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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.

6 products

  • Kicker 48TRTP102 : 400W Dual 10" Thin Subwoofer Enclosure Kicker 48TRTP102 : 400W Dual 10" Thin Subwoofer Enclosure, right side.

    Kicker 48TRTP102 : 400W Dual 10" Thin Subwoofer Enclosure

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    Dual 10-Inch Thin Subwoofer Enclosure, 400-Watt RMS, 2-Ohm The Kicker CompRT series down-firing 10-inch subwoofer enclosure comes loaded with a passive reFLEX™ subwoofer and Kicker CompRT sub, then carpeted and loaded with a single 2Ω terminal.  Covered in stylish black carpeting and built with thick MDF, these tough enclosures take serious power without taking up needed space. The TRTP 10-inch subwoofer enclosure works best with 400-watts of recommended power. Specifications TYPE: thin-profile WOOFER SIZE (in, cm): 10, 25 IMPEDANCE (Ohms): 2 Recommended Amplifier Power (watts RMS) 400 Peak Power (watts, per ANSI/CTA-2031-A) 800 SENSITIVITY (dB 1w/1m): 96.5 BOX TOP DEPTH (in, cm): 13-1/4, 33.5 BOX BOTTOM DEPTH (in, cm): 13-1/4, 33.5 BOX HEIGHT (in, cm): 5-5/8, 14.2 BOX WIDTH (in, cm): 25-5/8, 65 Kicker TRTP Subwoofer Enclosure Manual

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    $299.99

  • Kicker 48TCWRT10 : 400W Dual 10" Thin Subwoofer Enclosure, 2Ω Configuration Kicker 48TCWRT10 : 400W Dual 10" Thin Subwoofer Enclosure, 2Ω Configuration, left side.

    Kicker 48TCWRT102 : 400W Dual 10" Thin Subwoofer Enclosure, 2Ω Configuration

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    10-Inch 400-Watt Loaded Thin Dual Subwoofer Enclosure, 2-Ohm Final Impedance The CompRT 10" thin subwoofer by Kicker is a weather resistant thin sub with a 2Ω configuration with this box. The thin 10 inch sub magnet structure delivers 400W RMS of power with a chassis mounting depth of just under 3 1/2". The Kicker designed UniPlate™ back plate and solid pole piece serve as a single heat-absorbing unit to keep this 10" CompRT thin subwoofer driver nice and cool.The Kicker 43TCWRT102 10" subwoofer enclosure works best with 400 watts of RMS power. Specifications TYPE: thin-profile NO. OF WOOFERS/SIZE (in, cm): 10, 25 IMPEDANCE (Ohms): 2 Recommended Amplifier Power (watts RMS) 400 Peak Power (watts, per ANSI/CTA-2031-A) 800 SENSITIVITY (dB 1w/1m): 96.5 BOX TOP DEPTH (in, cm): 3-7/16, 8.8 BOX BOTTOM DEPTH (in, cm): 6-9/16, 16.7 BOX HEIGHT (in, cm): 11-13/16, 39 BOX WIDTH (in, cm): 23-1/4, 59.1 Kicker CompRT Subwoofer Enclosure Manual

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    $299.99

  • Kicker 46CWTB10 : Ten-Inch Loaded Marine Subwoofer Enclosure, 400-Watt, 2Ω or 4Ω Final Impedance 10" 400W Marine Subwoofer Enclosure, 2Ω or 4Ω : Kicker 46CWTB10 shown in the vertical mounting position.

    Kicker 46CWTB10 : 400W 10" Marine Subwoofer Enclosure, 2Ω or 4Ω

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    Ten-Inch Loaded Marine Subwoofer Enclosure, 400-Watt, 2Ω or 4Ω Final Impedance This weatherproof TB-Series subwoofer system by Kicker delivers serious bump from any corner of your trunk, behind your truck’s seat, or even in your boat or side-by-side. Surprisingly loud, the TB subs give you the bump you want without losing the space you need. Comes with a thick ABS tube construction, a flexible horizontal or vertical mounting system and spring-loaded speaker terminals. Sub-driver Grilles Included. The marine grade Kicker 46CWTB102 and 46CWTB104 10-Inch loaded subwoofer enclosures works best with 400-watts of amplified power. Specifications Type Reflex Size (in., cm) 10, 25 Impedance (ohms) 2 Power Watts (peak/RMS) 800/400 Sensitivity (dB 1w/1m) 85.7 Box Bottom Depth (in, cm) 16-9/16, 42.1 Box Height (in, cm) Vert. Mount: 17-1/16, 43.4; Horiz. Mount: 10-3/4, 27.3 Box Width (in, cm) 10-5/8, 27 What's in the Box: 1 - Enclosure assembly2 - Vertical mounting brackets1 - Horizontal mount base1 - Horizontal mount hook(retainer)1 - Horizontal mount plate(retaining clamp)7 - stainless steel M5 x 12mm button head screws for horizontal mount plate to base and mounting brackets to enclosure11 - nylon flat washers (to be used on all mounting fasteners)4 - stainless steel pan head phillips M4 x 25mm (for mount base to vehicle)1 - owner’s manual2 - Kicker stickers Kicker CWTB Subwoofer Enclosure Manual

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    $399.99

  • JL Audio CS112TG-TW3 : 12" Thin Subwoofer Enclosure - 400W RMS 2Ω JL Audio CS112TG-TW3 : 12" Thin Subwoofer Enclosure - 400W RMS 2Ω, side view.

    JL Audio CS112TG-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 sealed Truck PowerWedge™ subwoofer system, JL harnesses the performance of the 12TW3 to deliver amazing sub-bass from an enclosure that is only 7 in. (178 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 12TW3 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: 100 - 400WNominal Impedance: 2 Ω General Specifications System Nominal Impedance 2 Ω Grille Included Black Steel Mesh Finish Black carpet Enclosure Type Sealed, truck enclosure Continuous Power Handling (RMS) 400 W Physical Specifications External Width (W) 21.75 in / 537 mm External Height (H) 14.625 in / 371 mm External Depth (D1) 7 in / 178 mm External Top Surface Depth (D2) 4.5 in / 114 mm Net Weight 29 lb / 13.2 kg JL Audio CS112TG-TW3 Brochure

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    $549.99

  • JL Audio CS110TG-TW3 : 10" Thin Subwoofer Enclosure - 400W RMS 2Ω JL Audio CS110TG-TW3 : 10" Thin Subwoofer Enclosure - 400W RMS 2Ω, side view.

    JL Audio CS110TG-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 sealed Truck PowerWedge™ subwoofer system, JL harnesses the performance of the 10TW3 to deliver amazing sub-bass from an enclosure that is only 6.25 in. (159 mm) deep at its base and 4.1 in. (104 mm) at the top. This enclosure design has been carefully engineered to the optimum sealed enclosure alignment for the 10TW3 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: 100 - 400WNominal Impedance: 2 Ω General Specifications Continuous Power Handling (RMS) 400 W System Nominal Impedance 2 Ω Enclosure Type Sealed, truck enclosure Finish Black carpet Grille Included Black Steel Mesh Physical Specifications External Width (W) 19 in / 483 mm External Height (H) 12.375 in / 314 mm External Depth (D1) 6.25 in / 159 mm External Top Surface Depth (D2) 4.1 in / 104 mm Net Weight 21.2 lb / 9.6 kg JL Audio CS110TG-TW3 Brochure

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    $529.99

  • 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

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