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MTX Car Subwoofer Boxes

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This value represents the number of subwoofers that the enclosure accommodates or that are included in the package or bundled kit.
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Represents the style of the enclosure. Be sure to purchase the appropriate enclosure type and internal volume that will be compatible with your subwoofer's recommendation.

Sealed - Sealed boxes are those that have no holes or vents in it. The only hole in a sealed box is where the subwoofer is installed. Smaller sealed boxes require more power than a larger sealed box. They provide a tight, accurate bass, while the larger sealed enclosures provide a "boomier" and louder bass.

Ported / Vented - Ported/Vented Enclosures provide an even boomier, louder bass, but less accurate then a small, sealed box. Ported enclosures typically require more airspace per sub and also less power output from an amplifier to perform correctly.

Bandpass - Bandpass enclosures make subwoofers perform efficiently, but loose. The bass is not as "boomy" as a ported enclosure nor as punchy as a sealed enclosure. Bandpass enclosures work well with lower to mid-level subwoofers.
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Refers to the diameter of the subwoofer, measured in inches.
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The color of the enclosure's exterior/outer finish.
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The internal volume measurement in cubic feet before subwoofer magnet displacement.
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The box style or shape refers to the actual shape of the box. Square and rectangular boxes are straight-edged boxes on all sides, whereas hatchback and truck style enclosures feature an angled front or back design that allows for installation in places short on depth such as single cab pickup trucks. You can also use such enclosures in hatchback cars or other vehicles where space is a premium. Tube and cylinder shaped boxes were made popular by Bazooka and are a great option for those looking for a nice amount of bass without sacrificing lots of space. They may even fit in locations that slim truck boxes cannot fit in. If the enclosure is vehicle specific, we encourage you to read the product description to find out which vehicles the enclosure is made for.
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MTX Audio TNE212D Terminator Dual Subwoofer Package

800W Max (400W RMS) Dual 12" Terminator Series Loaded Subwoofer Bass Enclosure

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800W Max (400W RMS) Dual 12" Terminator Series Loaded Subwoofer Bass Enclosure

• 400 watts Dual 12" Sealed Subwoofer Enclosure
• Single 4 ohms Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 11-1/8" TD x 13-1/2" BD x 29-11/16" W x 14" H

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$169.95

In stock

• 400 watts Dual 12" Sealed Subwoofer Enclosure
• Single 4 ohms Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 11-1/8" TD x 13-1/2" BD x 29-11/16" W x 14" H

TNE212D small

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Price: $169.95

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Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$8.99

Add to cart

MTX Audio TNP212D2 Terminator Dual Subwoofer Package + Amplifier

800W Peak (400W RMS) Dual 12" Terminator Series Loaded Subwoofer Bass System with Amplifier and Bass Knob Included

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800W Peak (400W RMS) Dual 12" Terminator Series Loaded Subwoofer Bass System with Amplifier and Bass Knob Included

• 800W Peak (2 Subs)
• 400W RMS (2 Subs)
• 48oz. Magnet
• Terminator Series Class D Monoblock Car Amplifier
• Heavy 5/8" MDF Construction
• Black Carpeting

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$279.95

In stock

• 800W Peak (2 Subs)
• 400W RMS (2 Subs)
• 48oz. Magnet
• Terminator Series Class D Monoblock Car Amplifier
• Heavy 5/8" MDF Construction
• Black Carpeting

TNP212D2 small

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Price: $279.95

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Essential add-ons
Belva BAK82

Complete 8 Gauge Amplifier Wiring Kit with 2-Channel RCA Cable (CCA Wiring)

$49.99

$29.99

Add to cart
NVX SDTK20

Trunk Kit - 20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
Dynamat Xtreme 20' Trunk Kit 19405

20 ft. Trunk Kit with (5) Dynamat Extreme 18" x 32" Pieces

$236.95

$149.95

Add to cart
Boom Mat Damping Material (050210)

20.8 sq.ft Damping Material - (10 pk - 12-1/2" x 24" x 2mm )

$145.81

$119.99

Add to cart

MTX Audio Thunderform FMUST05BK12A-TN (Amplified)

Amplified 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure select 2005-2014 Ford Mustang

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Amplified 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure select 2005-2014 Ford Mustang

• Amplified 12" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2005-2008 Ford Mustang
• Loaded with Thunder4500 Subwoofer
• 400W Max
• 200W RMS
• 4 ohms
• Polypropylene Cone

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MTX TNE212DV

1000W Terminator Series Ported Dual 12" Subwoofer Enclosure

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1000W Terminator Series Ported Dual 12" Subwoofer Enclosure

• 1000W Dual 12" Vented Subwoofer Enclosure
• 12" Subwoofer
• 5/8" MDF Enclosure with Black Carpet Finish
• Enclosure Dimensions: 11" TD x 13.5" BD x 29.5" W x 14" H

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• 1000W Dual 12" Vented Subwoofer Enclosure
• 12" Subwoofer
• 5/8" MDF Enclosure with Black Carpet Finish
• Enclosure Dimensions: 11" TD x 13.5" BD x 29.5" W x 14" H

TNE212DV small

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Price: $219.95

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Essential add-ons
NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$49.99

$29.99

Add to cart
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
NVX Sound Dampening Rubber Roller (SDRLR1)

Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

$9.99

$8.99

Add to cart

MTX TNP212DV

1000W Terminator Series Ported Dual 12" Subwoofer Enclosure w/ Included Amplifier

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1000W Terminator Series Ported Dual 12" Subwoofer Enclosure w/ Included Amplifier

• 1000W Dual 12" Vented Subwoofer Enclosure with Included Amplifier
• 12" Subwoofer
• Included 500W Class D Amplifier
•5/8" MDF Enclosure with Black Carpet Finish
• Enclosure Dimensions: 11" TD x 13.5" BD x 29.5" W x 14" H

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• 1000W Dual 12" Vented Subwoofer Enclosure with Included Amplifier
• 12" Subwoofer
• Included 500W Class D Amplifier
•5/8" MDF Enclosure with Black Carpet Finish
• Enclosure Dimensions: 11" TD x 13.5" BD x 29.5" W x 14" H

TNP212DV small

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Price: $379.95

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Essential add-ons
NVX SDTK20

Trunk Kit - 20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
Dynamat Xtreme 20' Trunk Kit 19405

20 ft. Trunk Kit with (5) Dynamat Extreme 18" x 32" Pieces

$236.95

$149.95

Add to cart
Boom Mat Damping Material (050210)

20.8 sq.ft Damping Material - (10 pk - 12-1/2" x 24" x 2mm )

$145.81

$119.99

Add to cart

MTX Audio Magnum Subwoofer Bass Package MB210SP

1200W Dual 10" Loaded & Ported Subwoofer Enclosure with Monoblock Subwoofer Amplifier Included

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1200W Dual 10" Loaded & Ported Subwoofer Enclosure with Monoblock Subwoofer Amplifier Included

• 800W Peak
• Polymer coated pulp cone
• Foam surround
• 4 Ohm
• Magna Bass Mono Amplifier
• 5/8" MDF construction

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MB210SP small

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Price: $219.95

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Essential add-ons
NVX XBRC

Universal Remote Level Control for Car Amplifier/Amp Bass/Input

$9.99

$7.99

Add to cart
NVX SDTK20

Trunk Kit - 20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
Dynamat Xtreme 20' Trunk Kit 19405

20 ft. Trunk Kit with (5) Dynamat Extreme 18" x 32" Pieces

$236.95

$149.95

Add to cart
Boom Mat Damping Material (050210)

20.8 sq.ft Damping Material - (10 pk - 12-1/2" x 24" x 2mm )

$145.81

$119.99

Add to cart

MTX Audio Thunderform DRQC20AC-TN (Charcoal, Amplified)

select 2002-2018 vehicles from Ram, Dodge Amplified 2 10" 4 ohm Vehicle Specific Thunderform Subwoofer Enclosure

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select 2002-2018 vehicles from Ram, Dodge Amplified 2 10" 4 ohm Vehicle Specific Thunderform Subwoofer Enclosure

• Dual 10" Loaded Amplified MTX Thunderform Subwoofer Enclosure
• For Dodge Ram Quad Cab 2002-2014
• Loaded with Dual Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 Ohms

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DRQC20AC-TN small

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Price: $729.95

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MTX F-150EX-09A

250W RMS 10" 4-Ohm Super Cab Amplified Subwoofer Enclosure Fits Ford F-150

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250W RMS 10" 4-Ohm Super Cab Amplified Subwoofer Enclosure Fits Ford F-150

• 250W Single 10" Sealed Subwoofer Enclosure with Built-In Amplifier
• 10" Terminator Subwoofer
• Built-In 250W Terminator Amplifier
• Sealed enclosure with aviation grade carpet finish
• Enclosure Dimensions: 36-1/3" L x 7-1/4" H x 14-1/8" D

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Essential add-ons
Five Piece Installer's Panel Removal Tool Kit

Helps with removing dash and trim panels during car stereo installation.

$18.99

$11.99

Add to cart
18 Butt Connectors, 2 Ring Terminals, and Zip Ties

Great for connecting your car stereo wires to the harness.

$9.95

$9.95

Add to cart

MTX Audio Thunderform DRQC20C-TN (Charcoal, Loaded)

Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure for select 2002-2018 vehicles from Ram, Dodge

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Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure for select 2002-2018 vehicles from Ram, Dodge

• Dual 10" Loaded MTX Thunderform Subwoofer Enclosure
• For Dodge Ram Quad Cab 2002-2014
• Loaded with Dual Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohms
• Polypropylene Cone

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MTX Audio Thunderform F150C04BK12A-TN (Black, Amplified)

Amplified 12" 4 ohm Loaded Car Specific Thunderform Sub Enclosure select 2004-2008 Ford F-150

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Amplified 12" 4 ohm Loaded Car Specific Thunderform Sub Enclosure select 2004-2008 Ford F-150

• Amplified 12" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2004-2008 Ford F-150 Crew/Ext Cab
• Loaded with 12" Terminator Series Subwoofers
• 400W Max
• 200W RMS
• 4 Ohms

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MTX Audio Thunderform F150C04C12A-TN (Charcoal, Amplified)

Amplified 12" 4 ohm Loaded Car Specific Thunderform Sub Enclosure for select 2004-2008 Ford F-150

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Amplified 12" 4 ohm Loaded Car Specific Thunderform Sub Enclosure for select 2004-2008 Ford F-150

• Amplified 12" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2004-2008 Ford F-150 Crew/Ext Cab
• Loaded With 12" Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 Ohms

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MTX TTDDC07FB10-FPR

10" 200W Loaded Thunderform Subwoofer Enclosure for select 2007-2013 Toyota Tundra- Black

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10" 200W Loaded Thunderform Subwoofer Enclosure for select 2007-2013 Toyota Tundra- Black

• 200W Single 10" Sealed Subwoofer Enclosure
• RMS: 200 W Total
• Preloaded with single 10" FPR-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Hand Laid Fiberglass Construction - Black

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MTX Audio Thunderform F250X00C20-TN (Charcoal, Loaded)

select 2008-2014 Ford F-250 Super Duty Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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select 2008-2014 Ford F-250 Super Duty Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2000-2007 Ford F-250 Super Cab
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohms
• Polypropylene Cone

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MTX Audio RT8PT

Single 8" Road Thunder Subwoofer Loaded Bass Tube Enclosure

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Single 8" Road Thunder Subwoofer Loaded Bass Tube Enclosure

• Single 8" Road Thunder Subwoofer Powered Bass Tube Enclosure
• Polypropylene Woofer Cone
• Built-In Amplifier
• Speaker Level Inputs
• Vented Design
• Aviation Grade Carpet
• Mounting Straps Included
• Gain Rotary Knob

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• Single 8" Road Thunder Subwoofer Powered Bass Tube Enclosure
• Polypropylene Woofer Cone
• Built-In Amplifier
• Speaker Level Inputs
• Vented Design
• Aviation Grade Carpet
• Mounting Straps Included
• Gain Rotary Knob

RT8PT small

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Price: $169.95

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Essential add-ons
Belva BAK82

Complete 8 Gauge Amplifier Wiring Kit with 2-Channel RCA Cable (CCA Wiring)

$49.99

$29.99

Add to cart
NVX SDTK20

Trunk Kit - 20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
Dynamat Xtreme 20' Trunk Kit 19405

20 ft. Trunk Kit with (5) Dynamat Extreme 18" x 32" Pieces

$236.95

$149.95

Add to cart
Boom Mat Damping Material (050210)

20.8 sq.ft Damping Material - (10 pk - 12-1/2" x 24" x 2mm )

$145.81

$119.99

Add to cart

MTX Audio Thunderform FMUST05BK12-TN (Black, Loaded)

select 2005-2014 Ford Mustang 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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select 2005-2014 Ford Mustang 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Single 12" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2005-2008 Ford Mustang
• Loaded With a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohms

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MTX Audio Thunderform JWTJ97C20-TN (Charcoal, Loaded)

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

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

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

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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MTX Audio Thunderform F250X00BK20A-TN (Black, Amplified)

select 2000-2014 Ford F-250 Super Duty, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Sub Enclosure

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select 2000-2014 Ford F-250 Super Duty, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Sub Enclosure

• Amplified Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2000-2007 Ford F-250 Super Cab
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 Ohms

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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MTX Audio Thunderform JWTJ97C20A-TN (Charcoal, Amplified)

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

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select 1997-2006 Jeep Wrangler, 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 ohms

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MTX Audio RoadThunder Bass Box RTP8A - Amplified Enclosure Package

360W Peak (120W RMS) Loaded 8" Active Ported Subwoofer Enclosure featuring a Built-in Amplifier, Speaker-level (High-level) Inputs for OEM Integration, and External Wired Bass Knob Remote

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360W Peak (120W RMS) Loaded 8" Active Ported Subwoofer Enclosure featuring a Built-in Amplifier, Speaker-level (High-level) Inputs for OEM Integration, and External Wired Bass Knob Remote

• 120W Single 8" Vented Subwoofer Enclosure with Built-In Amplifier
• 120W RMS Class D Amplifier
• 8" Subwoofer
• Vented Enclosure with Carpeted Finish
• Single round port
• Enclosure Dimensions: 13.75" D x 13" W x 13" H

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• 120W Single 8" Vented Subwoofer Enclosure with Built-In Amplifier
• 120W RMS Class D Amplifier
• 8" Subwoofer
• Vented Enclosure with Carpeted Finish
• Single round port
• Enclosure Dimensions: 13.75" D x 13" W x 13" H

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Price: $169.95

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Belva BAK82

Complete 8 Gauge Amplifier Wiring Kit with 2-Channel RCA Cable (CCA Wiring)

$49.99

$29.99

Add to cart
NVX SDTK20

Trunk Kit - 20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
Dynamat Xtreme 20' Trunk Kit 19405

20 ft. Trunk Kit with (5) Dynamat Extreme 18" x 32" Pieces

$236.95

$149.95

Add to cart
Boom Mat Damping Material (050210)

20.8 sq.ft Damping Material - (10 pk - 12-1/2" x 24" x 2mm )

$145.81

$119.99

Add to cart

MTX TN8MS

Terminator Series 8" Micro Class A/B Amplified Subwoofer Enclosure

TN8MS big
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Terminator Series 8" Micro Class A/B Amplified Subwoofer Enclosure

• RMS: 135 Watts / Peak: 200 Watts
• Class A/B Topology
• Perfect for installation under a seat or behind a truck seat
• Frequency Response: 20Hz - 200Hz
• Variable Bass Boost: 12dB @45Hz

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Was $239.95 Details
$199.95

In stock

• RMS: 135 Watts / Peak: 200 Watts
• Class A/B Topology
• Perfect for installation under a seat or behind a truck seat
• Frequency Response: 20Hz - 200Hz
• Variable Bass Boost: 12dB @45Hz

TN8MS small

Item added to your cart.

Price: $199.95

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX SDTK20

Trunk Kit - 20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$89.99

$59.99

Add to cart
Dynamat Xtreme 20' Trunk Kit 19405

20 ft. Trunk Kit with (5) Dynamat Extreme 18" x 32" Pieces

$236.95

$149.95

Add to cart
Boom Mat Damping Material (050210)

20.8 sq.ft Damping Material - (10 pk - 12-1/2" x 24" x 2mm )

$145.81

$119.99

Add to cart

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