Top 10 Underseat Subwoofer Box 12 Inch – Car Subwoofer Boxes & Enclosures

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

2. KICKER

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Kicker Comp 12" Loaded Truck Subwoofer Box Enclosure 10C12-4

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KICKER #ad - Peak power handling: 300 Watts. Dimensions: 20" x 15" x 7-1/2". Sealed Enclosure. Rms power handling 150 Watts.
BrandKICKER #ad
ManufacturerKicker #ad
Height11 Inches
Length15 Inches
Width11 Inches
Part Number112TRUCK_10C12-4-N-V2

3. American Sound Connection

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Compatible with Chevy Avalanche or Cadillac Escalade EXT 2007-2013 Dual 12" 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. Dimensions: width 48" x height 6" x Depth 16-3/4". Install location: Under Rear Seat. Air space: 048 cubic Feet.
BrandAmerican Sound Connection #ad
ManufacturerAmerican Sound Connection #ad
Height6 Inches
Length49 Inches
Weight28.4 Pounds
Width17 Inches
Part NumberGM2X12-AV-ECL-US
ModelGM2X12-AV-ECL-US

4. 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 - Air space: 048 cubic Feet. Install notes: rear seat must be able to fold forward for box to fit. Mounting depth: 4-1/2 Inches. Install location: Under Rear Seat. Dimensions: width 48" x height 6" x Depth 16-3/4".
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

5. Rockville

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Rockville Rws12ca Slim 1200 Watt 12" Amplified Powered Car Subwoofer Enclosure

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Rockville #ad - High power strontium magnet with ultra Saturated high BL motor structure. Impedance: 4-ohms. 3d molded acrylic dust cap. Ultra stiff composite pulp cone with Kevlar reinforcement.

Vented core magnet motor structure. Rockville rws12ca slim 1200 Watt 12" Amplified powered car Subwoofer Enclosure. Built-in 300 watts rms/ 1200 Watt mono block amplifier. 2" high temperature aluminum voice coil. Super slim sealed MDF enclosure design. Expanded & Rolled Steal basket. 12" super slim subwoofer. Rj11 jack for dash mounted bass remote. Frequency response: 38hz-500hz. Magnet motor structure. Dimensions: 24" length x 15" height 4. 37" top depth x 6. 65" bottom depth. 150mv - 5v variable input level. 13. 6mm peak-to-Peak x-max. 8mm washer & yoke plates.
BrandRockville #ad
ManufacturerAudiosavings #ad
Height26.5 Inches
Length18.2 Inches
Weight31 Pounds
Width10.1 Inches
Part NumberRws12ca
ModelRws12ca
Warranty1 Year

6. PIONEER

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Alphasonik AS12DF 12" 1500 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure

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PIONEER #ad - Sensitivity: 92db | frequency Response: 26Hz - 500Hz. Final impedance: 4-ohm | copper Wound Kapton Voice Coil | Push Type Terminals. Enclosure dimensions: 2047" x 6. 7" x 14. 1" / 520mm x 170mm x 358mm. Power rating: 500 watts rmS / 1500 Watts Max. Cone material: spun aluminum cone | Surround Material: High Strength Rubber EPDM Enhanced Surround.
BrandPIONEER #ad
ManufacturerPioneer Electronics USA Inc #ad
Height8 Inches
Length14 Inches
Weight15 Pounds
Width14 Inches
Part NumberTSW311D4
ModelAS12DF
Warranty1

7. AUDIOTEK

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Audiotek 10 Inches 400 Watts Peak Power / 200 Watts RMS Slim Under-Seat Active Power Audio Car/Truck Angle Trunk Box Sub-woofer SUB/Supply Voltage: 11-15V DC

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AUDIOTEK #ad - 10" angle active Trunk Box Subwoofer. Peak power: 400 watts peak Power / 200 Watts RMS. Rca low level input: 01 - 6v high level Input: 1V-8V. Variable input gain control Adjustable Input Sensitivity Selector. 1v-6v. Power and protection led Variation Bass Boost: 0 - +12dB.
BrandAUDIOTEK #ad
ManufacturerAudiotek #ad
Part NumberAT-800US
ModelAT-800US

8. Atrend

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Atrend 12SME 12” Single Sealed/Shallow Mount Subwoofer Enclosure

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Atrend #ad - 062 cubic feet net volume internal air space is ideal for tight accurate bass reproduction. Pro tuned 12 ”single sealed shallow mount subwoofer enclosure designed for optimum bass response and low frequency reproduction which is ideal for lower profile sound quality subwoofers.

Enclosure dimensions sub cut out:11. 125”, height: 15. 25”, mounting depth: 4. 25”, width: 24”, Depth: 5. 125. Specially formulated aliphatic Wood Glue to ensure an airtight seal between all MDF parts with a second application of glue. 1” high grade mdf front Baffle for Ultimate structural rigidity and no-flex construction. Recessed side panels increases structural integrity, eliminates unwanted flex and vibration. Premium oem grade Carpeting for factory look and durability.
BrandAtrend #ad
ManufacturerATREND #ad
Height24 Inches
Length15 Inches
Weight16 Pounds
Width5 Inches
Part Number12SME
Model12SME

9. Atrend

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ATREND ENCLOSURES Bbox E12ST Pro-Series 12” Single Sealed Wedge Shaped Subwoofer Enclosure

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Atrend #ad - Pro tuned 12” single sealed subwoofer enclosure designed for optimum bass response and low frequency reproduction which is ideal for lower profile sound quality subwoofers. Wedge shape enclosure is ideal for tight room applications such as behind or under the seat on pickup trucks and SUV’s.

Dimensions Sub cut out:11. 125”, width: 19. 625”, height: 15. 25”, mounting depth: 5. 25”, depth 1 bottom: 8. 25”depth 2 top: 5”. Specially formulated aliphatic wood glue to ensure an airtight seal between all MDF parts with a second application of glue around all internal joints after final assembly. 1” high-grade mdf front baffle for ultimate structural rigidity and no-flex construction.

07 cubic feet net volume internal air space is ideal for tight accurate bass reproduction. Cnc miter & dado design and construction for the ultimate in an airtight precision fit of all parts which ensures Recessed Side Panels increases structural integrity, eliminates unwanted flex and vibration. Rattle and noise free environment. Premium oem grade Carpeting for factory look and durability.
BrandAtrend #ad
ManufacturerATREND #ad
Height20.5 Inches
Length16.5 Inches
Weight21.05 Pounds
Width10.5 Inches
Part NumberE12ST
ModelE12ST

10. Sound Storm Laboratories

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1200 Watts Max Power, 10 Inch Subwoofer, Low Profile, Great For Vehicles Needing Bass But Have Limited Space, Remote Subwoofer Control, Black, Sound Storm Laboratories LOPRO10 Amplified Car Subwoofer

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Sound Storm Laboratories #ad - Low-level inputs - line level inputs rca inputs / low-level inputs use RCA interconnect cables to link the LOPRO10 with the source unit. You will use the Low-pass filter to primarily keep high notes out of your subwoofers. High level inputs: speaker level inputs are commonly referred to as high-level inputs.

We strongly encourage Professional installation of this product to ensure proper and safe functionality. 75” x 3”. Built-in amplifier: with a mosfet power supply you get improved switching speeds, lower gate-to-drain feedback capacitance, better performance with less power from the driver, lower thermal impedance for higher switching frequencies. Dimensions: 15” x 9. The combination of amplifier and subwoofer all into one, makes this ideal for spatially challenged vehicles. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers.

Sound storm provides a powerful 3-year Platinum online dealer so long as the purchase is made through. Variable low-pass filter - a low-pass filter is an electronic circuit that removes all the notes above the filter's frequency setting. Variable bass boost: variable bass boost allows you to adjust the low bass within the boost Range to just the way you like it. If you are short on space, This is a great solution for you.
BrandSound Storm Laboratories #ad
ManufacturerSound Storm Laboratories #ad
Height3 Inches
Length9.75 Inches
Weight13 Pounds
Width15 Inches
Part NumberLOPRO10
ModelLOPRO10
Warranty3 Year Platinum Online Dealer Warranty