Garage
Shop

Discontinued MB Quart 8" Car Subwoofers

MB Quart 8" car subwoofers will provide your vehicle with the bass and lows that you desire.

Loading...
Filters

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

MB Quart DS1-204

400W 8" Discus Series Dual 4-ohm Shallow Mount Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

400W 8" Discus Series Dual 4-ohm Shallow Mount Car Subwoofer

• 200W RMS
• Top-mount depth: 2.80"
• Polypropylene cone and dust cap
• UV Rubber surround
• 2" Dual Voice Coil
• Stamp-cast deep drawn steel basket
• Durable heavy textured powder coat

• 200W RMS
• Top-mount depth: 2.80"
• 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 MS1-204

400W 8" Shallow Mount Dual 4-Ohm M-Line Series Car Shallow Mount Subwoofer

Go to item page Right Arrow Icon of Right Arrow

400W 8" Shallow Mount Dual 4-Ohm M-Line Series Car Shallow Mount Subwoofer

• 200W RMS
• 400W Max
• Thermal formed PP Cone & Dust Cap
• UV Rubber Surround
• Stamp-Cast Deep Drawn Steel Basket
• 2" Copper Voice Coils
• Top-mount depth: 2.80"

• 200W RMS
• 400W Max
• Thermal formed PP Cone & Dust Cap
• UV Rubber Surround
• Stamp-Cast Deep Drawn Steel Basket
• 2" Copper Voice Coils
• Top-mount depth: 2.80"

MB Quart RLP204

200W 8" Reference Series Low-Profile Dual 4 ohm Subwoofer

Go to item page Right Arrow Icon of Right Arrow

200W 8" Reference Series Low-Profile Dual 4 ohm Subwoofer

• 400W Peak
• 200W RMS
• Shallow Mount
• Dual 4 Ohm
• Injection Molded Polypropylene Cone
• NBR Rubber Surround
• Recommended for Sealed Enclosures

• 400W Peak
• 200W RMS
• Shallow Mount
• Dual 4 Ohm
• Injection Molded Polypropylene Cone
• NBR Rubber Surround
• Recommended for Sealed Enclosures

MB Quart RWE 204

Reference Series 8" Dual 4 ohms Subwoofer RWE204

Go to item page Right Arrow Icon of Right Arrow

Reference Series 8" Dual 4 ohms Subwoofer RWE204

8" Reference Series Subwoofer • RMS Power Handling: 150 watts • Dual 4 Ohm Impedance

8" Reference Series Subwoofer • RMS Power Handling: 150 watts • Dual 4 Ohm Impedance

MB Quart RWE 202

Reference Series 8" RWE202

Go to item page Right Arrow Icon of Right Arrow

Reference Series 8" RWE202

8" Reference Series Subwoofer • RMS Power Handling: 150 watts • Dual 4 Ohm Impedance

8" Reference Series Subwoofer • RMS Power Handling: 150 watts • Dual 4 Ohm Impedance

MB Quart MBPS8152

450W 8” Onyx Series Shallow Powered Subwoofer

Go to item page Right Arrow Icon of Right Arrow

450W 8” Onyx Series Shallow Powered Subwoofer

• 8" Onyx Series Low Profile Subwoofer System
• Peak Power: 450 Watts
• Built-In Class AB Amplifier
• Woven Fiber Glass Woofer Cone
• Dimensions: 9.6"W x 13.5"L x 2.7"H

• 8" Onyx Series Low Profile Subwoofer System
• Peak Power: 450 Watts
• Built-In Class AB Amplifier
• Woven Fiber Glass Woofer Cone
• Dimensions: 9.6"W x 13.5"L x 2.7"H

4) MB Quart DS1-204 400 Watt 8 Inch Shallow Slim Subs DVC Car Subwoofers Four

400W 8" Discus Series Dual 4-ohm Shallow Mount Car Subwoofer Package

Go to item page Right Arrow Icon of Right Arrow

400W 8" Discus Series Dual 4-ohm Shallow Mount Car Subwoofer Package

• 200W RMS
• Top-mount depth: 2.80"
• Polypropylene cone and dust cap
• UV Rubber surround
• 2" Dual Voice Coil
• Stamp-cast deep drawn steel basket
• Durable heavy textured powder coat

• 200W RMS
• Top-mount depth: 2.80"
• 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 DS1-204 Like New!

400W 8" Discus Series Dual 4-ohm Shallow Mount Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

400W 8" Discus Series Dual 4-ohm Shallow Mount Car Subwoofer

• 200W RMS
• Top-mount depth: 2.80"
• Polypropylene cone and dust cap
• UV Rubber surround
• 2" Dual Voice Coil
• Stamp-cast deep drawn steel basket
• Durable heavy textured powder coat

• 200W RMS
• Top-mount depth: 2.80"
• Polypropylene cone and dust cap
• UV Rubber surround
• 2" Dual Voice Coil
• Stamp-cast deep drawn steel basket
• Durable heavy textured powder coat

(2) MB Quart DS1-204

Two 400W 8" Discus Series Dual 4 Ohm Shallow Mount Car Subwoofers

Go to item page Right Arrow Icon of Right Arrow

Two 400W 8" Discus Series Dual 4 Ohm Shallow Mount Car Subwoofers

• 200W RMS Each
• Top-mount depth: 2.80"
• Polypropylene cone and dust cap
• UV Rubber surround
• 2" Dual Voice Coil
• Stamp-cast deep drawn steel basket
• Durable heavy textured powder coat

• 200W RMS Each
• Top-mount depth: 2.80"
• Polypropylene cone and dust cap
• UV Rubber surround
• 2" Dual Voice Coil
• Stamp-cast deep drawn steel basket
• Durable heavy textured powder coat

    Clear all

    MB Quart 8" Car Subwoofers Information

    MB Quart carries a range of 8" 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 8" MB Quart subs are an easy choice.
    why-shoping-with-sonic

    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!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2007 Mazda B3000

    2011 Hyundai Veracruz

    2014 Ford Taurus

    2008 Audi TT

    2011 Audi A5

    2012 Chevrolet Silverado 2500 HD

    2007 MINI Cooper

    2016 Mazda CX-9

    2012 Ford Transit Connect

    2016 Buick Envision

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

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

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.