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Passive OEM Empty Subwoofer Enclosures

Passive OEM Empty Subwoofer Enclosure Collection

Loaded subwoofer enclosures come in Passive or Active styles. Passive enclosures, or boxes, require an additional amplifier to produce sound while Active enclosures have amplifiers built into them and are self contained all-in-one systems.

Subwoofer drivers, also know as subs, are specific only to the lowest frequencies of the sound spectrum, and are the largest drivers in any car stereo. They are generally found in sizes of 8″ – 12″ diameters. Subs move massive amounts of air creating large pressure waves. These large pressure waves give that bottom end punch you expect from your kick drum, the undeniable funk of a bass guitar and the earthshaking bump of a house beat. 

The frequency range of a subwoofer generally covers the first 2 octaves of the sound spectrum, also known as the lows. Subwoofers require their own mounting structure called a sub box. Sub boxes are built to create negative pressure on the sub to help move their large diameter cones back and forth for accurate reproduction of low end frequencies. Custom subwoofer boxes are built to meet certain cubic air space specifications of sub drivers and are sometimes custom built to fit under seats or other hidden areas to maximize the use of space in the vehicle. JL Audio’s Stealthbox's are custom designed to fit many vehicles while minimizing the footprint needed to be installed in your car.

RMS vs. MAX power: The RMS rating of any speaker driver is the continuous power rating that the speaker is designed to withstand at a maximum continued volume rating. The RMS rating is the only number to go by when pairing your speakers with an amplifier. As an example a speaker with a 100Watt, or 100W for short, RMS rating and a 300-Watt Max rating is ultimately a 100 Watt speaker. The Max rating is the temporary spikes in voltage that the speaker can handle. A 100-Watt RMS / 300-Watt Max speaker is going to outperform a 100W RMS / 250W Max speaker at higher volumes, but may not be the more detailed reference speaker.

Ohms: The Ohm rating, or resistance rating, of a speaker is an essential part of a well balanced car stereo system. Many JBL factory speaker systems have 2ohm drivers. Most aftermarket speakers are 4ohm drivers. Replacing these types of factory speakers may require a wiring bypass of the factory amplifier.

Driver resistance ratings are essential when pairing subwoofer and speaker drivers with amplifiers. An amplifier that is 750W @ 2ohms might only generally be 500W or less @ 4ohms. When purchasing a subwoofer driver the correct pairing of a subwoofer’s RMS wattage and Ohm ratings with an amplifier’s output power rating is absolutely essential.

Frequency Response: Frequencies are measured in Hertz or Hz for short. The frequency response of speaker drivers will generally fall between 20Hz and 22kHz. At 20Hz the sound spectrum begins. Every time you double your frequency you move up one octave in scale. 20-Hertz to 40-Hertz covers the first Octave, 40Hz to 80Hz covers the next octave and so on. Subwoofer drivers are generally tuned to crossover at 80 Hertz. This can depend on the subwoofer type and the type of music you listen to.

8 products

  • A-Trend A608-10CPV : Dual 10" Ported Sub Box for Toyota Tundra Crew Max 2014-2019 A-Trend A608-10CPV : Dual 10" Ported Sub Box for Toyota Tundra Crew Max 2014-2019, side view.

    A-Trend A608-10CPV : Dual 10" Ported Sub Box, 2014-2019 Toyota Tundra (CrewMax)

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    Dual 10-Inch Vented Carpeted Subwoofer-Enclosure for Select 2014-2019 Toyota-Tundra CrewMax-Cab Pickups Dual 10" Ported for Toyota Tundra Crew Max 2014-2019 Behind Seat Application Premium Carpet Finish Mounting Depth: 3.75" Air Space: .88 Cubic Feet (per sub) Tuning Frequency: 36HZ Specifications Configuration: Dual Vented Finish: Charcoal Carpeted Width:47.24" Height:8.86" Depth:16.54" Max Mounting Depth:3.75" Gross VolumePer Sub:1.28 Net Volume Per Sub:0.88

    Pre-Order Today!

    $279.99

  • A-Trend A602-10CP : Dual 10" Sealed Sub Box for Toyota Tundra Double Cab 2007-2018 A-Trend A602-10CP : Dual 10" Sealed Sub Box for Toyota Tundra Double Cab 2007-2018, specs.

    A-Trend A602-10CP : Dual 10" Sealed Sub Box, 2007-2018 Toyota Tundra (Double Cab)

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    Dual 10-Inch Sealed Carpeted Subwoofer-Enclosure for Select 2007-2018 Toyota-Tundra Double-Cab Trucks Accu-Tuned 10” Dual sealed subwoofer enclosure designed for optimum bass response and low-frequency reproduction which is ideal for lower profile sound quality subwoofers. OEM-Fit is designed and engineered specifically for the 2007-2018 Double cab trucks to ensure an OEM fit without impeding the operation of the back seat. High-Grade MDF for Ultimate structural rigidity and no-flex construction. .83 Cubic Feet Net Volume internal air space (per sub) is ideal for tight accurate bass reproduction. Subwoofer Mounting Depth is 4.375” which is ideal for lower profile subwoofers. 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. Pneumatic Applied Brad Nails to pull tight and hold the MDF parts during the glue drying process and help assure a no-leak, no-rattle air chamber. Premium OEM Grade Carpeting for factory look and durability. Dimensions Sub Cut Out: 9.125”, Mounting Depth: 4.375”, Width: 50.25” Height: 7.875”, Depth: 22.375” Specifications Configuration: Dual Sealed Finish: Charcoal Carpeted Width:50.25" Height:5.13" Depth:22.38" Max Mounting Depth:4.50" Gross VolumePer Sub:4.23 Net Volume Per Sub:3.07

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    $264.99

  • A-Trend A602-12CP : Dual 12" Sealed Sub Box for Toyota Tundra Double Cab 2007-2018 A-Trend A602-12CP : Dual 12" Sealed Sub Box for Toyota Tundra Double Cab 2007-2018, specs.

    A-Trend A602-12CP : Dual 12" Sealed Sub Box, 2007-2018 Toyota Tundra (Double Cab)

    Pre-Order Today!

    Dual 12-Inch Sealed Carpeted Subwoofer-Enclosure for Select 2007-2018 Toyota-Tundra Double-Cab Trucks Accu-Tuned 12” Dual sealed subwoofer enclosure designed for optimum bass response and low-frequency reproduction which is ideal for lower profile sound quality subwoofers. OEM-Fit is designed and engineered specifically for the 2007-2018 Double cab trucks to ensure an OEM fit without impeding the operation of the back seat. High-Grade MDF for Ultimate structural rigidity and no-flex construction. .83 Cubic Feet Net Volume internal air space (per sub) is ideal for tight accurate bass reproduction. Subwoofer Mounting Depth is 4.375” which is ideal for lower profile subwoofers. 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. Pneumatic Applied Brad Nails to pull tight and hold the MDF parts during the glue drying process and help assure a no-leak, no-rattle air chamber. Premium OEM Grade Carpeting for factory look and durability. Dimensions Sub Cut Out: 9.125”, Mounting Depth: 4.375”, Width: 50.25” Height: 7.875”, Depth: 22.375” Specifications Configuration: Dual Sealed Finish: Charcoal Carpeted Width:50.25" Height:5.13" Depth:22.38" Max Mounting Depth:4.50" Gross VolumePer Sub:4.23 Net Volume Per Sub:3.07

    Pre-Order Today!

    $264.99

  • A-Trend A622-10CP : Dual 10" Sealed Sub Box for Toyota Tacoma Double Cab 2005-2015

    A-Trend A622-10CP : Dual 10" Sealed Sub Box, 2005-2015 Toyota Tacoma (Double Cab)

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    Dual 10-Inch Sealed Carpeted Subwoofer-Enclosure for Select 2005-2015 Toyota-Tacoma Double-Cab Pickups Designed Specifically For 2005-2015 Toyota Tacoma Double Cab Premium carpeted finish Specifications Configuration: Dual Sealed Finish: Charcoal Carpeted Width:48.50" Height:18.25" Depth:7.50" Max Mounting Depth:5.50" Gross VolumePer Sub:2.92 Net Volume Per Sub:2.01

    Pre-Order Today!

    $259.99

  • A-Trend A604-12CP : Dual 12" Sealed Sub Box for Toyota Tundra CrewMax 2007-2013 A-Trend A604-12CP : Dual 12" Sealed Sub Box for Toyota Tundra CrewMax 2007-2013, specs.

    A-Trend A604-12CP : Dual 12" Sealed Sub Box, 2007-2013 Toyota Tundra (CrewMax)

    Pre-Order Today!

    Dual 12-Inch Sealed Carpeted Subwoofer-Enclosure for Select 2007-2013 Toyota-Tundra CrewMax-Cab Pickups Designed specifically for 2007-2013 Toyota Tundra Crew Max Trucks Premium carpeted finish 3/4" Mounting Baffle Hardwood MDF construction Rounded edges Glued and Braced construction Subwoofer mounting depth: 5.25" Box volume: 1.0 cubic feet (per chamber) Behind rear seat installation Specifications Configuration: Dual Sealed Finish: Charcoal Carpeted Width:45.75" Height:16.37" Depth:7.00" Max Mounting Depth:5.00" Gross VolumePer Sub:2.60 Net Volume Per Sub:1.80

    Pre-Order Today!

    $259.99

  • A-Trend A604-10CP : Dual 10" Sealed Sub Box for Toyota Tundra CrewMax 2007-2013 A-Trend A604-10CP : Dual 10" Sealed Sub Box for Toyota Tundra CrewMax 2007-2013, specs.

    A-Trend A604-10CP : Dual 10" Sealed Sub Box, 2007-2013 Toyota Tundra (CrewMax)

    Pre-Order Today!

    Dual 10-Inch Sealed Carpeted Subwoofer-Enclosure for Select 2007-2013 Toyota-Tundra CrewMax-Cab Pickups Designed specifically for 2007-2013 Toyota Tundra Crew Max Trucks Premium carpeted finish 3/4" Mounting Baffle Hardwood MDF construction Rounded edges Glued and Braced construction Subwoofer mounting depth: 5.25" Box volume: 1.0 cubic feet (per chamber) Behind rear seat installation Specifications Configuration: Dual Sealed Finish: Charcoal Carpeted Width:45.75" Height:16.37" Depth:7.00" Max Mounting Depth:5.00" Gross VolumePer Sub:2.60 Net Volume Per Sub:1.80

    Pre-Order Today!

    $259.99

  • Last One! A-Trend A621-10CP : Single 10" Sealed Sub Box for Tacoma Access Cab 2005-2009

    A-Trend A621-10CP : Single 10" Sealed Sub Box, 2005-2009 Tacoma (Access Cab)

    1 Available for pickup

    Single 10-Inch Sealed Carpeted Subwoofer-Enclosure for Select 2005-2009 Toyota-Tacoma Access-Cab Pickups CLICK HERE TO VIEW SUBWOOFERS THAT FIT THIS BOX Fits: 2005-2009 Toyota Tacoma Access Cab Trucks Installs on center hump behind front console and contours up over rear seats. Mounting Depth: 9" Volume: .82 cu.ft  Additional Note: This box fits directly behind the front console and extends over the rear bench for increased volume. As an added bonus, the top of the box serves as a great armrest for the rear passengers--or mount your amp on top if you like. The box fits perfectly in the space provided and is designed to lock itself into place, but can also be easily moved if needed. This box is a down fire box meaning the sub faces the floor. What this means is that your bass will reflect off the floor for an even greater bass response. There is 2" of clearance between the baffle and the hump, so no worries about your sub contacting the floor. This setup is not only a solid performer but is also very stealthy since the woofer cannot be seen.

    1 Available for pickup

    $164.99

  • Last One! A-Trend A611-10CP : Single 10" Sealed Sub Box for Tacoma Access Cab 2010-2015

    A-Trend A611-10CP : Single 10" Sealed Sub Box, 2010-2015 Tacoma (Access Cab)

    1 Available for pickup

    Single 10-Inch Sealed Carpeted Subwoofer-Enclosure for Select 2010-2015 Toyota-Tacoma Access-Cab Pickups CLICK HERE TO VIEW SUBWOOFERS THAT FIT THIS BOX! Fits: 2010-2015 Toyota Tacoma Access Cab Trucks Installs between rear center seats Mounting Depth: 8.5" Volume: .96 cu.ft  Installation Note: Removal of the rear armrest is required along with Temporary removal of the front console which helps during installation. Does not affect rear seating.

    1 Available for pickup

    $164.99

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