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  3. MTX Car Audio & Electronics
  4. MTX Car Subwoofers
  5. MTX Car Subwoofer Boxes

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Explore universal-fit product options for your 2003 Eclipse
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Product Type
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Number of Subwoofers
This value represents the number of subwoofers that the enclosure accommodates or that are included in the package or bundled kit.
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.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Box Exterior Color
The color of the enclosure's exterior/outer finish.
Total Box Volume
The internal volume measurement in cubic feet before subwoofer magnet displacement.
Box Style/Shape
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 F-150EX-09A

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

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MTX F-150EX-09A

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

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D amplifier
• Speaker-level inputs
• External bass control

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$719.95

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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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$929.95

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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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$899.95

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MTX C1500C-07A

250W RMS Loaded Single 10" Amplified Sealed Enclosure for select 2007-2016 vehicles from Chevrolet, GMC

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MTX C1500C-07A

250W RMS Loaded Single 10" Amplified Sealed Enclosure for select 2007-2016 vehicles from Chevrolet, GMC

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D amplifier
• Speaker-level inputs
• External bass control

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$719.95

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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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$599.95

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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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$779.95

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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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$599.95

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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