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  3. MB Quart Car Audio & Electronics
  4. MB Quart Car Subwoofers
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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.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
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.

Minimum Sealed Box Volume
This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Maximum Sealed Box Volume
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
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".
Main Cone Color
This is the color of the speaker's or subwoofer's cone.
Recommended Enclosure Type
This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

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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MB Quart RW1-204

1200W Peak (600W RMS) 8" Reference Series Dual 4-ohm Car Subwoofer

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MB Quart RW1-204

1200W Peak (600W RMS) 8" Reference Series Dual 4-ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper Cone
• Treated Double Stitched Foam Surround
• Mount depth: 5.66"
• Sensitivity: 80 dB

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• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper Cone
• Treated Double Stitched Foam Surround
• Mount depth: 5.66"
• Sensitivity: 80 dB

MB Quart MBQJT-SUBA-1

400W Tuned Dual Subwoofers System for select 2020-2025 Jeep Gladiator

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MB Quart MBQJT-SUBA-1

400W Tuned Dual Subwoofers System for select 2020-2025 Jeep Gladiator

• 400 Watt Jeep® Gladiator (JT) Tuned Dual Subwoofers System
• 8" Series Subwoofer(s)
• NA2 Series Class D amplifier included
• High Density Polyethylene (HDPE) custom-fit enclosure
• Enclosure Dimensions: 23.42" L x 16.06" W x 15.35" H

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MB Quart NPW-254

600W Peak (300W RMS) 10" Nautic Series Single 4-ohm Marine Subwoofer with 3-Grill Options

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MB Quart NPW-254

600W Peak (300W RMS) 10" Nautic Series Single 4-ohm Marine Subwoofer with 3-Grill Options

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Butyl Rubber Surround
• Mount depth: 2.83"
• Sensitivity: 82 dB

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

Was $219.99 Details
$199.99

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MB Quart MBQJL-SUBR-1

10" Subwoofer Upgrade System with Monoblock Amplifier for 2018-Up Jeep Wrangler JL

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MB Quart MBQJL-SUBR-1

10" Subwoofer Upgrade System with Monoblock Amplifier for 2018-Up Jeep Wrangler JL

• Includes 10" application-specific subwoofer
• 200 Watts RMS x 1 @ 4 ohm
• 400 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 400 Watts
• Marine and Powersports Certified
• Built-In Low-Pass and Subsonic Filters

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• Includes 10" application-specific subwoofer
• 200 Watts RMS x 1 @ 4 ohm
• 400 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 400 Watts
• Marine and Powersports Certified
• Built-In Low-Pass and Subsonic Filters

MB Quart MBQJT-SUB-1

Custom underseat enclosure with two 8" subs fits select 2020-2025 Jeep Gladiator

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MB Quart MBQJT-SUB-1

Custom underseat enclosure with two 8" subs fits select 2020-2025 Jeep Gladiator

• 400 Watt Jeep® Gladiator (JT) Tuned Dual Subwoofers System
• 8" Series Subwoofer(s)
• High Density Polyethylene (HDPE) custom-fit enclosure
• Enclosure Dimensions: 23.42" L x 16.06" W x 15.35" H

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MB Quart DS2-204

500W Peak (250W RMS) 8" Discus Series Dual 4-ohm Shallow Subwoofer

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MB Quart DS2-204

500W Peak (250W RMS) 8" Discus Series Dual 4-ohm Shallow Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Woven Carbon Fiber Cone
• UV Treated Foam Surround
• Mount depth: 2.63"
• Sensitivity: 80 dB

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• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Woven Carbon Fiber Cone
• UV Treated Foam Surround
• Mount depth: 2.63"
• Sensitivity: 80 dB

MB Quart MBQJL-302

Custom fit Loaded 12" Tailgate panel subwoofer enclosure for select 2018-up Jeep Wrangler JL vehicles

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MB Quart MBQJL-302

Custom fit Loaded 12" Tailgate panel subwoofer enclosure for select 2018-up Jeep Wrangler JL vehicles

• Ported enclosure with 1 12" MB Series Subwoofer
• Final Impedance: 2-ohm
• Dimensions: 10" L x 17" H x 35" W
• IPX5 certified

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• Ported enclosure with 1 12" MB Series Subwoofer
• Final Impedance: 2-ohm
• Dimensions: 10" L x 17" H x 35" W
• IPX5 certified

MB Quart DS2-304

600W Peak (300W RMS) 12" Discus Series Dual 4-ohm Shallow Subwoofer

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MB Quart DS2-304

600W Peak (300W RMS) 12" Discus Series Dual 4-ohm Shallow Subwoofer

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 4 ohm
• Woven Carbon Fiber Cone
• UV Treated Foam Surround
• Mount depth: 3.17"
• Sensitivity: 85 dB

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• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 4 ohm
• Woven Carbon Fiber Cone
• UV Treated Foam Surround
• Mount depth: 3.17"
• Sensitivity: 85 dB

MB Quart RW1-304

2000W Peak (1000W RMS) 12" Reference Series Dual 4-ohm Car Subwoofer

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MB Quart RW1-304

2000W Peak (1000W RMS) 12" Reference Series Dual 4-ohm Car Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper cone
• Treated Double Stitched Foam surround
• Mount depth: 7.32"
• Sensitivity: 85.3 dB

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

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MB Quart RW1-254

1600W Peak (800W RMS) 10" Reference Series Dual 4-Ohm Car Subwoofer

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MB Quart RW1-254

1600W Peak (800W RMS) 10" Reference Series Dual 4-Ohm Car Subwoofer

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper cone
• Treated Double Stitched Foam surround
• Mount depth:
• Sensitivity: 83.3 dB

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    All About

    MB Quart Car Subwoofers
    MB Quart offers subwoofers for nearly any situation and budget. An MB Quart car subwoofers are a compact yet effective way to add heart-pounding bass to any car. The compact design of the MB Quart Reference low profile subwoofers doesn't stop them from playing deep, rich bass without hurting your wallet.

    The Reference series offers deep bass response thanks to the strong thermal formed polypropylene cone. The Reference series subwoofers are capable of delivering up to 700 watts of hard hitting sound and feature easy installation spring loaded terminals. The Reference subwoofers are designed with maximum excursion in mind.

    MB Quart subwoofers are available in 8", 10" and 12" dual 2 and 4 ohm designs and are a perfect fit for most vehicles. So what are you waiting for? Pick up an MB Quart Car Subwoofer today!
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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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