EX07
ModelGM2X10-EX07

3. Q Power

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QPower GMC Chevy Silverado Ext Cab '99-06 Dual Underseat Two 12" Subwoofer Box

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Q Power #ad - Designed and Built for the Deepest Bass. Please note: this Sub Box is made to fire downward**. 5/8" mdf construction. Brand new **q-power 12"** custom gmc/chevy Ext Cab '99-06 Subwoofer Box. Dual chamber Design.
BrandQ Power #ad
ManufacturerQPower #ad
Height0 Inches
Length0 Inches
Weight37.4 Pounds
Width0 Inches
Part NumberQGMC12DF

4. American Sound Connection

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Compatible with Chevy Silverado or GMC Sierra Full Size Extended Cab Truck 1999-2006 Dual 10" Subwoofer Sub Box Speaker Enclosure

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American Sound Connection #ad - Install location: Under Rear Seat. Mounting depth: 5-3/4 Inches. Dimensions: width 51" x front height 9-3/4" x Rear Height 7-1/4" x Depth 13-1/2". Air space: 095 cubic Feet. Install notes: No Modifications Required.
BrandAmerican Sound Connection #ad
ManufacturerAmerican Sound Connection #ad
Height11 Inches
Length52 Inches
Weight34.85 Pounds
Width14 Inches
Part Number2X10GMNEW
Model2X10GMNEW

5. Q Power

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Q Power QBGMC1220144DR Dual 12" Subwoofer Enclosure Box for 2014-2016 Chevy Silverado and GMC Sierra Crew Cab Trucks

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Q Power #ad - Down firing Subwoofer Enclosure Design. Constructed out of High Grade Premium MDF Wood. Dual 12" sealed down Firing Unloaded Subwoofer Box. Features a spray Liner Finish for Maximum Strength and Durability. Fits 2014-2016 chevy silverado and gmc sierra Crew Cab Trucks - Does Not Fit Double Cab Models.
BrandQ Power #ad
ManufacturerQPower #ad
Height0 Inches
Length0 Inches
Weight44 Pounds
Width0 Inches
Part NumberQBGMC12-2014-4DR
ModelQBGMC1220144DR

6. Q Power

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Q Power QBGMC1020144DR Dual 10" Subwoofer Enclosure Box for 2014-2016 Chevy Silverado and GMC Sierra Crew Cab Trucks

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Q Power #ad - Features a spray Liner Finish for Maximum Strength and Durability. Fits 2014-2016 chevy silverado and gmc sierra Crew Cab Trucks - Does Not Fit Extended Cab Models. Dual 10" sealed Unloaded Subwoofer Box. Down firing Subwoofer Enclosure Design. Constructed out of High Grade Premium MDF Wood.
BrandQ Power #ad
ManufacturerQPower #ad
Height16 Inches
Length51.5 Inches
Weight31.1 Pounds
Width9.5 Inches
Part Number76788
ModelQBGMC1020144DR

7. American Sound Connection

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ASC GM2X12AVECL Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2001-2006 Dual 12" Subwoofer Underseat Sub Box Speaker Enclosure

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American Sound Connection #ad - Install location: Under Rear Seat. Install notes: rear seat must be able to fold forward for box to fit. Air space: 048 cubic Feet. Dimensions: width 48" x height 6" x Depth 16-3/4". Mounting depth: 4-1/2 Inches.
BrandAmerican Sound Connection #ad
ManufacturerAmerican Sound Connection #ad
Height6 Inches
Length49 Inches
Weight33 Pounds
Width17 Inches
Part NumberGM2X12-AV-ECL-US_2
ModelGM2X12-AV-ECL-US_2

8. Atrend

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Charcoal, Fits 1999-2006 Chevrolet/GMC Crew Cab, Heavy Duty Car Subwoofer Boxes & Enclosures, Bbox Dual 10 Inch Subwoofer Sealed Enclosure, Subwoofer Box Improves Audio Quality, Sound and Bass

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Atrend #ad - High grade mdf: our subwoofer box enclosures are built with a durable high-grade MDF that is 5/8 inches thick for solid frequency response and accurate music reproduction. Dual 10 inch subwoofer enclosure: the bbox 10 inch dual sealed Accu-Tuned subwoofer enclosure is designed for optimum bass response and low frequency reproduction which is ideal for lower profile sound quality subwoofers.

Airtight recessed side panels: by using quality materials and our special aliphatic resin wood glue, the solid construction of our subwoofer box are airtight and resonant free to reduce rattling and improve the overall sound quality of your sound system. Completely carpeted Enclosure With Rounded Edges. All our vehicle specific enclosures are built with a near perfect factory fit in mind. Our subwoofer enclosures turn your truck into a music machine! Dramatically improve the sound quality and bass response of your truck’s audio system and listen to the music the way it was meant to be heard! Fits 2000 and up gm heavy Duty Crew Cabs.

Feel, hear, and experience the difference today. Mdf construction. Better sound, better bass, better fun: get the party started with sound quality you can truly jam to. The subwoofer mounting depth is 6 inches, which is ideal for low profile subwoofers. Custom built for Under Seat Application.
BrandAtrend #ad
ManufacturerATREND #ad
Height7.88 Inches
Length43.63 Inches
Weight25 Pounds
Width13.13 Inches
Part NumberA161-10CP
ModelA161-10CP
Warranty1

9. Atrend

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Accu-Tuned Sealed Subwoofer Boxes & Enclosures, Sound & Bass, Fits 1999-2007 Chevrolet/GMC Silverado/Sierra Cab, Bbox Dual Sealed 12 Inch Subwoofer Enclosure, Subwoofer Box Improves Audio Quality

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Atrend #ad - Better sound, better bass, better fun: get the party started with sound quality you can truly jam to. Each 10 inch subwoofer box also gets a second application of glue around all internal joints after the final assembly. Our dado design and construction offers a precision fit for our car subwoofer boxes & enclosures, which ensures a rattle and noise free environment.

High grade mdf: our subwoofer box enclosures are built with a durable mdf that is 3/4" thick for solid frequency response and accurate music reproduction and we use a CNC Miter to ensure an airtight fit for your powered subwoofer. Airtight recessed side panels: we use quality materials like our special aliphatic resin wood glue and brad nails from a pneumatic nail gun to create a tight hold on the MDF parts during the glue drying process to ensure that our subwoofer boxes have an airtight no-leak, no-rattle air chamber improving the overall sound quality of your sound system. Dual 12 inch sealed subwoofer enclosure: the bbox 12 inch dual sealed Accu-Tuned subwoofer box enclosure is designed for optimum bass response and low frequency reproduction which is ideal for lower profile sound quality subwoofers.

Get the most out of your vehicle's subwoofer with car stuff designed for power and quality. Special formula: we use aliphatic wood glue on our 10" subwoofer enclosures to ensure an airtight seal between all MDF parts. Our subwoofer enclosures turn your truck into a music machine! Dramatically improve the sound quality and bass response of your truck’s audio system and listen to the music the way it was meant to be heard! .
BrandAtrend #ad
ManufacturerATREND #ad
Height9.25 Inches
Length51.25 Inches
Weight32 Pounds
Width14.75 Inches
Part NumberA152-12CP
ModelA152-12CP
Warranty1 Year Liminted