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  1. Home
  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Subwoofers
  4. Discontinued Custom-fit Subwoofer Boxes
  5. Discontinued MTX Thunderform Boxes

Discontinued MTX Thunderform Boxes for your 2023 A4 close

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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.
Peak Power Handling
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. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Top-Mount Depth (Mounting Depth)
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
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.

Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Xmax (millimeters)
Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.
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MTX Audio Thunderform HR06FB10A-T45 (Black, Amplified)

Honda Ridgeline 2006-2010, Amplified & Loaded 10" Fiberglass Subwoofer Enclosure

HR06FB10A-T45 big DISCONTINUED
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MTX Audio Thunderform HR06FB10A-T45 (Black, Amplified)

Honda Ridgeline 2006-2010, Amplified & Loaded 10" Fiberglass Subwoofer Enclosure

Amplified 10" Subwoofer Enclosure • Fits in Honda Ridgeline 2006-2010 • 450W Max • 225W RMS • Fiberglass Construction • Built-in BTL Amplifier • 30oz. Strontium Ferrite Magnet • Enclosure Volume: 0.92 Cubic Ft

No Fit Icon Doesn't fit your A4

Amplified 10" Subwoofer Enclosure • Fits in Honda Ridgeline 2006-2010 • 450W Max • 225W RMS • Fiberglass Construction • Built-in BTL Amplifier • 30oz. Strontium Ferrite Magnet • Enclosure Volume: 0.92 Cubic Ft

MTX Audio Thunderform F250R00C20A-TN (Charcoal, Amplified)

Ford F-250 Regular Cab 2000-2006, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Sub Enclosure

F250R00C20A-TN big DISCONTINUED
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MTX Audio Thunderform F250R00C20A-TN (Charcoal, Amplified)

Ford F-250 Regular Cab 2000-2006, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Sub Enclosure

• Amplified Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2000-2006 Ford F-250 Regular Cab
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 Ohm

No Fit Icon Doesn't fit your A4

• Amplified Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2000-2006 Ford F-250 Regular Cab
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 Ohm

MTX Audio Thunderform FRANX99C20A-TN (Charcoal, Amplified)

Ford Ranger Super Cab 1999-2007, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FRANX99C20A-TN (Charcoal, Amplified)

Ford Ranger Super Cab 1999-2007, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Subwoofer Enclosure

• Amplified Dual 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• For 1999-2007 Ford Ranger Super Cab
• Loaded with 2 Terminator Series Subwoofers
• 500W Max
• 400W RMS
• 4 Ohm

No Fit Icon Doesn't fit your A4

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• Amplified Dual 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• For 1999-2007 Ford Ranger Super Cab
• Loaded with 2 Terminator Series Subwoofers
• 500W Max
• 400W RMS
• 4 Ohm

MTX Audio Thunderform NTTNK04C20A-TN (Charcoal, Amplified)

Nissan Titan King Cab 2004-2008, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform NTTNK04C20A-TN (Charcoal, Amplified)

Nissan Titan King Cab 2004-2008, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Sub Enclosure

• Amplified Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• For 2004-2008 Nissan Titan King Cab
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm

No Fit Icon Doesn't fit your A4

• Amplified Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• For 2004-2008 Nissan Titan King Cab
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm

MTX Audio Thunderform F250R00C20-TN (Charcoal, Loaded)

Ford F-250 Regular Cab 2000-2006, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform F250R00C20-TN (Charcoal, Loaded)

Ford F-250 Regular Cab 2000-2006, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

• Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For Ford F-250 Regular Cab 2000-2006
• Loaded With Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 Ohm
• Polypropylene Cone

No Fit Icon Doesn't fit your A4

• Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For Ford F-250 Regular Cab 2000-2006
• Loaded With Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 Ohm
• Polypropylene Cone

MTX Audio Thunderform CS10AT-TN (Tan, Amplified)

Chevrolet Suburban 1992-2000, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform CS10AT-TN (Tan, Amplified)

Chevrolet Suburban 1992-2000, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

• MTX Thunderform Loaded, Amplified 10" Subwoofer Enclosure
• For 1992-2000 Chevrolet Suburban
• 10" Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 200 watt Class D Built-In Amplifier

No Fit Icon Doesn't fit your A4

• MTX Thunderform Loaded, Amplified 10" Subwoofer Enclosure
• For 1992-2000 Chevrolet Suburban
• 10" Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 200 watt Class D Built-In Amplifier

MTX Audio Thunderform RMP101AC-TN (Charcoal, Amplified)

Ford Ranger Regular Cab 1998-2007, Amplified 10" 4 ohm Loaded Car Specific Thunderform Sub Enclosure

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MTX Audio Thunderform RMP101AC-TN (Charcoal, Amplified)

Ford Ranger Regular Cab 1998-2007, Amplified 10" 4 ohm Loaded Car Specific Thunderform Sub Enclosure

• Amplified 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• For 1998-2007 Ford Ranger Regular Cab
• Loaded with a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

No Fit Icon Doesn't fit your A4

• Amplified 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• For 1998-2007 Ford Ranger Regular Cab
• Loaded with a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

MTX Audio Thunderform RMP101AT-TN (Tan, Amplified)

Ford Ranger Regular Cab 1998-2007, Amplified 10" 4 ohm Loaded Car Specific Thunderform Sub Enclosure

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MTX Audio Thunderform RMP101AT-TN (Tan, Amplified)

Ford Ranger Regular Cab 1998-2007, Amplified 10" 4 ohm Loaded Car Specific Thunderform Sub Enclosure

• Amplified 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• For 1998-2007 Ford Ranger Regular Cab
• Loaded with a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

No Fit Icon Doesn't fit your A4

• Amplified 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• For 1998-2007 Ford Ranger Regular Cab
• Loaded with a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

MTX Audio ThunderForm F250X00C20A-T45 (Charcoal, Amplified)

Loaded and Amplified 10" MTX ThunderForm for 2000-2007 Ford F-250 / F-350 SuperCab Trucks

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MTX Audio ThunderForm F250X00C20A-T45 (Charcoal, Amplified)

Loaded and Amplified 10" MTX ThunderForm for 2000-2007 Ford F-250 / F-350 SuperCab Trucks

Loaded and Amplified 10" MTX ThunderForm for 2000-2007 Ford F-250 / F-350 SuperCab Trucks (CHARCOAL) • 225W Max • 120W RMS • Injection-molded, carbon-filled polypropylene cone woofer • Rubber surround

No Fit Icon Doesn't fit your A4

Loaded and Amplified 10" MTX ThunderForm for 2000-2007 Ford F-250 / F-350 SuperCab Trucks (CHARCOAL) • 225W Max • 120W RMS • Injection-molded, carbon-filled polypropylene cone woofer • Rubber surround

MTX Audio Thunderform FRP20AC-T45 (Charcoal, Amplified)

Ford F-150 Regular Cab 1997-2003, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FRP20AC-T45 (Charcoal, Amplified)

Ford F-150 Regular Cab 1997-2003, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure • For Ford F-150 Regular Cab 1997-2003 • Loaded with 10" Thunder4500 Subwoofers • 900W Max • 450W RMS • 4 ohm • Carbon filled polypropylene cone

No Fit Icon Doesn't fit your A4

Amplified Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure • For Ford F-150 Regular Cab 1997-2003 • Loaded with 10" Thunder4500 Subwoofers • 900W Max • 450W RMS • 4 ohm • Carbon filled polypropylene cone

MTX Audio Thunderform FXP16AM-T45 (Maroon, Loaded)

Ford F-150 Extended Cab 1997-2003, Amplified 2 8" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FXP16AM-T45 (Maroon, Loaded)

Ford F-150 Extended Cab 1997-2003, Amplified 2 8" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified Dual 8" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 1997-2003 Ford F-150 Extended Cab • Loaded with 8" Thunder4500 Subwoofers • 600W Max • 300W RMS • 4 ohm

No Fit Icon Doesn't fit your A4

Amplified Dual 8" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 1997-2003 Ford F-150 Extended Cab • Loaded with 8" Thunder4500 Subwoofers • 600W Max • 300W RMS • 4 ohm

MTX Audio Thunderform FXP16AW-T45 (Willow Green, Amplified)

Ford F-150 Extended Cab 1997-2003, Amplified 2 8" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FXP16AW-T45 (Willow Green, Amplified)

Ford F-150 Extended Cab 1997-2003, Amplified 2 8" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified Dual 8" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 1997-2003 Ford F-150 Extended Cab • Loaded with 8" Thunder4500 Subwoofers • 600W Max • 300W RMS • 4 ohm

No Fit Icon Doesn't fit your A4

Amplified Dual 8" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 1997-2003 Ford F-150 Extended Cab • Loaded with 8" Thunder4500 Subwoofers • 600W Max • 300W RMS • 4 ohm

MTX Audio Thunderform DDXP201-T45 (Ebony/Black, Loaded)

Dodge Dakota 1997-2004, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform DDXP201-T45 (Ebony/Black, Loaded)

Dodge Dakota 1997-2004, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Loaded Dual 10" Thunder Form Subwoofer Enclosure for 1997-2004 Dodge Dakota Club Cab Trucks • 900W Max (2 subs) • 450W RMS (2 subs) • Aluminum coated polypropylene • Rubber surround • 30oz. Strontium magnet

No Fit Icon Doesn't fit your A4

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Loaded Dual 10" Thunder Form Subwoofer Enclosure for 1997-2004 Dodge Dakota Club Cab Trucks • 900W Max (2 subs) • 450W RMS (2 subs) • Aluminum coated polypropylene • Rubber surround • 30oz. Strontium magnet

MTX Audio Thunderform CS10C-T45 (Charcoal, Loaded)

Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform CS10C-T45 (Charcoal, Loaded)

Chevrolet Suburban 1992-2000, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Chevrolet Suburban 1992-2000, 10" 4 ohm Loaded Vehicle Specific Thunderform Subwoofer Enclosure with 1 Thunder 4500 Subwoofer • 450W Max • 225W RMS • Replaces factory console • Features integrated cup holders and storage area

No Fit Icon Doesn't fit your A4

Chevrolet Suburban 1992-2000, 10" 4 ohm Loaded Vehicle Specific Thunderform Subwoofer Enclosure with 1 Thunder 4500 Subwoofer • 450W Max • 225W RMS • Replaces factory console • Features integrated cup holders and storage area

MTX Audio Thunderform FEX10-T45 (Black, Loaded)

Ford Explorer 1991-2001, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FEX10-T45 (Black, Loaded)

Ford Explorer 1991-2001, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

10" Loaded MTX Thunderform Subwoofer Enclosure • For 1991-2001 Ford Explorer, Mazda Navajo, and Mercury Mountaineer • Loaded with Thunder4500 Subwoofer • 450W Max • 225W RMS • 4 ohm • Carbon filled polypropylene cone

No Fit Icon Doesn't fit your A4

10" Loaded MTX Thunderform Subwoofer Enclosure • For 1991-2001 Ford Explorer, Mazda Navajo, and Mercury Mountaineer • Loaded with Thunder4500 Subwoofer • 450W Max • 225W RMS • 4 ohm • Carbon filled polypropylene cone

MTX Audio Thunderform CCOLC04C10U (Charcoal, Unloaded)

Chevrolet Colorado Crew Cab 2004-up / GMC Canyon Crew Cab 2004-2007 10" Unloaded Vehicle Specific Bass Slammer Subwoofer Enclosure

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MTX Audio Thunderform CCOLC04C10U (Charcoal, Unloaded)

Chevrolet Colorado Crew Cab 2004-up / GMC Canyon Crew Cab 2004-2007 10" Unloaded Vehicle Specific Bass Slammer Subwoofer Enclosure

• Empty 10" ThunderForm Subwoofer Enclosure for 2004-Up Chevrolet Colorado Crew Cab OR 2004-2007 GMC Canyon Crew Cab
• Mounts In Front Of Cup Holder
• Enclosure Volume: 0.6 Cubic Feet, Sealed

No Fit Icon Doesn't fit your A4

1

• Empty 10" ThunderForm Subwoofer Enclosure for 2004-Up Chevrolet Colorado Crew Cab OR 2004-2007 GMC Canyon Crew Cab
• Mounts In Front Of Cup Holder
• Enclosure Volume: 0.6 Cubic Feet, Sealed

MTX Audio Thunderform CXP20AT-TN (Tan, Amplified)

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohm Car Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform CXP20AT-TN (Tan, Amplified)

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohm Car Specific Thunderform Subwoofer Enclosure

• Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure
• For 1999-2006 Chevrolet Extra Cab
• Also Fits 1999-2001 GMC Pick-Up Extended Cab
• 800W Max
• 400W RMS
• Built-in 200W Amplifier

No Fit Icon Doesn't fit your A4

• Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure
• For 1999-2006 Chevrolet Extra Cab
• Also Fits 1999-2001 GMC Pick-Up Extended Cab
• 800W Max
• 400W RMS
• Built-in 200W Amplifier

MTX Audio Thunderform DDXP201A-TN (Black, Amplified)

Dodge Dakota 1997-2004, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform DDXP201A-TN (Black, Amplified)

Dodge Dakota 1997-2004, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

• Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure
• For 1997-2004 Dodge Dakota Club Cab
• Mounts Under The Rear Jump Seat
• 800W Max
• 400W RMS
• Built-In 200W Amplifier

No Fit Icon Doesn't fit your A4

1

• Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure
• For 1997-2004 Dodge Dakota Club Cab
• Mounts Under The Rear Jump Seat
• 800W Max
• 400W RMS
• Built-In 200W Amplifier

MTX Audio Thunderform BUG10-T45 (Black, Loaded)

Volkswagen Beetle 1998-2007, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform BUG10-T45 (Black, Loaded)

Volkswagen Beetle 1998-2007, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Single 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• Volkswagen Beetle 1998-2007
• Loaded with Thunder4500 Subwoofer
• 450W Max
• 225W RMS
• 4 ohm
• Carbon Filled Polypropylene Cone

No Fit Icon Doesn't fit your A4

• Single 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• Volkswagen Beetle 1998-2007
• Loaded with Thunder4500 Subwoofer
• 450W Max
• 225W RMS
• 4 ohm
• Carbon Filled Polypropylene Cone

MTX Audio Thunderform CXP20AB-T45 (Blue, Amplified)

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform CXP20AB-T45 (Blue, Amplified)

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure • For 1999-2006 Chevrolet Extra Cab • Also Fits 1999-2001 GMC Pick-Up Extended Cab • 900W Max • 450W RMS • Built-in 200W Amplifier

No Fit Icon Doesn't fit your A4

Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure • For 1999-2006 Chevrolet Extra Cab • Also Fits 1999-2001 GMC Pick-Up Extended Cab • 900W Max • 450W RMS • Built-in 200W Amplifier

MTX Audio Thunderform F150R04BK24A-T45 (Black, Amplified)

Ford F-150 Regular Cab 2004-2010, Amplified 2 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform F150R04BK24A-T45 (Black, Amplified)

Ford F-150 Regular Cab 2004-2010, Amplified 2 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Dual 12" Amplified Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2004-2008 Ford F-150 Regular Cab
• Loaded with 12" Thunder4500 Subwoofer
• 900W Max
• 450W RMS
• 4 ohm
• Carbon filled polypropylene cone

No Fit Icon Doesn't fit your A4

• Dual 12" Amplified Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2004-2008 Ford F-150 Regular Cab
• Loaded with 12" Thunder4500 Subwoofer
• 900W Max
• 450W RMS
• 4 ohm
• Carbon filled polypropylene cone

MTX Audio Thunderform C15EX07FB10-T45 (Black, Loaded)

Chevrolet 1500/2500 Extra Cab 2007-2010 Loaded 10" 4 ohm Subwoofer Enclosure

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MTX Audio Thunderform C15EX07FB10-T45 (Black, Loaded)

Chevrolet 1500/2500 Extra Cab 2007-2010 Loaded 10" 4 ohm Subwoofer Enclosure

• Loaded 10" Subwoofer Enclosure
• Fits in Chevrolet 1500/2500 Extended Cab 2007-2010
• 450W Max
• 225W RMS
• Fiberglass Construction
• 1.5" Voice Coil
• 30oz. Strontium Ferrite Magnet
• Enclosure Volume: 1.0 Cubic Ft

No Fit Icon Doesn't fit your A4

• Loaded 10" Subwoofer Enclosure
• Fits in Chevrolet 1500/2500 Extended Cab 2007-2010
• 450W Max
• 225W RMS
• Fiberglass Construction
• 1.5" Voice Coil
• 30oz. Strontium Ferrite Magnet
• Enclosure Volume: 1.0 Cubic Ft

MTX Audio Thunderform DRQC20AC-TN (Charcoal, Amplified) Open Box (Complete)

Dodge Ram Quad Cab 2002-2014, Amplified 2 10" 4 ohm Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform DRQC20AC-TN (Charcoal, Amplified) Open Box (Complete)

Dodge Ram Quad Cab 2002-2014, 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

No Fit Icon Doesn't fit your A4

2

• 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

MTX Audio Thunderform CTYE01BK10A-T45 (Black, Amplified)

Chevrolet Tahoe 2001-2006, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform CTYE01BK10A-T45 (Black, Amplified)

Chevrolet Tahoe 2001-2006, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Sealed MTX Thunderform Amplified Subwoofer Enclosure Loaded with a 10" Thunder4500 Subwoofer• For Chevrolet Tahoe 2001-2006 • 450W Max • 225W RMS • 4 Ohm • Replaces factory console • Black

No Fit Icon Doesn't fit your A4

1

Sealed MTX Thunderform Amplified Subwoofer Enclosure Loaded with a 10" Thunder4500 Subwoofer• For Chevrolet Tahoe 2001-2006 • 450W Max • 225W RMS • 4 Ohm • Replaces factory console • Black

MTX Audio Thunderform F250C00C10A-T45 (Charcoal, Amplified)

Ford F-250 Crew Cab 2000-2006, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform F250C00C10A-T45 (Charcoal, Amplified)

Ford F-250 Crew Cab 2000-2006, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure • For 2000-2007 Ford F-250 and F-350 Supercrew • Loaded with Thunderform4500 Subwoofer • 450W Max • 225W RMS • 4 ohm • Carbon filled polypropylene cone

No Fit Icon Doesn't fit your A4

1

Amplified 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure • For 2000-2007 Ford F-250 and F-350 Supercrew • Loaded with Thunderform4500 Subwoofer • 450W Max • 225W RMS • 4 ohm • Carbon filled polypropylene cone

MTX Audio Thunderform FMC10A-T45 (Gray, Amplified)

Ford Mustang 1994-2004, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FMC10A-T45 (Gray, Amplified)

Ford Mustang 1994-2004, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified 10" Loaded Vehicle Specific MTX Thunderform Sealed Subwoofer Enclosure • For 1994-2004 Ford Mustang • Loaded with Thunder4500 Subwoofer • 450W Max • 225W RMS • 4 ohm • Carbon Filled Polypropylene Cone

No Fit Icon Doesn't fit your A4

Amplified 10" Loaded Vehicle Specific MTX Thunderform Sealed Subwoofer Enclosure • For 1994-2004 Ford Mustang • Loaded with Thunder4500 Subwoofer • 450W Max • 225W RMS • 4 ohm • Carbon Filled Polypropylene Cone

MTX Audio Thunderform F250X00T20A-TN (Tan, Amplified) Open Box (Complete)

Ford F-250 Super Cab 2000-2007, Amplified 2 10" 4 ohms Loaded Car Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform F250X00T20A-TN (Tan, Amplified) Open Box (Complete)

Ford F-250 Super Cab 2000-2007, Amplified 2 10" 4 ohms Loaded Car Specific Thunderform Subwoofer 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 Ohm

No Fit Icon Doesn't fit your A4

• 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 Ohm

MTX Audio Thunderform F250R00BK20A-TN (Black, Amplified)

Ford F-250 Regular Cab 2000-2006, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform F250R00BK20A-TN (Black, Amplified)

Ford F-250 Regular Cab 2000-2006, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Sub Enclosure

• Amplified Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2000-2006 Ford F-250 Regular Cab
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm

No Fit Icon Doesn't fit your A4

• Amplified Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2000-2006 Ford F-250 Regular Cab
• Loaded with Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm

MTX Audio Thunderform F150EX09FB10A-TN (Black, Amplified) Open Box

Ford F-150 SuperCab 2009-2010, Amplified & Loaded 10" Subwoofer Enclosure

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MTX Audio Thunderform F150EX09FB10A-TN (Black, Amplified) Open Box

Ford F-150 SuperCab 2009-2010, Amplified & Loaded 10" Subwoofer Enclosure

Amplified 10" Subwoofer Enclosure • Fits in Ford F-150 SuperCab Cab 2009-2010 • 400W Max • 200W RMS • Fiberglass Construction • Built-in BTL Amplifier • 28oz. Magnet • Enclosure Volume: 1.0 Cubic Ft

No Fit Icon Doesn't fit your A4

Amplified 10" Subwoofer Enclosure • Fits in Ford F-150 SuperCab Cab 2009-2010 • 400W Max • 200W RMS • Fiberglass Construction • Built-in BTL Amplifier • 28oz. Magnet • Enclosure Volume: 1.0 Cubic Ft

MTX Audio Thunderform JWTJ97T20A-TN (Tan, Amplified)

, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform JWTJ97T20A-TN (Tan, Amplified)

, 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

No Fit Icon Doesn't fit your A4

• 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

MTX Audio Thunderform JWTJ97C20A-TN (Charcoal, Amplified) Open Box (Complete)

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

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MTX Audio Thunderform JWTJ97C20A-TN (Charcoal, Amplified) Open Box (Complete)

Jeep Wrangler TJ 1997-2006, 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

No Fit Icon Doesn't fit your A4

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• 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

MTX Audio Thunderform BUG10A-TN (Black, Amplified)

Volkswagen Beetle 1998-2007, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform BUG10A-TN (Black, Amplified)

Volkswagen Beetle 1998-2007, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Sub Enclosure

• Amplified 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• Volkswagen Beetle 1998-2007
• Loaded with a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

No Fit Icon Doesn't fit your A4

• Amplified 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• Volkswagen Beetle 1998-2007
• Loaded with a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

MTX Audio Thunderform CXP20AC-TN (Charcoal, Amplified)

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohm Car Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform CXP20AC-TN (Charcoal, Amplified)

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohm Car Specific Thunderform Subwoofer Enclosure

• Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure
• For 1999-2006 Chevrolet Extra Cab
• Also Fits 1999-2001 GMC Pick-Up Extended Cab
• 800W Max
• 400W RMS
• Built-in 200W Amplifier

No Fit Icon Doesn't fit your A4

• Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure
• For 1999-2006 Chevrolet Extra Cab
• Also Fits 1999-2001 GMC Pick-Up Extended Cab
• 800W Max
• 400W RMS
• Built-in 200W Amplifier

MTX Audio Thunderform FMUST05BK12A-TN (AMPLIFIED) (Open Box, Complete)

Ford Mustang 2005-2009, Amplified 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FMUST05BK12A-TN (AMPLIFIED) (Open Box, Complete)

Ford Mustang 2005-2009, Amplified 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• 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

No Fit Icon Doesn't fit your A4

• 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

MTX Audio Thunderform C25HC00C20-T45 (Tan, Loaded) Open Box

Chevrolet 2500/3500 Crew Cab 2000-2006, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform C25HC00C20-T45 (Tan, Loaded) Open Box

Chevrolet 2500/3500 Crew Cab 2000-2006, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Dual 10" Loaded Thunderform Subwoofer Enclosure • For Chevrolet 2500/3500 Crew Cab 2000-2006 • 900W Max • 450W RMS • 4 ohm • Also fits 2000-2006 GMC 2500 and 3500HD Crew Cab

No Fit Icon Doesn't fit your A4

Dual 10" Loaded Thunderform Subwoofer Enclosure • For Chevrolet 2500/3500 Crew Cab 2000-2006 • 900W Max • 450W RMS • 4 ohm • Also fits 2000-2006 GMC 2500 and 3500HD Crew Cab

MTX Audio Thunderform NTTNK04G20A-T45 (Gray, Amplified)

Nissan Titan King Cab 2004-2008, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform NTTNK04G20A-T45 (Gray, Amplified)

Nissan Titan King Cab 2004-2008, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 2004-2008 Nissan Titan King Cab • Loaded with Thunder4500 Subwoofer • 900W Max • 450W RMS • 4 ohm • Carbon Filled Polypropylene Cone

No Fit Icon Doesn't fit your A4

Amplified Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 2004-2008 Nissan Titan King Cab • Loaded with Thunder4500 Subwoofer • 900W Max • 450W RMS • 4 ohm • Carbon Filled Polypropylene Cone

MTX Audio Thunderform F250X00G20-T45 (Gray, Loaded)

Ford F-250 Super Cab 2000-2007, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform F250X00G20-T45 (Gray, Loaded)

Ford F-250 Super Cab 2000-2007, 2 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 Thunder4500 Subwoofers • 900W Max • 450W RMS • 4 ohm • Carbon filled polypropylene cone

No Fit Icon Doesn't fit your A4

Dual 10" Loaded MTX Thunderform Sealed Subwoofer Enclosure • For 2000-2007 Ford F-250 Super Cab • Loaded with Thunder4500 Subwoofers • 900W Max • 450W RMS • 4 ohm • Carbon filled polypropylene cone

MTX Audio Thunderform C25HC00C20-T45 (Tan, Loaded)

Chevrolet 2500/3500 Crew Cab 2000-2006, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform C25HC00C20-T45 (Tan, Loaded)

Chevrolet 2500/3500 Crew Cab 2000-2006, 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Dual 10" Loaded Thunderform Subwoofer Enclosure • For Chevrolet 2500/3500 Crew Cab 2000-2006 • 900W Max • 450W RMS • 4 ohm • Also fits 2000-2006 GMC 2500 and 3500HD Crew Cab

No Fit Icon Doesn't fit your A4

Dual 10" Loaded Thunderform Subwoofer Enclosure • For Chevrolet 2500/3500 Crew Cab 2000-2006 • 900W Max • 450W RMS • 4 ohm • Also fits 2000-2006 GMC 2500 and 3500HD Crew Cab

MTX Audio Thunderform DRXP20AC-T45 (Charcoal, Amplified)

Dodge Ram Extra Cab 1994-2001, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform DRXP20AC-T45 (Charcoal, Amplified)

Dodge Ram Extra Cab 1994-2001, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified Dual 10" 4 ohm Loaded Thunderform Subwoofer Enclosure • For 1994-2001 Dodge Ram Extra Cab • Thunder4500 Subwoofers Loaded • 900W Max • 450W RMS • Carbon filled polypropylene cone

No Fit Icon Doesn't fit your A4

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Amplified Dual 10" 4 ohm Loaded Thunderform Subwoofer Enclosure • For 1994-2001 Dodge Ram Extra Cab • Thunder4500 Subwoofers Loaded • 900W Max • 450W RMS • Carbon filled polypropylene cone

MTX Audio Thunderform NFTRC05T10A-T45 (Tan, Amplified) Open Box

(Open Box) Nissan Frontier Crew Cab 2005-2007, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform NFTRC05T10A-T45 (Tan, Amplified) Open Box

(Open Box) Nissan Frontier Crew Cab 2005-2007, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified 10" Loaded Vehicle Specific MTX Thunderform Sealed Subwoofer Enclosure • Nissan Frontier Crew Cab 2005-2007 • Loaded with Thunder4500 Subwoofer • 450W Max • 225W RMS • 4 ohm • Carbon filled polypropylene cone

No Fit Icon Doesn't fit your A4

Amplified 10" Loaded Vehicle Specific MTX Thunderform Sealed Subwoofer Enclosure • Nissan Frontier Crew Cab 2005-2007 • Loaded with Thunder4500 Subwoofer • 450W Max • 225W RMS • 4 ohm • Carbon filled polypropylene cone

MTX Audio Thunderform CXP20AC-TN (Charcoal, Amplified) Open Box

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohm Car Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform CXP20AC-TN (Charcoal, Amplified) Open Box

Chevrolet Extra Cab 1999-2006, Amplified 2 10" 4 ohm Car Specific Thunderform Subwoofer Enclosure

• Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure
• For 1999-2006 Chevrolet Extra Cab
• Also Fits 1999-2001 GMC Pick-Up Extended Cab
• 800W Max
• 400W RMS
• Built-in 200W Amplifier

No Fit Icon Doesn't fit your A4

• Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure
• For 1999-2006 Chevrolet Extra Cab
• Also Fits 1999-2001 GMC Pick-Up Extended Cab
• 800W Max
• 400W RMS
• Built-in 200W Amplifier

MTX FRANX99C20A-TN Open Box Incomplete

Ford Ranger Super Cab 1999-2007, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Subwoofer Enclosure

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MTX FRANX99C20A-TN Open Box Incomplete

Ford Ranger Super Cab 1999-2007, Amplified 2 10" 4 ohms Vehicle Specific Thunderform Subwoofer Enclosure

• Amplified Dual 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• For 1999-2007 Ford Ranger Super Cab
• Loaded with 2 Terminator Series Subwoofers
• 500W Max
• 400W RMS
• 4 Ohm

No Fit Icon Doesn't fit your A4

• Amplified Dual 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure
• For 1999-2007 Ford Ranger Super Cab
• Loaded with 2 Terminator Series Subwoofers
• 500W Max
• 400W RMS
• 4 Ohm

MTX Audio Thunderform CF10A-T45 (Black, Amplified)

Chevrolet Camaro / Pontiac Firebird 1993-2002, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform CF10A-T45 (Black, Amplified)

Chevrolet Camaro / Pontiac Firebird 1993-2002, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

MTX Audio ThunderForm 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 1993-2002 Chevrolet Camaro and Pontiac Firebird • 200W Amplifier • Virtually invisible when installed

No Fit Icon Doesn't fit your A4

MTX Audio ThunderForm 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 1993-2002 Chevrolet Camaro and Pontiac Firebird • 200W Amplifier • Virtually invisible when installed

MTX Audio Thunderform FEX10A-T45 (Black, Amplified)

Ford Explorer 1991-2001, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FEX10A-T45 (Black, Amplified)

Ford Explorer 1991-2001, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• 10" Loaded Amplified MTX Thunderform Subwoofer Enclosure
• For 1991-2001 Ford Explorer, Mazda Navajo, and Mercury Mountaineer
• Loaded with Thunder4500 Subwoofer
• 450W Max
• 225W RMS
• 4 ohm
• Carbon filled polypropylene cone

No Fit Icon Doesn't fit your A4

• 10" Loaded Amplified MTX Thunderform Subwoofer Enclosure
• For 1991-2001 Ford Explorer, Mazda Navajo, and Mercury Mountaineer
• Loaded with Thunder4500 Subwoofer
• 450W Max
• 225W RMS
• 4 ohm
• Carbon filled polypropylene cone

MTX Audio Thunderform CTYSD07FB10A-T45 (Black, Amplified)

Chevrolet Tahoe 2007-2010, Amplified & Loaded 10" Subwoofer Enclosure

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MTX Audio Thunderform CTYSD07FB10A-T45 (Black, Amplified)

Chevrolet Tahoe 2007-2010, Amplified & Loaded 10" Subwoofer Enclosure

Amplified 10" Subwoofer Enclosure • Fits in Chevrolet Tahoe/Suburban 2007-2010 • 450W Max • 225W RMS • Fiberglass Construction • Built-in BTL Amplifier • 30oz. Strontium Ferrite Magnet • Enclosure Volume: 0.6 Cubic Ft

No Fit Icon Doesn't fit your A4

Amplified 10" Subwoofer Enclosure • Fits in Chevrolet Tahoe/Suburban 2007-2010 • 450W Max • 225W RMS • Fiberglass Construction • Built-in BTL Amplifier • 30oz. Strontium Ferrite Magnet • Enclosure Volume: 0.6 Cubic Ft

MTX Audio Thunderform F150C09FB10A-T45 (Black, Amplified)

Ford F-150 SuperCrew Cab 2009-2010 Amplified & Loaded 10" Subwoofer Enclosure

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MTX Audio Thunderform F150C09FB10A-T45 (Black, Amplified)

Ford F-150 SuperCrew Cab 2009-2010 Amplified & Loaded 10" Subwoofer Enclosure

Amplified 10" Subwoofer Enclosure • Fits in Ford F-150 SuperCrew Cab 2009-2010 • 450W Max • 225W RMS • Fiberglass Construction • Built-in BTL Amplifier • 30oz. Strontium Ferrite Magnet • Enclosure Volume: 1.0 Cubic Ft

No Fit Icon Doesn't fit your A4

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Amplified 10" Subwoofer Enclosure • Fits in Ford F-150 SuperCrew Cab 2009-2010 • 450W Max • 225W RMS • Fiberglass Construction • Built-in BTL Amplifier • 30oz. Strontium Ferrite Magnet • Enclosure Volume: 1.0 Cubic Ft

MTX Audio Thunderform HR06FB10-T45 (Black, Loaded)

Honda Ridgeline 2006-2010, Loaded 10" 4 ohm Fiberglass Subwoofer Enclosure

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MTX Audio Thunderform HR06FB10-T45 (Black, Loaded)

Honda Ridgeline 2006-2010, Loaded 10" 4 ohm Fiberglass Subwoofer Enclosure

Loaded 10" Subwoofer Enclosure • Fits in Honda Ridgeline 2006-2010 • 450W Max • 225W RMS • Fiberglass Construction • 1.5" Voice Coil • 30oz. Strontium Ferrite Magnet • Enclosure Volume: 0.92 Cubic Ft

No Fit Icon Doesn't fit your A4

1

Loaded 10" Subwoofer Enclosure • Fits in Honda Ridgeline 2006-2010 • 450W Max • 225W RMS • Fiberglass Construction • 1.5" Voice Coil • 30oz. Strontium Ferrite Magnet • Enclosure Volume: 0.92 Cubic Ft

MTX Audio Thunderform C15EX07FB10A-TN (Black, Amplified) Open Box (Complete)

Chevrolet 1500/2500 Extra Cab 2007-2010 Amplified 10" Subwoofer Enclosure

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MTX Audio Thunderform C15EX07FB10A-TN (Black, Amplified) Open Box (Complete)

Chevrolet 1500/2500 Extra Cab 2007-2010 Amplified 10" Subwoofer Enclosure

• Amplified 10" Subwoofer Enclosure
• Fits in Chevrolet 1500/2500 Extended Cab 2007-2010
• 400W Max
• 200W RMS
• Fiberglass Construction
• Built-in BTL Amplifier
• 28oz. Magnet
• Enclosure Volume: 1.0 Cubic Ft

No Fit Icon Doesn't fit your A4

• Amplified 10" Subwoofer Enclosure
• Fits in Chevrolet 1500/2500 Extended Cab 2007-2010
• 400W Max
• 200W RMS
• Fiberglass Construction
• Built-in BTL Amplifier
• 28oz. Magnet
• Enclosure Volume: 1.0 Cubic Ft

MTX Audio Thunderform FMC10ABK-TN (Black, Amplified)

Ford Mustang 1994-2004, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FMC10ABK-TN (Black, Amplified)

Ford Mustang 1994-2004, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Loaded 10" Subwoofer Enclosure
• Fits in Ford Mustang 1994-2004
• 400W Max
• 200W RMS
• Amplified
• Fiberglass Construction
• 280z Magnet Structure

No Fit Icon Doesn't fit your A4

• Loaded 10" Subwoofer Enclosure
• Fits in Ford Mustang 1994-2004
• 400W Max
• 200W RMS
• Amplified
• Fiberglass Construction
• 280z Magnet Structure

MTX Audio Thunderform FSC10AC-TN (Charcoal, Amplified)

Ford F-150 Supercrew 2001-2003, Amplified 10" 4 ohms Loaded Car Specific Thunderform Sub Enclosure

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MTX Audio Thunderform FSC10AC-TN (Charcoal, Amplified)

Ford F-150 Supercrew 2001-2003, Amplified 10" 4 ohms Loaded Car Specific Thunderform Sub Enclosure

• Amplified 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• For 2001-2003 Ford F-150 Supercrew
• Loaded with Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

No Fit Icon Doesn't fit your A4

• Amplified 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure
• For 2001-2003 Ford F-150 Supercrew
• Loaded with Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

MTX Audio Thunderform HC10ABK-TN (Black, Amplified)

Honda Civic 1992-1995, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform HC10ABK-TN (Black, Amplified)

Honda Civic 1992-1995, Amplified 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• Loaded 10" Subwoofer Enclosure
• Fits In Honda Civic 1992-1995
• 400W Max
• 200W RMS
• Amplified
• Enclosure Volume: 0.9 Cubic Ft

No Fit Icon Doesn't fit your A4

• Loaded 10" Subwoofer Enclosure
• Fits In Honda Civic 1992-1995
• 400W Max
• 200W RMS
• Amplified
• Enclosure Volume: 0.9 Cubic Ft

MTX Audio Thunderform JGC10A-TN (Black, Amplified)

Jeep Grand Cherokee 1993-1998, Amplified 10" 4 ohm Loaded Vehicle Specific Thunderform Sub Enclosure

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MTX Audio Thunderform JGC10A-TN (Black, Amplified)

Jeep Grand Cherokee 1993-1998, Amplified 10" 4 ohm Loaded Vehicle Specific Thunderform Sub Enclosure

• Amplified 10" Loaded Vehicle Specific MTX Thunderform Sealed Subwoofer Enclosure
• For Jeep Grand Cherokee 1993-1998
• Loaded with a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

No Fit Icon Doesn't fit your A4

• Amplified 10" Loaded Vehicle Specific MTX Thunderform Sealed Subwoofer Enclosure
• For Jeep Grand Cherokee 1993-1998
• Loaded with a Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

MTX Audio Thunderform NTTNK04C20A-T45 (Charcoal, Amplified)

Nissan Titan King Cab 2004-2008, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform NTTNK04C20A-T45 (Charcoal, Amplified)

Nissan Titan King Cab 2004-2008, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Amplified Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 2004-2008 Nissan Titan King Cab • Loaded with Thunder4500 Subwoofer • 900W Max • 450W RMS • 4 ohm • Carbon Filled Polypropylene Cone

No Fit Icon Doesn't fit your A4

Amplified Dual 10" Loaded Vehicle Specific Thunderform Subwoofer Enclosure • For 2004-2008 Nissan Titan King Cab • Loaded with Thunder4500 Subwoofer • 900W Max • 450W RMS • 4 ohm • Carbon Filled Polypropylene Cone

MTX Audio Thunderform DDXP201A-T45 (Ebony/Black, Amplified)

Dodge Dakota 1997-2004, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform DDXP201A-T45 (Ebony/Black, Amplified)

Dodge Dakota 1997-2004, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure • For 1997-2004 Dodge Dakota Club Cab • Mounts under the rear jump seat • 900W Max • 450W RMS • Built-in 200W Amplifier

No Fit Icon Doesn't fit your A4

Dual 10" Loaded Amplified Thunderform Subwoofer Enclosure • For 1997-2004 Dodge Dakota Club Cab • Mounts under the rear jump seat • 900W Max • 450W RMS • Built-in 200W Amplifier

MTX JWULP07FB10U

Fits Select 2007-2016 Jeep Wrangler Vehicles - 10" Thunderform Subwoofer Enclosure - Charcoal

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MTX JWULP07FB10U

Fits Select 2007-2016 Jeep Wrangler Vehicles - 10" Thunderform Subwoofer Enclosure - Charcoal

• Single 10" Sealed Subwoofer Enclosure
• 10" Sealed Vehicle Specific Enclosure
• Mounting Depth: 5-1/2" • Sealed enclosure with factory finish - Charcoal

No Fit Icon Doesn't fit your A4

• Single 10" Sealed Subwoofer Enclosure
• 10" Sealed Vehicle Specific Enclosure
• Mounting Depth: 5-1/2" • Sealed enclosure with factory finish - Charcoal

MTX Audio Thunderform FEX10-TN (Black, Loaded)

Ford Explorer 1991-2001, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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MTX Audio Thunderform FEX10-TN (Black, Loaded)

Ford Explorer 1991-2001, 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

• 10" Loaded MTX Thunderform Subwoofer Enclosure
• For 1991-2001 Ford Explorer, Mazda Navajo, and Mercury Mountaineer
• Loaded with Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

No Fit Icon Doesn't fit your A4

1

• 10" Loaded MTX Thunderform Subwoofer Enclosure
• For 1991-2001 Ford Explorer, Mazda Navajo, and Mercury Mountaineer
• Loaded with Terminator Series Subwoofer
• 400W Max
• 200W RMS
• 4 ohm

MTX Audio Thunderform C15EX07FB10-TN (Black, Loaded) Open Box (Complete)

Chevrolet 1500/2500 Extra Cab 2007-2010 Loaded 10" 4 ohm Subwoofer Enclosure

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MTX Audio Thunderform C15EX07FB10-TN (Black, Loaded) Open Box (Complete)

Chevrolet 1500/2500 Extra Cab 2007-2010 Loaded 10" 4 ohm Subwoofer Enclosure

• Loaded 10" Subwoofer Enclosure
• Fits in Chevrolet 1500/2500 Extended Cab 2007-2010
• 400W Max
• 200W RMS
• Fiberglass Construction
• 1.5" Voice Coil
• 28oz. Magnet
• Enclosure Volume: 1.0 Cubic Ft

No Fit Icon Doesn't fit your A4

• Loaded 10" Subwoofer Enclosure
• Fits in Chevrolet 1500/2500 Extended Cab 2007-2010
• 400W Max
• 200W RMS
• Fiberglass Construction
• 1.5" Voice Coil
• 28oz. Magnet
• Enclosure Volume: 1.0 Cubic Ft

MTX F250C00BK10A-FPR

Fits Ford F-250/F-350 Super Crew Trucks - Amplified 10" 200W Loaded Thunderform Subwoofer Enclosure - Black

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MTX F250C00BK10A-FPR

Fits Ford F-250/F-350 Super Crew Trucks - Amplified 10" 200W Loaded Thunderform Subwoofer Enclosure - Black

• 200W Single 10" Sealed Subwoofer Enclosure with Built-In Amplifier
• RMS: 200 W Total
• Preloaded with single 10" FPR-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Black

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Universal – fits most vehicles.
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• 200W Single 10" Sealed Subwoofer Enclosure with Built-In Amplifier
• RMS: 200 W Total
• Preloaded with single 10" FPR-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Black

MTX Audio Thunderform F150R04C24A-TN (Charcoal, Amplified) Open Box (Complete)

Ford F-150 Regular Cab 2004-2010, Amplified 2 12" 4 ohms Loaded Car Specific Thunderform Enclosure

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MTX Audio Thunderform F150R04C24A-TN (Charcoal, Amplified) Open Box (Complete)

Ford F-150 Regular Cab 2004-2010, Amplified 2 12" 4 ohms Loaded Car Specific Thunderform Enclosure

• Dual 12" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2004-2008 Ford F-150 Regular Cab
• Loaded with 12" Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm
• Polypropylene Cone

No Fit Icon Doesn't fit your A4

• Dual 12" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2004-2008 Ford F-150 Regular Cab
• Loaded with 12" Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm
• Polypropylene Cone

MTX Audio Thunderform C25HC00C20-T45 (Charcoal, Loaded)-OPEN BOX

Dual Loaded 10" Subwoofer Enclosure for 2000-2006 Chevy 2500HD Crew

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MTX Audio Thunderform C25HC00C20-T45 (Charcoal, Loaded)-OPEN BOX

Dual Loaded 10" Subwoofer Enclosure for 2000-2006 Chevy 2500HD Crew

• Location: Behind Rear Seat, Jack Stays In Factory Location
• Also Fits 2000-2006 Chevy 3500HD Crew Cab
• For Chevy 2000-2006 Full Size Truck Vehicles
• 10" Thunder Series Subwoofer
• 225W Max
• 115W RMS
• Carbon Filled Polypropylene Cone
• 4 Ohm Impedance

No Fit Icon Doesn't fit your A4

• Location: Behind Rear Seat, Jack Stays In Factory Location
• Also Fits 2000-2006 Chevy 3500HD Crew Cab
• For Chevy 2000-2006 Full Size Truck Vehicles
• 10" Thunder Series Subwoofer
• 225W Max
• 115W RMS
• Carbon Filled Polypropylene Cone
• 4 Ohm Impedance

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    FAQ Frequently asked questions in Discontinued MTX Thunderform Boxes

    MTX Thunderform Boxes Frequently Asked Questions (FAQ)
    MTX Thunderform Boxes are custom-fit enclosures for motorcycle speakers. They are designed to be aerodynamic and stealthy, so they do not disrupt the airflow around your motorcycle. They also come with a built-in amplifier, which makes them a great option for riders who want a powerful and easy-to-install audio system.
    There are many benefits to using MTX Thunderform Boxes, including: Aerodynamic design: MTX Thunderform Boxes are designed to be aerodynamic, so they do not disrupt the airflow around your motorcycle. This can improve fuel economy and make your motorcycle more stable at high speeds. Stealthy design: MTX Thunderform Boxes are designed to be stealthy, so they do not look like they are there. This can make your motorcycle look more streamlined and can help to prevent theft. Integrated amplifier: MTX Thunderform Boxes come with a built-in amplifier, which makes them a great option for riders who want a powerful and easy-to-install audio system. High-quality speakers: MTX Thunderform Boxes come with high-quality speakers that produce excellent sound quality. Durable construction: MTX Thunderform Boxes are made from durable materials that can withstand the elements. Easy installation: MTX Thunderform Boxes are designed to be easy to install. Most models can be installed in minutes using the included hardware.
    There are a few factors to consider when choosing an MTX Thunderform Box, including: The type of motorcycle you have: MTX Thunderform Boxes are made for specific models of motorcycles. Make sure to choose an enclosure that is made for your motorcycle. The type of music you listen to: If you listen to a lot of bass-heavy music, you will need an enclosure with a subwoofer. Your budget: MTX Thunderform Boxes range in price from a few hundred dollars to a few thousand dollars. It is important to set a budget before you start shopping. The warranty: Make sure the enclosure you choose comes with a good warranty. This will protect you in case something goes wrong.
    Installing an MTX Thunderform Box is a relatively simple process, but it is important to follow the manufacturer's instructions carefully. Here are the basic steps involved in installing an MTX Thunderform Box: 1. Choose a location for the enclosure. The enclosure should be located in a place where it is not likely to be damaged by wind or rain. 2. Secure the enclosure in place. The enclosure should be secured in place to prevent it from moving around. 3. Connect the speakers to the enclosure. The speakers should be connected to the enclosure using speaker wire. 4. Connect the enclosure to the motorcycle's electrical system. The enclosure should be connected to the motorcycle's electrical system using a wiring kit. 5. Test the system. Once the system is installed, test it to make sure it is working properly.
    MTX Thunderform Boxes are available at a variety of retailers, including motorcycle audio stores, electronics stores, and online retailers. When choosing a retailer, it is important to make sure that they offer a wide selection of products and that they have a good reputation for customer service.
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