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MTX Audio TNP212D2 Subwoofer & Amplifier Package

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

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 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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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 F-150EX-09A

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

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250W RMS Loaded Single 10" Amplified Sealed Enclosure for select 2009-2015 Ford 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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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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• 800W Peak
• Polymer coated pulp cone
• Foam surround
• 4 Ohm
• Magna Bass Mono Amplifier
• 5/8" MDF construction

MTX Audio Thunderform JWTJ97C20-TN (Charcoal, Loaded)

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

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Dual 10" Loaded Thunderform Subwoofer Enclosure for 1997-2006 Jeep Wrangler, 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 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 ohm
• Polypropylene Cone

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$779.95

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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 ohm

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MTX Audio Thunderform F250X00C20-TN (Charcoal, Loaded)

select 2000-2014 Ford F-250 Super Duty Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

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select 2000-2014 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 ohm
• Polypropylene Cone

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$599.95

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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

MTX Audio Thunderform F150C04BK12-TN (Black, Loaded)

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

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12" Loaded Sub Enclosure Custom-Fit for select 2004-2008 Ford 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 F250X00C20A-TN

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

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

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Hertz MPBX 300 S2

1000 Peak (500 RMS) 12" S2 Series Single 2 ohms Subwoofer Loaded Enclosure

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1000 Peak (500 RMS) 12" S2 Series Single 2 ohms Subwoofer Loaded Enclosure

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Single 2 ohm
• Polypropylene Cone
• Rubber Surround

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Hertz DST 30.3B

1000W Peak (250W RMS) Loaded Single 12" Vented Tube Enclosure

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1000W Peak (250W RMS) Loaded Single 12" Vented Tube Enclosure

• Ported enclosure with 1 12" DST Series Subwoofer
• 250 watts RMS (1000 watts Peak)
• Final Impedance: 4-ohm
• Dimensions: 26" L x 26" W

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Hertz DBX 25.3

600W Peak (150W RMS) Loaded Single 10" Sealed Enclosure

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600W Peak (150W RMS) Loaded Single 10" Sealed Enclosure

• Sealed enclosure with 1 10" DBX Series Subwoofer
• 150 watts RMS (600 watts Peak)
• Final Impedance: 4-ohm
• Dimensions: 17.4" L x 11.7" H x 8.9" W

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MTX F-150C-09A

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

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250W RMS Loaded Single 10" Amplified Sealed Enclosure for select 2009-2015 Ford 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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MTX C1500EX-07A

250W RMS Loaded Single 10" Amplified Sealed Enclosure for select 2007-2015 vehicles from Chevrolet, GMC

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250W RMS Loaded Single 10" Amplified Sealed Enclosure for select 2007-2015 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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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 Ohm

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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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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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    FAQ Frequently asked questions in Car Subwoofer Boxes


    A car subwoofer box is a enclosure that houses a subwoofer speaker. The box is designed to resonate at a specific frequency, which enhances the bass response of the subwoofer.
    There are three main types of car subwoofer boxes: sealed boxes, ported boxes, and bandpass boxes. Sealed boxes are the simplest type of subwoofer box. They are sealed off from the outside air, which creates a more accurate bass response. Ported boxes have a port that allows air to flow in and out of the box. This creates a more powerful bass response, but it can also make the box more susceptible to vibrations. Bandpass boxes are a hybrid of sealed and ported boxes. They have a port that is tuned to a specific frequency range. This creates a bass response that is tailored to a specific type of music.
    There are a few factors to consider when choosing a car subwoofer box, including:
    1. The type of subwoofer you have: The size and power of your subwoofer will determine the size and type of box you need.
    2. The type of music you listen to: If you listen to a lot of bass-heavy music, you will need a ported or bandpass box. If you listen to a variety of music, a sealed box may be a better option.
    3. The size of your car: The size of your car will determine the size of the box you can fit.
    4. Your budget: Car subwoofer boxes can range in price from a few dollars to a few hundred dollars. It is important to set a budget before you start shopping.
    Installing a car subwoofer box can be a relatively simple process, but it is important to follow the manufacturer's instructions carefully. Here are the basic steps involved in installing a car subwoofer box:
    1. Choose a location for the box. The box should be located in a place where it will not vibrate or rattle.
    2. Secure the box in place. The box should be secured in place to prevent it from moving around.
    3. Connect the subwoofer to the box. The subwoofer should be connected to the box using speaker wires.
    4. Connect the box to the car stereo. The box should be connected to the car stereo using speaker wires.
    5. Test the system. Once the system is installed, test it to make sure it is working properly.
    Car subwoofer boxes are available at a variety of retailers, including car 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.

    All About

    Car Subwoofer Boxes
    Car Subwoofer Enclosure & Car Sub Box Information: It is often overlooked, but every great car audio system features a subwoofer enclosure purposely selected to maximize subwoofer performance. It may surprise you to learn that a sub box can make or break the perfect setup. We have a wide variety of professionally constructed sub boxes, built for your convenience and designed to perfectly complement your personalized system. We advise you to choose a sealed, ported or bandpass box based on your car subwoofer specifications and available vehicle space.

    Looking for a way to improve the bass in your car audio system? Car subwoofer boxes are the perfect way to do it! With the right subwoofer box, you can add deep, rich bass to your music that will make your car feel like a concert hall.

    Car subwoofer boxes are enclosures that are specifically designed to house subwoofers. They come in a variety of shapes, sizes, and materials, and they can be custom-made to fit your specific vehicle.

    Advantages of Car Subwoofer Boxes

    There are many advantages to installing a subwoofer box in your vehicle. Here are just a few:

    Improved bass response: Subwoofer boxes can improve the bass response of your car audio system by providing a controlled environment for the subwoofer to operate in. This results in deeper, richer bass that will make your music sound amazing.

    Increased volume: Subwoofer boxes can also increase the volume of your car audio system. This is because they can better dissipate heat, which allows the subwoofer to play louder for longer periods of time.

    Customization: Subwoofer boxes can be customized to match your specific needs and preferences. You can choose a box that is the right size for your vehicle, the right shape for your subwoofer, and the right material for your budget.

    Sonic Electronix is here to help you find the best car subwoofer box for your vehicle. We offer a wide selection of boxes from the top brands in the industry, and our staff is knowledgeable and experienced. We can help you choose the right box for your needs and budget, and we can also install it for you.

    If you're looking for the best car subwoofer box, don't hesitate to contact Sonic Electronix. We're here to help you create the perfect sound system for your vehicle.

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    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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