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MTX Car Audio & Electronics

MTX Car Stereos

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MTX Car Subwoofers

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MTX Audio Installation & Accessories

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MTX Marine Audio

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MTX UTV & ATV Audio

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Vehicle-specific loaded sub box ✕
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Vehicle-specific loaded sub box,
Price Range
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 Size
Refers to the diameter of the subwoofer, measured in inches.
Box Type
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.
Type of Enclosure
Some of our Vehicle Specific enclosures are loaded with a subwoofer and an amplifier, some are only loaded with a subwoofer, while some are empty boxes.
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.
Total RMS Power Handling
This is the total RMS 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 RMS power handling for all of the subs combined.

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 giving your subwoofer(s) 75% - 90% of the recommended RMS rating.
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Final Wired Impedance
This is the final impedance of the system as the amplifier will see it. If the final impedance is for two sets, it means that the enclosure has two sets of terminals at the listed impedance.
Box Finish
The material used on the outside of the box. Most boxes are carpeted to prevent exterior scratches; however vinyl is popular as it can often be color-matched to a near exact look of your leather factory interior.
Condition
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MTX Audio Thunderform F250X00C20A-TN

400W Peak (200W RMS) Loaded Dual 10" Amplified Sealed Enclosure for select 2000-2014 F-250 Super Duty

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MTX Audio Thunderform F250X00C20A-TN

400W Peak (200W RMS) Loaded Dual 10" Amplified Sealed Enclosure for select 2000-2014 F-250 Super Duty

• 10" Amplified Loaded Subwoofer System
• 200 watts RMS
• Built-In Class Amplifier
• Speaker-Level Inputs
• Wired Remote Bass Level Control
• Compatible with select 2000-2014 F-250 Super Duty

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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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MTX Audio Thunderform DRQC20AC-TN (Charcoal, Amplified)

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 Ohm

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MTX J-WRANGLER-07L

250W RMS 10" Thunderform Series Single 4-ohm Subwoofer

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MTX J-WRANGLER-07L

250W RMS 10" Thunderform Series Single 4-ohm Subwoofer

• 1 10" MTX ThunderForm Series Subwoofer
• 250 watts RMS ( Peak)
• Final Impedance: 4-ohm
• Dimensions: 17-4/5" L x 16-5/16" H x 6-9/16" W

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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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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

• 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 ohm
• 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 F-150

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MTX Audio Thunderform F150C04BK12A-TN (Black, Amplified)

Amplified 12" 4 ohm Loaded Car Specific Thunderform Sub Enclosure select 2004-2008 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 Ohm

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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 F-150

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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 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 Ohm

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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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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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MTX PROXP-20-SW

800W Peak (400W RMS) Loaded Single 10" Ported Enclosure for select 2020-2021 RZR PRO XP 4 Ultimate / 4 / 4 Premium

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MTX PROXP-20-SW

800W Peak (400W RMS) Loaded Single 10" Ported Enclosure for select 2020-2021 RZR PRO XP 4 Ultimate / 4 / 4 Premium

• Ported enclosure with 1 10" subwoofer
• 400 watts RMS (800 watts Peak)
• Final Impedance: 4-ohm

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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

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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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Used from: $539.95

MTX Audio Thunderform F250X00BK20-TN

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

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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 FMUST05BK12-TN (Black, Loaded)

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

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MTX Audio Thunderform FMUST05BK12-TN (Black, Loaded)

select 2005-2014 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 ohm

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MTX Audio Thunderform FMUST05BK12A-TN (Amplified)

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

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MTX Audio Thunderform FMUST05BK12A-TN (Amplified)

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

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

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MTX F-150C-09L

250W RMS Loaded Single 10" Sealed Enclosure for select 2009-2015 F-150

F-150C-09L big
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MTX F-150C-09L

250W RMS Loaded Single 10" Sealed Enclosure for select 2009-2015 F-150

• Sealed enclosure with 1 10" MTX ThunderForm Series Subwoofer
• 250 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 14-1/4" L x 7-7/8" H x 28-7/8" W

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MTX Audio Thunderform F150C04C12-TN (Charcoal, Loaded)

12" 4 ohm Loaded Vehicle Specific Thunderform Subwoofer Enclosure for select 2004-2008 F-150

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MTX Audio Thunderform F150C04C12-TN (Charcoal, Loaded)

12" 4 ohm Loaded Vehicle Specific Thunderform Subwoofer Enclosure for select 2004-2008 F-150

• Loaded 12" Subwoofer Enclosure Custom-Fit for 2004-2007 Ford F-150 Pickup
• 400W Max
• 200W RMS
• Polypropylene Woofer Cone • Rubber Surround
• 28oz. Magnet Structure

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MTX C1500EX-07L

250W RMS Loaded Single 10" Sealed Enclosure for select 2007-2013 vehicles from Chevrolet, GMC

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MTX C1500EX-07L

250W RMS Loaded Single 10" Sealed Enclosure for select 2007-2013 vehicles from Chevrolet, GMC

• Sealed enclosure with 1 10" MTX ThunderForm Series Subwoofer
• 250 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 8" L x 16.31" H x 20.75" W

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MTX Audio Thunderform F-150EX-09L

250W RMS Loaded Single 10" Sealed Truck Enclosure for select 2009-2015 F-150

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MTX Audio Thunderform F-150EX-09L

250W RMS Loaded Single 10" Sealed Truck Enclosure for select 2009-2015 F-150

• Sealed enclosure with 1 10" MTX ThunderForm Series Subwoofer
• 250 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 36-1/3" L x 7-1/4" H x 14-1/8" W

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MTX Audio Thunderform F150C04BK12-TN (Black, Loaded)

12" Loaded Sub Enclosure Custom-Fit for select 2004-2008 F-150 (STX, XL, XLT, Base, FX4, Lariat)

F150C04BK12-TN big
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MTX Audio Thunderform F150C04BK12-TN (Black, Loaded)

12" Loaded Sub Enclosure Custom-Fit for select 2004-2008 F-150 (STX, XL, XLT, Base, FX4, Lariat)

• Loaded 12" Subwoofer Enclosure Custom-Fit for 2004-2007 Ford F-150 Pickup
• 400W Max
• 200W RMS
• Polypropylene Woofer Cone
• Rubber Surround
• 28oz. Magnet Structure

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MTX Audio Thunderform C1500C-07L

Loaded 10" 4 ohm Thunderform Subwoofer Enclosure for select 2007-2016 vehicles from Chevrolet, GMC

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MTX Audio Thunderform C1500C-07L

Loaded 10" 4 ohm Thunderform Subwoofer Enclosure for select 2007-2016 vehicles from Chevrolet, GMC

• Loaded 10" Enclosure
• Fits: 2007-2016 Silverado / Sierra CREW CAB

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MTX RZR-14-SW

Includes 10" 400W RMS Subwoofer, Custom Box & Mounting Hardware

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MTX RZR-14-SW

Includes 10" 400W RMS Subwoofer, Custom Box & Mounting Hardware

• Sealed or Ported Functionality
• QuIPS (Quick Install Port Seal) Technology
• Mounts Behind Dashboard on Passenger Side
• Factory Matched Texture
• Installer Friendly Design
• Direct OEM Fit, No Cutting or Drilling Required

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    ALL MTX STORE CATEGORIES

    MTX Audio is a high-end manufacturer of car, boat, and home audio products. They offer a wide selection of audio products and accessories to satisfy all of your audio needs. They are well known for producing top notch amplifiers and subwoofers, as well as other professional audio equipment. Some of their most outstanding products imclude the classic 75 Series round subwoofers, powerful Thunder Series amplifiers, the Thunder Series car speakers, and the hidden vehicle specific ThunderForm enclosures. MTX Audio also provides an entire line of installation accessories under the company Streetwires.

    Founded in 1979 by Loyd Ivey, MTX Audio has grown from a small speaker company into a huge audio manufacturing company. They have several facilities located across the United States. Sonic Electronix is proud to be an authorized online MTX dealer, carrying their full lines of car audio products with the best warranty available.

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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