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  1. Home
  2. MB Quart Store
  3. Discontinued MB Quart Car Audio & Electronics
  4. Discontinued MB Quart Car Subwoofers
  5. Discontinued MB Quart 12" Car Subwoofers

Discontinued MB Quart 12" Car Subwoofers for your 2013 Sorento close

For deep, resounding bass, choose MB Quart 12" Car Subwoofers, a sound enthusiast's dream.

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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.
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.

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 PWH 304

12" Dual 4 ohms Premium Series Subwoofer (PWH304)

PWH-304 big DISCONTINUED
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MB Quart PWH 304

12" Dual 4 ohms Premium Series Subwoofer (PWH304)

12" Premium Series Dual 4 ohm Subwoofer • 1000W Max • 500W RMS • Injection polypropylene cone woofer • 1" Wide rubber surround • Single flat Conex spider with woven tinsel leads • 3" Voice coil on glass fiber former with aluminum reinforcement on neck

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1

12" Premium Series Dual 4 ohm Subwoofer • 1000W Max • 500W RMS • Injection polypropylene cone woofer • 1" Wide rubber surround • Single flat Conex spider with woven tinsel leads • 3" Voice coil on glass fiber former with aluminum reinforcement on neck

MB Quart ONX302

12" Dual 2 ohm ONYX Series Car Subwoofer

ONX302 big DISCONTINUED
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MB Quart ONX302

12" Dual 2 ohm ONYX Series Car Subwoofer

12" ONYX Series Subwoofer • Dual 2 ohm • 800W Max • 400W RMS • Gloss Black Polypropylene Cone • NBR Surround • Spider Woven Tinsel Leads • Illuminated Dust Cap

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4

12" ONYX Series Subwoofer • Dual 2 ohm • 800W Max • 400W RMS • Gloss Black Polypropylene Cone • NBR Surround • Spider Woven Tinsel Leads • Illuminated Dust Cap

MB Quart PS1-304

200W 12" Performance Series Dual 4 Ohm Subwoofer

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MB Quart PS1-304

200W 12" Performance Series Dual 4 Ohm Subwoofer

• 400W Peak
• 200W RMS
• Two Piece Polypropylene Cone
• Nitrile Butadiene Rubber

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• 400W Peak
• 200W RMS
• Two Piece Polypropylene Cone
• Nitrile Butadiene Rubber

MB Quart PS3-302

300W 12" PS3 Series Dual 2 ohm Subwoofer

PS3-302 big DISCONTINUED
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MB Quart PS3-302

300W 12" PS3 Series Dual 2 ohm Subwoofer

• 600W Peak
• 300W RMS
• One Piece Polypropylene Cone
• Nitrile Butadiene Rubber Surround

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1

• 600W Peak
• 300W RMS
• One Piece Polypropylene Cone
• Nitrile Butadiene Rubber Surround

MB Quart DWI 302

12" Dual 2 ohm Discus Series Subwoofer (DWI302)

DWI-302 big DISCONTINUED
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MB Quart DWI 302

12" Dual 2 ohm Discus Series Subwoofer (DWI302)

12" Dual 2 Ohm Discus Series Subwoofer • 600W Max • 300W RMS • Polypropylene cone woofer • Rubber surround • Custom nickel plated push type terminal • Single flat poly-cotton spider with woven tinsel lead wire • 2" Voice coil with aluminum reinforcement

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12" Dual 2 Ohm Discus Series Subwoofer • 600W Max • 300W RMS • Polypropylene cone woofer • Rubber surround • Custom nickel plated push type terminal • Single flat poly-cotton spider with woven tinsel lead wire • 2" Voice coil with aluminum reinforcement

(2) MB Quart DS1-304 12" 800W Shallow Mount Car/Truck Subwoofers + 2" Voice Coil

400W 12" Discus Series Dual 4-ohm Shallow Mount Car Subwoofer Package

DS1-304 2 Pack big DISCONTINUED
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(2) MB Quart DS1-304 12" 800W Shallow Mount Car/Truck Subwoofers + 2" Voice Coil

400W 12" Discus Series Dual 4-ohm Shallow Mount Car Subwoofer Package

• 200W RMS
• Top-mount depth: 3.07"
• Polypropylene cone and dust cap
• UV Rubber surround
• 2" Dual Voice Coil
• Stamp-cast deep drawn steel basket
• Durable heavy textured powder coat

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• 200W RMS
• Top-mount depth: 3.07"
• Polypropylene cone and dust cap
• UV Rubber surround
• 2" Dual Voice Coil
• Stamp-cast deep drawn steel basket
• Durable heavy textured powder coat

MB Quart RWM304 Open Box Complete

350W 12" Reference Series Dual 4 Ohm Subwoofer

RWM304 big DISCONTINUED
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MB Quart RWM304 Open Box Complete

350W 12" Reference Series Dual 4 Ohm Subwoofer

• Open Box Complete
• 700W Peak
• 350W RMS
• Thermal Formed Polypropylene Cone
• Heavy Duty Textured Powder Coat Finish
• Spring Loaded Terminals
• 2" High Temperature Aluminum Voice Coil

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• Open Box Complete
• 700W Peak
• 350W RMS
• Thermal Formed Polypropylene Cone
• Heavy Duty Textured Powder Coat Finish
• Spring Loaded Terminals
• 2" High Temperature Aluminum Voice Coil

MB Quart FWA 304S

12" Single 4 ohms Formula Series Subwoofer

FWA304S big DISCONTINUED
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MB Quart FWA 304S

12" Single 4 ohms Formula Series Subwoofer

12" Formula Series Subwoofer • 600 Watts Peak • 300 Watts RMS • Single 4 Ohm • Ultra-Rigid Pressed Pulp Cone • High-Excursion Rubber Surround • Woven Spider Tinsel-Leads • High-Energy, Impact Resistant Magnet

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12" Formula Series Subwoofer • 600 Watts Peak • 300 Watts RMS • Single 4 Ohm • Ultra-Rigid Pressed Pulp Cone • High-Excursion Rubber Surround • Woven Spider Tinsel-Leads • High-Energy, Impact Resistant Magnet

EXCLUSIVE

MB Quart ONX304 Subwoofer Pair Combo

Pair of 12" Dual 4 ohm ONYX Series Car Subwoofers

ONX304-PAIR big DISCONTINUED
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MB Quart ONX304 Subwoofer Pair Combo

Pair of 12" Dual 4 ohm ONYX Series Car Subwoofers

Pair of 12" ONYX Series Subwoofer • Dual 4 ohm • 800W Max • 800W RMS • Gloss Black Polypropylene Cone • NBR Surround • Spider Woven Tinsel Leads • Illuminated Dust Cap

Universal Icon Universal – fits most vehicles.

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1

Pair of 12" ONYX Series Subwoofer • Dual 4 ohm • 800W Max • 800W RMS • Gloss Black Polypropylene Cone • NBR Surround • Spider Woven Tinsel Leads • Illuminated Dust Cap

MB Quart PS3-304

300W 12" PS3 Series Dual 4 ohm Subwoofer

PS3-304 big DISCONTINUED
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MB Quart PS3-304

300W 12" PS3 Series Dual 4 ohm Subwoofer

• 600W Peak
• 300W RMS
• One Piece Polypropylene Cone
• Nitrile Butadiene Rubber Surround

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1

• 600W Peak
• 300W RMS
• One Piece Polypropylene Cone
• Nitrile Butadiene Rubber Surround

MB Quart DWF 304

Discus Series 12" Dual 4 Ohms Subwoofer DWF304

DWF-304 big DISCONTINUED
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MB Quart DWF 304

Discus Series 12" Dual 4 Ohms Subwoofer DWF304

12" Discus Series Subwoofer • 400W RMS • Dual 4 Ohm • Polypropylene Diaphragm • Inverted Rubber Surround • Cast Alloy Basket • Kapton Voice Coil Former

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1

12" Discus Series Subwoofer • 400W RMS • Dual 4 Ohm • Polypropylene Diaphragm • Inverted Rubber Surround • Cast Alloy Basket • Kapton Voice Coil Former

MB Quart PWE 304 12" Premium Series

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MB Quart PWE 304 12" Premium Series

12" Premium Series Subwoofer • 600W RMS • Dual 4 Ohm • Cast Alloy Basket • Treated Paper Cone with Parabolic Dustcap

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1

12" Premium Series Subwoofer • 600W RMS • Dual 4 Ohm • Cast Alloy Basket • Treated Paper Cone with Parabolic Dustcap

MB Quart Discus DWH 304

12" Dual 4 ohms Discus Series Subwoofer DWH304

DWH-304 big DISCONTINUED
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MB Quart Discus DWH 304

12" Dual 4 ohms Discus Series Subwoofer DWH304

12" Dual 4 Ohm Discus Series Subwoofer • 600W Max • 300W RMS • Injection molded polypropylene cone woofer • Nitrile butadiene rubber (NBR) surround • Finite element analysis linear flux saturated magnetic plates with chrome finish • 50oz. Ferrite magnet

Universal Icon Universal – fits most vehicles.

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1

12" Dual 4 Ohm Discus Series Subwoofer • 600W Max • 300W RMS • Injection molded polypropylene cone woofer • Nitrile butadiene rubber (NBR) surround • Finite element analysis linear flux saturated magnetic plates with chrome finish • 50oz. Ferrite magnet

MB Quart PWH 302

12" Dual 2 ohm Premium Series Subwoofer (PWH302)

PWH-302 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

MB Quart PWH 302

12" Dual 2 ohm Premium Series Subwoofer (PWH302)

12" Premium Series Dual 2 ohm Subwoofer • 1000W Max • 500W RMS • Injection polypropylene cone woofer • 1" Wide rubber surround • Single flat Conex spider with woven tinsel leads • 3" Voice coil on glass fiber former with aluminum reinforcement on neck

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1

12" Premium Series Dual 2 ohm Subwoofer • 1000W Max • 500W RMS • Injection polypropylene cone woofer • 1" Wide rubber surround • Single flat Conex spider with woven tinsel leads • 3" Voice coil on glass fiber former with aluminum reinforcement on neck

MB Quart PWE 302

PWE-302 big DISCONTINUED
Go to item page Right Arrow Icon of Right Arrow

MB Quart PWE 302

12" Premium Series Subwoofer • 600W RMS • Dual 2 Ohm • Cast Alloy Basket • Treated Paper Cone with Parabolic Dustcap

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

12" Premium Series Subwoofer • 600W RMS • Dual 2 Ohm • Cast Alloy Basket • Treated Paper Cone with Parabolic Dustcap

EXCLUSIVE

MB Quart RLP-304 Subwoofer Pair Combo

Pair of 12" Dual 4 ohm Low Profile Reference Series Car Subwoofers

RLP-304-PAIR big DISCONTINUED
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MB Quart RLP-304 Subwoofer Pair Combo

Pair of 12" Dual 4 ohm Low Profile Reference Series Car Subwoofers

• 1200W Peak
• 600W RMS
• Injection Molded Polypropylene Cone
• Foam Surround
• Recommended for Sealed Enclosures

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17

• 1200W Peak
• 600W RMS
• Injection Molded Polypropylene Cone
• Foam Surround
• Recommended for Sealed Enclosures

MB Quart RWM302

350W 12" Reference Series Dual 2 Ohm Subwoofer

RWM302 big DISCONTINUED
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MB Quart RWM302

350W 12" Reference Series Dual 2 Ohm Subwoofer

• 700W Max
• 350W RMS
• Thermal Formed Polypropylene Cone
• Heavy Duty Deep Drawn Stamped Steel Basket
• Butyl Rubber Surround
• Dual Mirror Image Treated Spider Design
• Heat-Dispersing Vented Pole Plate

Universal Icon Universal – fits most vehicles.

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1

• 700W Max
• 350W RMS
• Thermal Formed Polypropylene Cone
• Heavy Duty Deep Drawn Stamped Steel Basket
• Butyl Rubber Surround
• Dual Mirror Image Treated Spider Design
• Heat-Dispersing Vented Pole Plate

MB Quart MS1-304 Open Box Complete

600W 12" Dual 4-Ohm M-Line Series Shallow Mount Car Subwoofer

MS1-304 big DISCONTINUED
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MB Quart MS1-304 Open Box Complete

600W 12" Dual 4-Ohm M-Line Series Shallow Mount Car Subwoofer

• Open Box Complete
• 300W RMS
• 600W Max
• Thermal formed PP Cone & Dust Cap
• UV Rubber Surround
• Stamp-Cast Deep Drawn Steel Basket
• 3" Copper Voice Coils
• Top-mount depth: 3"

Universal Icon Universal – fits most vehicles.

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• Open Box Complete
• 300W RMS
• 600W Max
• Thermal formed PP Cone & Dust Cap
• UV Rubber Surround
• Stamp-Cast Deep Drawn Steel Basket
• 3" Copper Voice Coils
• Top-mount depth: 3"

MB Quart DWG 304

12" Discus Series Subwoofer DWG304

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MB Quart DWG 304

12" Discus Series Subwoofer DWG304

12" Discus Series Subwoofer • polypropylene-cone • 350 watts RMS • Rubber Surround • Frequency Response: 20-300 Hz • Sensitivity: 90 dB

Universal Icon Universal – fits most vehicles.

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12" Discus Series Subwoofer • polypropylene-cone • 350 watts RMS • Rubber Surround • Frequency Response: 20-300 Hz • Sensitivity: 90 dB

EXCLUSIVE

MB Quart ONX302 Subwoofer Pair Combo

Pair of 12" Dual 2 ohm ONYX Series Car Subwoofers

ONX302-PAIR big DISCONTINUED
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MB Quart ONX302 Subwoofer Pair Combo

Pair of 12" Dual 2 ohm ONYX Series Car Subwoofers

Pair of 12" ONYX Series Subwoofer • Dual 2 ohm • 800W Max • 800W RMS • Gloss Black Polypropylene Cone • NBR Surround • Spider Woven Tinsel Leads • Illuminated Dust Cap

Universal Icon Universal – fits most vehicles.

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Pair of 12" ONYX Series Subwoofer • Dual 2 ohm • 800W Max • 800W RMS • Gloss Black Polypropylene Cone • NBR Surround • Spider Woven Tinsel Leads • Illuminated Dust Cap

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    MB Quart 12" Car Subwoofers Information

    MB Quart carries a range of 12" car subwoofers for the bass you've been looking for. MB Quart engineers competition grade subwoofers that will both satisfy and last. Great for subwoofer boxes and other installations, these 12" MB Quart subs are an easy choice.
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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.
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