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  1. Home
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  3. Car Subwoofers
  4. Custom-fit Subwoofer Boxes

Custom-fit Subwoofer Boxes for your 2016 A6

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Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Number of Subwoofers
This value represents the number of subwoofers that the enclosure accommodates or that are included in the package or bundled kit.
Subwoofer Design
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Total Peak Power Handling
This is the Total Peak Power handling of all the subwoofers included in the package or enclosure.

If the loaded enclosure or amplifier and subwoofer package includes more than a single subwoofer, then this is the total peak power handling for all of the subs combined.

Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements.
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MTX Audio Thunderform JWTJ97C20A-TN (Charcoal, Amplified)

1997-2006 Jeep Wrangler, Wrangler Unlimited, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform JWTJ97C20A-TN (Charcoal, Amplified)

1997-2006 Jeep Wrangler, Wrangler Unlimited, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

• Amplified 2 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• 1997-2006 Jeep Wrangler TJ
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm

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$849.95

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JL Audio Stealthbox® SBX-F-BRONCG6/10TW1

Custom Fit 12" Subwoofer Enclosure for select 2021-2025 Bronco

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JL Audio Stealthbox® SBX-F-BRONCG6/10TW1

Custom Fit 12" Subwoofer Enclosure for select 2021-2025 Bronco

• Sealed enclosure with 1 10" Stealth Series Subwoofer
• 300 watts RMS
• Final Impedance: 2-ohm
• Dimensions: 5-1/4" L x 14" H x 16-1/8" W
• Designed to fit behind the Passenger Side panel

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NVX Loaded BOOST Box - 2020-2023 Tesla Model Y - BE-TSLAY-G1D (Driver's Side)

For select 2020-2023 Model Y - Single 10" 500W RMS Loaded BOOST Sealed Enclosure

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NVX Loaded BOOST Box - 2020-2023 Tesla Model Y - BE-TSLAY-G1D (Driver's Side)

For select 2020-2023 Model Y - Single 10" 500W RMS Loaded BOOST Sealed Enclosure

• Sealed BOOST enclosure with 1 10" N Series Subwoofer (Driver Side)
• Fits select 2020-2023 Model Y (5-seat models only)
• 500 watts RMS (1000 watts Peak)
• Final Impedance: 2-ohm

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MTX Audio Thunderform JWTJ97C20-TN (Charcoal, Loaded)

Dual 10" Loaded Thunderform Subwoofer Enclosure for select 1997-2006 Wrangler and Wrangler Unlimited

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MTX Audio Thunderform JWTJ97C20-TN (Charcoal, Loaded)

Dual 10" Loaded Thunderform Subwoofer Enclosure for select 1997-2006 Wrangler and Wrangler Unlimited

• Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• 1997-2006 Jeep Wrangler TJ
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm

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Atrend A352-10CP

Empty Dual 10" Sealed Rear Underseat Enclosure for select 2001-2003 F-150

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Atrend A352-10CP

Empty Dual 10" Sealed Rear Underseat Enclosure for select 2001-2003 F-150

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.1 cubic feet
• Compatible with select 2001-2003 F-150

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$175.99

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Stinger TXJWB12

400W RMS Loaded Single 12" Sealed Swing Gate Enclosure for select 2007-2026 vehicles from Jeep

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Stinger TXJWB12

400W RMS Loaded Single 12" Sealed Swing Gate Enclosure for select 2007-2026 vehicles from Jeep

• Sealed enclosure with 1 12" Subwoofer
• 400 watts RMS
• Final Impedance: 2-ohm
• Mounts on the vehicle's swing gate
• Dimensions: 28.5" L x 14" H x 6.1" W

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NVX Tesla Model 3 Sub Box - BE-TM3-G1 BOOST Box

Custom Fit 500W RMS 10" Loaded BOOST Subwoofer Enclosure for 2017-Up Tesla Model 3

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NVX Tesla Model 3 Sub Box - BE-TM3-G1 BOOST Box

Custom Fit 500W RMS 10" Loaded BOOST Subwoofer Enclosure for 2017-Up Tesla Model 3

• Custom Bass Enclosure for select 2017-2022 Model 3
• Powerful NVX VSW104v2 Subwoofer
• Hand-Laid Fiberglass Enclosure
• Fits In the Storage Cubby On the Left Side of the Trunk
• Add 500 Watts RMS of Bass to Your Tesla

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• Custom Bass Enclosure for select 2017-2022 Model 3
• Powerful NVX VSW104v2 Subwoofer
• Hand-Laid Fiberglass Enclosure
• Fits In the Storage Cubby On the Left Side of the Trunk
• Add 500 Watts RMS of Bass to Your Tesla

NVX Loaded BOOST Box - 2014-2019 Toyota Corolla - BE-TOYCOR-G11

For select 2014-2019 Corolla - Single 10" 500W RMS Loaded BOOST Sealed Enclosure

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NVX Loaded BOOST Box - 2014-2019 Toyota Corolla - BE-TOYCOR-G11

For select 2014-2019 Corolla - Single 10" 500W RMS Loaded BOOST Sealed Enclosure

• Sealed BOOST enclosure with 1 10" N Series Subwoofer
• Fits select 2014-2019 Corolla
• 500 watts RMS (1000 watts Peak)
• Final Impedance: 2-ohm

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Atrend A622-10CP

Empty Dual 10" Sealed Rear Enclosure for select 2005-2015 Tacoma

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Atrend A622-10CP

Empty Dual 10" Sealed Rear Enclosure for select 2005-2015 Tacoma

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.64 cubic feet
• Compatible with select 2005-2015 Tacoma

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NVX BE-KIAOPTG3-VSW102 BOOST Box

Custom Fit 500W RMS 10" Loaded BOOST Subwoofer Enclosure for 2011-2015 Kia Optima

BE-KIAOPTG3-VSW104 big
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NVX BE-KIAOPTG3-VSW102 BOOST Box

Custom Fit 500W RMS 10" Loaded BOOST Subwoofer Enclosure for 2011-2015 Kia Optima

• Custom Bass Enclosure for 2011-2015 Kia Optima
• Powerful NVX VSW104v2 Subwoofer
• Hand-Laid Fiberglass Enclosure
• Fits In the Storage Cubby On the Left Side of the Trunk
• Add 500 Watts RMS of Bass to Your Kia

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• Custom Bass Enclosure for 2011-2015 Kia Optima
• Powerful NVX VSW104v2 Subwoofer
• Hand-Laid Fiberglass Enclosure
• Fits In the Storage Cubby On the Left Side of the Trunk
• Add 500 Watts RMS of Bass to Your Kia

JL Audio Stealthbox® SBX-T-TACDCG3/10TW3

Custom-Fit Loaded 10" Sealed Truck Enclosure with One 10TW3-D4 Subwoofer for select 2016-2023 Tacoma

SBX-T-TACDCG3/10TW3 big
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JL Audio Stealthbox® SBX-T-TACDCG3/10TW3

Custom-Fit Loaded 10" Sealed Truck Enclosure with One 10TW3-D4 Subwoofer for select 2016-2023 Tacoma

• Sealed truck enclosure with 1 10" TW3 Shallow Mount Series Subwoofer
• Designed for select 2016-2023 Tacoma
• 400 watts RMS Power Rating
• Final Impedance: 2-ohm
• Includes one JL Audio 10TW3-D4 subwoofer
• Installs in storage pocket behind the passenger side rear seat

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JL Audio Stealthbox® SB-J-JL4DDRV/10TW1-2

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2018-2026 Wrangler Unlimited 4xe and Wrangler Unlimited (JL) (Driver Side, 2-ohm)

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JL Audio Stealthbox® SB-J-JL4DDRV/10TW1-2

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2018-2026 Wrangler Unlimited 4xe and Wrangler Unlimited (JL) (Driver Side, 2-ohm)

• Sealed enclosure with 1 10" Stealthbox Series Subwoofer
• Designed for select 2018-2026 Wrangler Unlimited 4xe and Wrangler Unlimited (JL)
• 75-300 watts RMS Power Rating
• Final Impedance: 2-ohm
• Designed to be installed neatly on the driver side
• Hassle-free plug and play installation

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$1,349.99

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Atrend A322-10CP

Empty Single 10" Sealed Rear Enclosure for select 1986-2011 Ranger and Ranger Tremor

A322-10CP big
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Atrend A322-10CP

Empty Single 10" Sealed Rear Enclosure for select 1986-2011 Ranger and Ranger Tremor

• 10" Single Sealed Subwoofer Enclosure
• 5/8" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.0 cubic feet
• Compatible with select 1986-2011 Ranger and Ranger Tremor

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List price $174.99
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NVX BOOST Box - 2014-2018 Chevrolet Silverado, GMC Sierra - LVE-GM-SLVDCG3-D12S

For select 2014-2018 Sierra 2500 HD / 3500 HD / 1500 and Silverado 3500 HD / 2500 HD / 1500 Double Cab - Dual 12" 800W RMS Loaded Up Firing BOOST Sealed Truck Enclosure

LVE-GM-SLVDCG3-D12S big
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NVX BOOST Box - 2014-2018 Chevrolet Silverado, GMC Sierra - LVE-GM-SLVDCG3-D12S

For select 2014-2018 Sierra 2500 HD / 3500 HD / 1500 and Silverado 3500 HD / 2500 HD / 1500 Double Cab - Dual 12" 800W RMS Loaded Up Firing BOOST Sealed Truck Enclosure

• Custom-Fit BOOST Sealed truck enclosure with 2 12" S Series Subwoofers
• Compatible with select 2014-2018 Sierra 2500 HD / 3500 HD / 1500 and Silverado 3500 HD / 2500 HD / 1500
• 400 watts RMS (800 watts Peak)
• Final Impedance: 1-ohm

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JL Audio Stealthbox® SB-F-MUSCPE/12TW3

Custom fit subwoofer enclosure for select 2015-2025 Mustang and Mustang GTD

SB-F-MUSCPE/12TW3 big
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JL Audio Stealthbox® SB-F-MUSCPE/12TW3

Custom fit subwoofer enclosure for select 2015-2025 Mustang and Mustang GTD

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Single JL Audio 12TW3-D4
• 400 Watts RMS Power Handling
• Stealthbox seamlessly installs in the passenger side rear corner of the trunk

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$1,349.99

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Atrend A142-10

Empty Dual 10" Sealed Subwoofer Enclosure for select 2007-2014 Sierra 3500 HD / 1500 / 2500 HD and Silverado 2500 HD / 3500 HD / 1500

A142-10 big
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Atrend A142-10

Empty Dual 10" Sealed Subwoofer Enclosure for select 2007-2014 Sierra 3500 HD / 1500 / 2500 HD and Silverado 2500 HD / 3500 HD / 1500

• 10" Dual Sealed Subwoofer Enclosure
• Built for select 2007-2014 Sierra 3500 HD / 1500 / 2500 HD and Silverado 2500 HD / 3500 HD / 1500
• 3/4" Medium Density Fiberboard (MDF) construction
• Designed for rear underseat down-firing installation
• Premium, ultra-tough coat spray-liner finish
• Constructed using specially formulated aliphatic wood glue
• Total box volume: 1.82 cubic feet

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List price $369.99
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JL Audio Stealthbox® SB-T-TACDCG3/10TW3

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2012-2015 Tacoma

SB-T-TACDCG3/10TW3 big
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JL Audio Stealthbox® SB-T-TACDCG3/10TW3

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2012-2015 Tacoma

• Sealed enclosure with 1 10" Stealthbox Series Subwoofer
• Designed for select 2012-2015 Tacoma
• 400 watts RMS Power Rating
• Final Impedance: 2-ohm
• Designed to install neatly behind the rear seat
• Hassle-free plug and play installation

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MTX Audio Thunderform F250X00BK20-TN

400W RMS Loaded Single 10" Sealed Truck Enclosure for select 2000-2014 F-250 Super Duty

F250X00BK20-TN big
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MTX Audio Thunderform F250X00BK20-TN

400W RMS Loaded Single 10" Sealed Truck Enclosure for select 2000-2014 F-250 Super Duty

• Sealed enclosure with 2 10" MTX ThunderForm Series Subwoofer
• 200 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 55-1/8" L x 7" H x 10-3/4" W

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List price $699.99
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MTX Audio Thunderform F250X00C20-TN

400W RMS Loaded Dual 10" Sealed Truck Enclosure for select 2000-2014 F-250 Super Duty

F250X00C20-TN big
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MTX Audio Thunderform F250X00C20-TN

400W RMS Loaded Dual 10" Sealed Truck Enclosure for select 2000-2014 F-250 Super Duty

• Sealed enclosure with 2 10" MTX ThunderForm Series Subwoofer
• 200 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 55-1/8" L x 6-24/25" H x 10-3/4" W

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List price $689.99
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NVX Loaded BOOST Box - 2007-2017 Toyota Tundra - LVE-TOY-TUNDCG2-D12S

For select 2007-2017 Tundra Double Cab - Dual 12" 800W RMS Loaded BOOST Sealed Truck Enclosure

LVE-TOY-TUNDCG2-D12S big
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NVX Loaded BOOST Box - 2007-2017 Toyota Tundra - LVE-TOY-TUNDCG2-D12S

For select 2007-2017 Tundra Double Cab - Dual 12" 800W RMS Loaded BOOST Sealed Truck Enclosure

• Custom-Fit BOOST Sealed truck enclosure with 2 12" S Series Subwoofers
• Compatible with select 2007-2017 Tundra Double Cab
• 400 watts RMS (800 watts Peak)
• Final Impedance: 1-ohm

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    Custom-fit Subwoofer Boxes
    Finding custom fit car subwoofers and boxes doesn't have to be a tedious task. We get it, you don't just want to buy a set of speakers or a box that "might fit" your vehicle, you want want that actually gets the job done. Our wide selection of vehicle-specific subwoofer & boxes will have you rockin n rolling in no time.
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