Top 7 Avalanche Subwoofer Box – Car Subwoofer Boxes & Enclosures

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1. Q Power

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Q Power Dual 10" Armor Coated Down Firing Subwoofer Enclosure for 2002-2013 Chevy Avalanche and Escalade EXT Trucks

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Q Power #ad - Fits 2002-2013 chevy avalanche and Escalade EXT Trucks. This enclosure is constructed Out of High Grade 3/4" MDF Wood. Subwoofer hole Cut Out: 9. 0". Covered and finished with a Durable Bed Liner Coating. Dual 10" sealed under Seat Down Firing Unloaded Subwoofer Box.
BrandQ Power #ad
ManufacturerQPower #ad
Height0 Inches
Length0 Inches
Weight63.12 Pounds
Width0 Inches
Part NumberQBGMCAVALANCHE10D
ModelQBGMCAVALANCHE10DF

2. Harmony Audio

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Harmony Audio R104 Dual 10" Sub Box Enclosure Bundle with HA-A400.1 Amp Compatible with 2002-2013 Chevy Avalanche Underseat

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Harmony Audio #ad - Compatible with 2002-2013 chevy avalanche underseat Harmony Bundle R104 Dual 10" Sub Box & HA-A4001 amp.
BrandHarmony Audio #ad
ManufacturerHarmony Audio #ad
Part NumberHA-SUB-PACKAGE551-H
ModelHA-SUB-PACKAGE551-H

3. American Sound Connection

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Compatible with Chevy Avalanche or Cadillac Escalade EXT 2007-2013 Dual 10" Subwoofer Underseat Sub Box Speaker Enclosure

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American Sound Connection #ad - Mounting depth: 4-1/2 Inches. Install location: Under Rear Seat. Air space: 048 cubic Feet. Install notes: rear seat must be able to fold forward for box to fit. Dimensions: width 48" x height 6" x Depth 16-3/4".
BrandAmerican Sound Connection #ad
ManufacturerAmerican Sound Connection #ad
Height5.9 Inches
Length48.1 Inches
Weight30.5 Pounds
Width16.8 Inches
Part NumberGM2X10-AV-ECL-US
ModelGM2X10-AV-ECL-US

4. AK Audio

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Chevy Avalanche Escalade Speaker Box Midgate 10" 12" 15" Sub Subwoofer Enclosure

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AK Audio #ad - About 3. 25 cuft of total box volume. Constructed of 3/4" MDF, glued and nailed. Tuning, hole size, colors and airspace can be customized upon request. Will fit ALL Avalanches. Available also for 10's and 15's.
BrandAK Audio #ad
ManufacturerAK Audio #ad
Part NumberCABOW12

5. American Sound Connection

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Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2001-2006 Dual 10" Subwoofer Underseat Sub Box Speaker Enclosure

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American Sound Connection #ad - Install notes: rear seat must be able to fold forward for box to fit. Mounting depth: 4-1/2 Inches. Air space: 048 cubic Feet. Install location: Under Rear Seat. Dimensions: width 48" x height 6" x Depth 16-3/4".
BrandAmerican Sound Connection #ad
ManufacturerAmerican Sound Connection #ad
Height5.9 Inches
Length48.1 Inches
Weight33 Pounds
Width16.8 Inches
Part NumberGM2X10-AV-ECL-US_2
ModelGM2X10-AV-ECL-US_2

6. Q Power

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Q Power GMC/AVALANCHE10 DF Dual 10" Under Seat Down Firing Subwoofer Enclosure for 2002-2013 Chevy Avalanche and Escalade EXT Trucks

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Q Power #ad - For 2002-2013 chevrolet avalanche and Escalade EXT Trucks. Dual 10" under seat Down Firing Unloaded Subwoofer Box. Internal air space: 05 cubic Ft per Chamber. Covered and finished with a Premium Charcoal Carpet. This enclosure is constructed Out of High Grade 5/8" MDF Wood.
BrandQ Power #ad
ManufacturerQ Power #ad
Height8 Inches
Length49.5 Inches
Weight27 Pounds
Width15 Inches
Part NumberGMC AVALANCHE10
ModelGMC AVALANCHE10

7. American Sound Connection

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Compatible with Chevy Avalanche 02-09 Dual 12" Kicker CVT12 Subwoofer Behind Seat Sub Box Enclosure 1600 Watts Peak

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American Sound Connection #ad - Asc package chevy avalanche 02-09 dual 12" kicker cVT12 Subwoofer Behind Seat Sub Box Enclosure 1600 Watts Peak.
BrandAmerican Sound Connection #ad
ManufacturerAmerican Sound Connection #ad
Height13.4 Inches
Length64.9 Inches
Weight77.32 Pounds
Width34 Inches
Part NumberKicker-Package-1108
ModelKicker-Package-1108