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Automotive Passive Subwoofer Enclosures

Automotive Passive 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.

58 products

  • JL Audio CS113TG-TW5v2 : 13" Thin Subwoofer Enclosure - 600W RMS 2Ω JL Audio CS113TG-TW5v2 : 13" Thin Subwoofer Enclosure - 600W RMS 2Ω, side view.

    JL Audio CS113TG-TW5v2 : 13" Thin Subwoofer Enclosure, 600W RMS 2Ω

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    PowerWedge-Series 13-Inch 600-Watt Enclosed Subwoofer System, 2Ω Sealed Enclosure The 13TW5v2 low-profile subwoofer driver has received awards from around the world for its breakthrough performance capabilities in impossibly tight spaces. In this sealed Truck PowerWedge™ subwoofer system, JL harnessed the performance of this patented subwoofer driver to deliver amazing sub-bass performance from an enclosure that is only 7.25 in. (184 mm) deep at its base and 4.5 in. (114 mm) at the top. This enclosure design has been carefully engineered to the optimum sealed enclosure alignment for the 13TW5v2 and has been fine-tuned through extensive real-world listening. This subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. Finish: Black, high-grade automotive carpet with "JL AUDIO" embroidered in silver on the front baffle. A steel mesh grille is included to protect the subwoofer driver. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 250 - 600WNominal Impedance: 2 Ω General Specifications Continuous Power Handling (RMS) 600 W System Nominal Impedance 2 Ω Enclosure Type Sealed, truck enclosure Finish Black carpet Grille Included Black Steel Mesh Physical Specifications External Width (W) 21.25 in / 540 mm External Height (H) 15.75 in / 400 mm External Depth (D1) 7.25 in / 184 mm External Top Surface Depth (D2) 4.5 in / 114 mm Net Weight 34 lb / 15.42 kg JL Audio CS113TG-TW5v2 Brochure

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    $879.99

  • JL Audio CS112LG-TW3 : 12" Thin Subwoofer Enclosure - 400W RMS 2Ω JL Audio CS112LG-TW3 : 12" Thin Subwoofer Enclosure - 400W RMS 2Ω, side view.

    JL Audio CS112LG-TW3 : 12" Thin Subwoofer Enclosure, 400W RMS 2Ω

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    PowerWedge-Series 12-Inch 400-Watt Enclosed Subwoofer System, 2Ω Sealed Enclosure In this low-profile PowerWedge™ subwoofer system, JL harnesses the performance of the 12TW3 to deliver amazing sub-bass from an enclosure that is only 4.5 in. (114 mm) deep. This low-profile enclosure design has been carefully engineered to the optimum sealed enclosure alignment for the 12TW3-D4 and has been fine-tuned through extensive real-world listening. The PowerWedge™ subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. Finish: Black, high-grade automotive carpet with "JL AUDIO" embroidered in silver on the front baffle. A steel mesh grille is included to protect the subwoofer driver. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 100 - 400WNominal Impedance: 2 Ω General Specifications Continuous Power Handling (RMS) 400 W System Nominal Impedance 2 Ω Enclosure Type Sealed Finish Black carpet Grille Included Black Steel Mesh Physical Specifications External Width (W) 23.75 in / 603 mm External Height (H) 15.625 in / 397 mm External Depth (D1) 5.0625 in / 129 mm Net Weight 30.5 lb / 13.8 kg JL Audio CS112LG-TW3 Brochure

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    $549.99

  • JL Audio CS110LG-TW3 : 10" Thin Subwoofer Enclosure - 400W RMS 2Ω JL Audio CS110LG-TW3 : 10" Thin Subwoofer Enclosure - 400W RMS 2Ω, side view.

    JL Audio CS110LG-TW3 : 10" Thin Subwoofer Enclosure, 400W RMS 2Ω

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    PowerWedge-Series 10-Inch 400-Watt Enclosed Subwoofer System, 2Ω Sealed Enclosure In this low-profile PowerWedge™ subwoofer system, JL harnesses the performance of the 10TW3 to deliver amazing sub-bass from an enclosure that is only 4.5 in. (114 mm) deep. This low-profile enclosure design has been carefully engineered to the optimum sealed enclosure alignment for the 10TW3-D4 and has been fine-tuned through extensive real-world listening. The PowerWedge™ subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. Finish: Black, high-grade automotive carpet with "JL AUDIO" embroidered in silver on the front baffle. A steel mesh grille is included to protect the subwoofer driver. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 100 - 400WNominal Impedance: 2 Ω General Specifications Continuous Power Handling (RMS) 400 W System Nominal Impedance 2 Ω Enclosure Type Sealed Finish Black carpet Grille Included Black Steel Mesh Physical Specifications External Width (W) 20.75 in / 527 mm External Height (H) 14 in / 357 mm External Depth (D1) 4.5 in / 114 mm Net Weight 21.2 lb / 9.6 kg JL Audio CS110LG-TW3 Brochure

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    $529.99

  • JL Audio CS110LG-TW1-2 : 10" Thin Subwoofer Enclosure - 300W RMS 2Ω JL Audio CS110LG-TW1-2 : 10" Thin Subwoofer Enclosure - 300W RMS 2Ω, side view.

    JL Audio CS110LG-TW1-2 : 10" Thin Subwoofer Enclosure, 300W RMS 2Ω

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    PowerWedge-Series 10-Inch 300-Watt Enclosed Subwoofer System, 2Ω Sealed Enclosure In this low-profile PowerWedge™ subwoofer system, JL harnesses the performance and insanely small box requirements of the TW1 subwoofer driver to deliver amazing sub-bass from an enclosure that is only 5.56 in. (141 mm) deep. This low-profile enclosure design has been carefully engineered to the optimum sealed enclosure alignment for the 10TW1 and has been fine-tuned through extensive real-world listening. The PowerWedge™ subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. Finish: Black, high-grade automotive carpet with "JL AUDIO" embroidered in silver on the top surface of the enclosure. A steel mesh grille is included to protect the subwoofer driver. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 75 - 300WNominal Impedance: 2 Ω General Specifications Continuous Power Handling (RMS) 300 W System Nominal Impedance 2 Ω Enclosure Type Sealed Finish Black carpet Grille Included Black Steel Mesh Physical Specifications External Width (W) 15 in / 381 mm External Height (H) 11.75 in / 298 mm External Depth (D1) 5.563 in / 141 mm Net Weight 17.42 lb / 7.90 kg JL Audio CS110LG-TW1-2 Brochure

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    $399.99

  • JL Audio CLS112RG-W7AE : 12" Subwoofer Enclosure - 1000W RMS 3Ω JL Audio CLS112RG-W7AE : 12" Subwoofer Enclosure - 1000W RMS 3Ω, side view.

    JL Audio CLS112RG-W7AE : 12" Subwoofer Enclosure, 1000W RMS 3Ω

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    ProWedge-Series 12-Inch 1000-Watt Enclosed Subwoofer System, 3Ω Sealed Enclosure For those who seek the ultimate in compact-enclosure sub-bass fidelity, we offer this sealed ProWedge™ system, in which the superb performance capabilities of the W7AE subwoofer driver are harnessed within a compact, sealed enclosure. This system has it all: extension, impact, detail and smooth response... at any listening level. This enclosure design has been carefully engineered to the optimum sealed enclosure alignment for the 12W7AE-3 and has been fine-tuned through extensive real-world listening. This subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. The angled-back design saves precious cargo space by allowing the enclosure to fit tightly against the back of a vehicle's rear seat. Finish: Black, high-grade automotive carpet, with gloss-black laminated decorative front baffle trim. Three solid aluminum bars provide stylish and rugged woofer protection. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 400 - 1000WNominal Impedance: 3 Ω General Specifications Continuous Power Handling (RMS) 1000 W System Nominal Impedance 3 Ω Enclosure Type Sealed, rear-firing design Finish Black carpet / laminate Grille Included Aluminum Bar Grille Physical Specifications External Width (W) 21.25 in / 540 mm External Height (H) 16.50 in / 419 mm External Depth (D1) 17 in / 432 mm External Top Surface Depth (D2) 11.25 in / 286 mm Net Weight 81.7 lb / 37.10 kg JL Audio CLS112RG-W7AE Brochure

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    $1,599.99

  • JL Audio CLS110RG-W7AE : 10" Subwoofer Enclosure - 750W RMS 3Ω JL Audio CLS110RG-W7AE : 10" Subwoofer Enclosure side view.

    JL Audio CLS110RG-W7AE : 10" Subwoofer Enclosure, 750W RMS 3Ω

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    ProWedge-Series 10-Inch 750-Watt Enclosed Subwoofer System, 3Ω Sealed Enclosure For those who seek the ultimate in compact-enclosure sub-bass fidelity, we offer this sealed ProWedge™ system, in which the superb performance capabilities of the W7AE subwoofer driver are harnessed within a compact, sealed enclosure. This system has it all: extension, impact, detail and smooth response... at any listening level. This enclosure design has been carefully engineered to the optimum sealed enclosure alignment for the 10W7AE-3 and has been fine-tuned through extensive real-world listening. This subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. The angled-back design saves precious cargo space by allowing the enclosure to fit tightly against the back of a vehicle's rear seat. Finish: Black, high-grade automotive carpet, with gloss-black laminated decorative front baffle trim. Three solid aluminum bars provide stylish and rugged woofer protection. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 300 - 750WNominal Impedance: 3 Ω General Specifications Continuous Power Handling (RMS) 750 W System Nominal Impedance 3 Ω Enclosure Type Sealed, rear-firing design Finish Black carpet / laminate Grille Included Aluminum Bar Grille Physical Specifications External Width (W) 17.75 in / 451 mm External Height (H) 14.625 in / 371 mm External Depth (D1) 16.625 in / 422 mm External Top Surface Depth (D2) 11.50 in / 292 mm Net Weight 61.2 lb / 27.77 kg JL Audio CLS110RG-W7AE Brochure

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    $1,399.99

  • JL Audio HO110RG-W3v3 : 10" Subwoofer Enclosure - 500W RMS 2Ω JL Audio HO110RG-W3v3 : 10" Subwoofer Enclosure - 500W RMS 2Ω, input side.

    JL Audio HO110RG-W3v3 : 10" Subwoofer Enclosure, 500W RMS 2Ω Ported

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    High Output Series 10-Inch 500-Watt Enclosed Subwoofer System, 2Ω Ported Enclosure JL Audio's patented High Output Enclosures are designed to deliver the ultimate high-performance bass experience with a rare combination of superb sound quality and awesome output. JL Audio's patented, chamber-coupled port design (U.S. patent #6,625,292) wraps around the inner enclosure boundary and terminates on one side of the woofer, coupling the port output to the woofer's direct output. This also provides the necessary surface area and port length to maximize the performance of the W3v3 driver. This enclosure design has been carefully engineered to the optimum ported alignment for the 10W3v3, and has been fine-tuned through extensive real-world listening. This efficient system will produce superb output with as little as 150W of amplifier power, but performs best with 300 - 500W of power. This subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. Three solid aluminum bars provide stylish and rugged woofer protection. The angled-back design saves precious cargo space by allowing the enclosure to fit tightly against the back of a vehicle's rear seat. Finish: Dark gray, high-grade automotive carpet, with black carpet on woofer baffle. "JL AUDIO" is embroidered in silver on the top surface of the enclosure. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 150 - 500WNominal Impedance: 2Ω General Specifications Continuous Power Handling (RMS) 500 W System Nominal Impedance 2 Ω Enclosure Type Chamber-coupled, slot-ported, rear-firing design Finish Dark gray carpet with black insert Grille Included Aluminum Bar Grille Physical Specifications External Width (W) 29.5 in / 749 mm External Height (H) 13.5 in / 343 mm External Depth (D1) 12.0 in / 305 mm External Top Surface Depth (D2) 7.5 in / 190.5 mm Net Weight 34.7 lb / 15.74 kg JL Audio HO110RG-W3v3 Brochure

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    $549.99

  • JL Audio HO112-W6v3 : 12" Subwoofer Enclosure - 600W RMS 2Ω Ported JL Audio HO112-W6v3 : 12" Subwoofer Enclosure - 600W RMS 2Ω Ported, input side.

    JL Audio HO112-W6v3 : 12" Subwoofer Enclosure, 600W RMS 2Ω Ported

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    High Output Series 12-Inch 600-Watt Enclosed Subwoofer System, 2Ω Ported Enclosure JL Audio's patented High Output Enclosures are designed to deliver the ultimate high-performance bass experience with a rare combination of superb sound quality and awesome output. In the HO112-W6v3, the high power handling of the 12W6v3 subwoofer driver, combined with its small enclosure requirements, results in a very compact subwoofer system that is capable of impressive output with moderate amplification. JL Audio's patented, chamber-coupled port design (U.S. patent #6,625,292) wraps around the inner enclosure boundary and terminates just above the woofer, coupling the port output to the woofer's direct output. This also provides the necessary surface area and port length to maximize the performance of the W6v3 driver. This enclosure design has been carefully engineered to the optimum ported alignment for the 12W6v3, and has been fine-tuned through extensive real-world listening. This subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. While no grille is provided, the recessed mounting baffle provides some protection for the woofer. A steel mesh woofer grille insert can be purchased separately (Model: SGR-12W6v2/v3), if additional woofer protection is desired. Finish: Dark gray, high-grade automotive carpet, with black carpet on woofer baffle. "JL AUDIO" is embroidered in silver on the side surface of the enclosure. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 200 - 600WNominal Impedance: 2Ω General Specifications Continuous Power Handling (RMS) 600 W System Nominal Impedance 2 Ω Enclosure Type Chamber-coupled, slot-ported, rear-firing design Finish Dark gray carpet with black insert Grille Included No Physical Specifications External Width (W) 14.5 in / 368 mm External Height (H) 16 in / 406 mm External Depth (D1) 24 in / 610 mm Net Weight 60.7 lb / 27.52 kg JL Audio HO112-W6v3 Brochure

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    $1,099.99

  • JL Audio HO110-W6v3 : 10" Subwoofer Enclosure - 600W RMS 2Ω Ported JL Audio HO110-W6v3 : 10" Subwoofer Enclosure - 600W RMS 2Ω Ported, input side.

    JL Audio HO110-W6v3 : 10" Subwoofer Enclosure, 600W RMS 2Ω Ported

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    High Output Series 10-Inch 600-Watt Enclosed Subwoofer System, 2Ω Ported Enclosure JL Audio's patented High Output Enclosures are designed to deliver the ultimate high-performance bass experience with a rare combination of superb sound quality and awesome output. In the HO110-W6v3, the high power handling of the 10W6v3 subwoofer driver, combined with its small enclosure requirements, results in a very compact subwoofer system that is capable of impressive output with moderate amplification. JL Audio's patented, chamber-coupled port design (U.S. patent #6,625,292) wraps around the inner enclosure boundary and terminates just above the woofer, coupling the port output to the woofer's direct output. This also provides the necessary surface area and port length to maximize the performance of the W6v3 driver. This enclosure design has been carefully engineered to the optimum ported alignment for the 10W6v3, and has been fine-tuned through extensive real-world listening. This subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. While no grille is provided, the recessed mounting baffle provides some protection for the woofer. A steel mesh woofer grille insert can be purchased separately (Model: SGR-10W6v2/v3), if additional woofer protection is desired. Finish: Dark gray, high-grade automotive carpet, with black carpet on woofer baffle. "JL AUDIO" is embroidered in silver on the side surface of the enclosure. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 200 - 600WNominal Impedance: 2Ω General Specifications Continuous Power Handling (RMS) 600 W System Nominal Impedance 2 Ω Enclosure Type Chamber-coupled, slot-ported, rear-firing design Finish Dark gray carpet with black insert Grille Included No Physical Specifications External Width (W) 12.125 in / 308 mm External Height (H) 14 in / 356 mm External Depth (D1) 21.75 in / 552 mm Net Weight 47.8 lb / 21.7 kg JL Audio HO110-W6v3 Brochure

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    $899.99

  • JL Audio HO112R-W7AE : 12" Subwoofer Enclosure - 1000W RMS 3Ω Ported JL Audio HO112R-W7AE : 12" Subwoofer Enclosure - 1000W RMS 3Ω Ported, input side.

    JL Audio HO112R-W7AE : 12" Subwoofer Enclosure, 1000W RMS 3Ω Ported

    Pre-Order Today!

    High Output Series 12-Inch 1000-Watt Enclosed Subwoofer System, 3Ω Ported Enclosure JL Audio's patented High Output Enclosures are designed to deliver the ultimate high-performance bass experience with a rare combination of superb sound quality and awesome output. JL Audio's patented, chamber-coupled port design (U.S. patent #6,625,292) wraps around the inner enclosure boundary and terminates just above the woofer, coupling the port output to the woofer's direct output. This also provides the necessary surface area and port length to maximize the performance of the W7AE driver. This enclosure design has been carefully engineered to the optimum ported alignment for the 12W7AE-3 and has been fine-tuned through extensive real-world listening. The high power handling of the 12W7AE, combined with the efficiency of this subwoofer system, produce a devastating performance combination. This subwoofer system is shipped wired, loaded and ready to connect via a five-way binding post terminal. While no grille is provided, the recessed mounting baffle provides some protection for the woofer. The angled-back design saves precious cargo space by allowing the enclosure to fit tightly against the back of a vehicle's rear seat. Finish: Dark gray, high-grade automotive carpet, with black carpet on woofer baffle. "JL AUDIO" is embroidered in silver on the top surface of the enclosure. Construction: CNC-Cut High-Grade MDF Recommended amplifier power: 400 - 1000WNominal Impedance: 3Ω General Specifications Continuous Power Handling (RMS) 1000 W System Nominal Impedance 3 Ω Enclosure Type Chamber-coupled, slot-ported, rear-firing design Finish Dark gray carpet with black insert Grille Included No Physical Specifications External Width (W) 34.0 in / 864 mm External Height (H) 17.0 in / 432 mm External Depth (D1) 20.5 in / 521 mm External Top Surface Depth (D2) 14.5 in / 368 mm Net Weight 119.0 lb / 53.95 kg JL Audio HO112R-W7AE Brochure

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    $1,599.99

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