Garage
Shop

Discontinued All MB Quart Car Amplifiers

Enjoy the full spectrum of powerful sound with MB Quart's range of All Car Amplifiers.

Loading...
Filters

Shop the Category

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

MB Quart XA1-1500.1D

1500W Monoblock X-Line Series Class D Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W Monoblock X-Line Series Class D Amplifier

• RMS: 325W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 300 Hz

• RMS: 325W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 300 Hz

MB Quart OA1050.1D

1000W Mono Block Onyx Series Class D Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W Mono Block Onyx Series Class D Amplifier

• RMS: 475W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Fluid-Fets MOSFET Power Supply
• Q-Stasis Pre-Amplifier Stage
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 9.5"W x 11.26"L x 2.34"H

• RMS: 475W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Fluid-Fets MOSFET Power Supply
• Q-Stasis Pre-Amplifier Stage
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 9.5"W x 11.26"L x 2.34"H

MB Quart ZA2-1500.5 w/ Universal Bluetooth Controller Knob

1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Universal Bluetooth Playback Controller Knob

Go to item page Right Arrow Icon of Right Arrow

1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Universal Bluetooth Playback Controller Knob

• 60 Watts Peak x 4, 350 watts x 1 @ 4 ohm
• 100 watts x 4 chan., 750 watts x 1 chan @ 2 ohm
•1 ohm: 1,000 watts x 1 chan. only @ 1 ohm
• Total Peak Power: 1,400 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

• 60 Watts Peak x 4, 350 watts x 1 @ 4 ohm
• 100 watts x 4 chan., 750 watts x 1 chan @ 2 ohm
•1 ohm: 1,000 watts x 1 chan. only @ 1 ohm
• Total Peak Power: 1,400 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

MB Quart ONX4.125 (Factory Refurbished)

1000W RMS ONYX Series 4-Channel Amplifier (ONX-4.125)

Go to item page Right Arrow Icon of Right Arrow

1000W RMS ONYX Series 4-Channel Amplifier (ONX-4.125)

• ONYX Series 4-Channel Class A/B Car Amplifier
• 250W x 4 Chan @ 2 Ohm
• 125W x 4 Chan @ 4 Ohm
• Unbalanced RCA Input Jack
• Preamp RCA Outputs
• 4-Way System Protection Circuitry
• Piano Black Gloss Finish

• ONYX Series 4-Channel Class A/B Car Amplifier
• 250W x 4 Chan @ 2 Ohm
• 125W x 4 Chan @ 4 Ohm
• Unbalanced RCA Input Jack
• Preamp RCA Outputs
• 4-Way System Protection Circuitry
• Piano Black Gloss Finish

MB Quart ZA1-1000.1

1000W Monoblock Z-Line Series Class SQ A/B Amplifier

sonic electronix certified amplifier logo

The MB Quart ZA1-1000.1 is tested & true to its power output

Go to item page Right Arrow Icon of Right Arrow

1000W Monoblock Z-Line Series Class SQ A/B Amplifier

• RMS: 475W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Top mounted controls for simple setup & adjustment
• Frequency Response: 15 - 250 Hz

Promo Savings Icon
sonic electronix certified amplifier logo

The MB Quart ZA1-1000.1 is tested & true to its power output

• RMS: 475W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Top mounted controls for simple setup & adjustment
• Frequency Response: 15 - 250 Hz

MB Quart XA1-240.2

240W 2-Channel X-Line Series Class SQ A/B Amplifier

Go to item page Right Arrow Icon of Right Arrow

240W 2-Channel X-Line Series Class SQ A/B Amplifier

• RMS: 60W x 2 @ 4 ohm, 120W x 4 @ 2 ohm , Bridged: 240W x 1 @ 4 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 45,000 Hz

• RMS: 60W x 2 @ 4 ohm, 120W x 4 @ 2 ohm , Bridged: 240W x 1 @ 4 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 45,000 Hz

MB Quart DA1-1800.1

1800W Peak (1000W RMS) Discus Series Class-D Monoblock 1-Ohm Stable Amplifier

Go to item page Right Arrow Icon of Right Arrow

1800W Peak (1000W RMS) Discus Series Class-D Monoblock 1-Ohm Stable Amplifier

• Max: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Variable Low-Pass & Subsonic Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 15.40" L x 2.20" H

• Max: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Variable Low-Pass & Subsonic Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 15.40" L x 2.20" H

2 Image Dynamics ID12 D4 V.4 Car Subwoofers + MB Quart ZA2-1000.2 Bass Package

Includes 2 12" Subwoofers and 1000 Watt 2-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

Includes 2 12" Subwoofers and 1000 Watt 2-Channel Amplifier

• 250 Watts RMS x 2 @ 4 ohm
• 500 Watts RMS x 2 @ 2 ohm
• 1,000 Watts RMS x 1 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12.63" W x 10.5" L x 3.25" H

• 250 Watts RMS x 2 @ 4 ohm
• 500 Watts RMS x 2 @ 2 ohm
• 1,000 Watts RMS x 1 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12.63" W x 10.5" L x 3.25" H

MB Quart DA1-2000.4

2000W 4-Channel Discus Series Full Range Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

2000W 4-Channel Discus Series Full Range Car Amplifier

• RMS: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm, Bridged: 1,000W x 2 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 21.7" L x 2.20" H

• RMS: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm, Bridged: 1,000W x 2 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 21.7" L x 2.20" H

MB Quart ONX2.100 (Factory Refurbished)

400W ONYX Series 2-Channel Class AB Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W ONYX Series 2-Channel Class AB Car Amplifier

• ONYX Series 2-Channel Class A/B Car Amplifier
• 4 ohm: 100 watts x 2 chan.
• 2 ohm: 200 watts x 2 chan.
• Bridged, 4 ohm: 400 watts x 1 chan.
• PWM (Pulse Width Modulated) MOSFET Power Supply

• ONYX Series 2-Channel Class A/B Car Amplifier
• 4 ohm: 100 watts x 2 chan.
• 2 ohm: 200 watts x 2 chan.
• Bridged, 4 ohm: 400 watts x 1 chan.
• PWM (Pulse Width Modulated) MOSFET Power Supply

MB Quart XA1-500.1

500W Monoblock X-Line Series Class SQ A/B Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W Monoblock X-Line Series Class SQ A/B Amplifier

• RMS: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 15 - 250 Hz

• RMS: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 15 - 250 Hz

MB Quart RM440.4

440W 4-Channel Reference MYKRO Series Hybrid Class D Full-Range Car Power Amplifier (RM4404)

Go to item page Right Arrow Icon of Right Arrow

440W 4-Channel Reference MYKRO Series Hybrid Class D Full-Range Car Power Amplifier (RM4404)

• 75W x 4-Chan. @ 4 ohm
• 110W x 4-Chan. @ 2 ohm
• 220W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 75W x 4-Chan. @ 4 ohm
• 110W x 4-Chan. @ 2 ohm
• 220W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart DA1-600.4

600W 4-Channel Discus Series Full Range Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W 4-Channel Discus Series Full Range Car Amplifier

• RMS: 75W x 4 @ 4 ohm, 150 x 4 @ 2 ohm, Bridged: 300W x 2 @ 4 ohm
• Total Peak Power: 600W
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 19.37" L x 2.20" H

• RMS: 75W x 4 @ 4 ohm, 150 x 4 @ 2 ohm, Bridged: 300W x 2 @ 4 ohm
• Total Peak Power: 600W
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 19.37" L x 2.20" H

MB Quart ONX1.1000D (Factory Refurbished)

1000W RMS ONYX Series Class D Monoblock Amplifier (ONX-1.1000D)

Go to item page Right Arrow Icon of Right Arrow

1000W RMS ONYX Series Class D Monoblock Amplifier (ONX-1.1000D)

• Item Condition: Factory Refurbished
• ONYX Series Monoblock Class D Car Amplifier • 1000W x 1 Chan @ 1 Ohm • 750W x 1 Chan @ 2 Ohm • Dual Speaker Terminals • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

• Item Condition: Factory Refurbished
• ONYX Series Monoblock Class D Car Amplifier • 1000W x 1 Chan @ 1 Ohm • 750W x 1 Chan @ 2 Ohm • Dual Speaker Terminals • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

MB Quart RM740.5

740W Max 5-Channel Reference MYKRO Series Hybrid Class D Full-Range Car Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

740W Max 5-Channel Reference MYKRO Series Hybrid Class D Full-Range Car Power Amplifier

• 75W x 4 Chan. @ 4 ohm
• 110W x 4 Chan. @ 2 ohm
• 220W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 5/4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 75W x 4 Chan. @ 4 ohm
• 110W x 4 Chan. @ 2 ohm
• 220W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 5/4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart ONX4.80 (Factory Refurbished)

4-Channel ONYX Series Car Amplifier (ONX-4.80)

Go to item page Right Arrow Icon of Right Arrow

4-Channel ONYX Series Car Amplifier (ONX-4.80)

ONYX Series 4-Channel Class A/B Car Amplifier • 160W x 4 Chan @ 2 Ohm • 80W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

ONYX Series 4-Channel Class A/B Car Amplifier • 160W x 4 Chan @ 2 Ohm • 80W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

MB Quart FX1.700-RB (Factory Refurbished)

700 Watt RMS Formula Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

700 Watt RMS Formula Series Monoblock Car Amplifier

• 350 Watts RMS x 1 @ 4 ohm
• 700 Watts RMS x 1 @ 2 ohm
• Frequency Response: 10 - 300 Hz
• Wired remote bass level control included
• Variable Bass Boost: 0 to +9 dB bass boost at 45 Hz

• 350 Watts RMS x 1 @ 4 ohm
• 700 Watts RMS x 1 @ 2 ohm
• Frequency Response: 10 - 300 Hz
• Wired remote bass level control included
• Variable Bass Boost: 0 to +9 dB bass boost at 45 Hz

MB Quart FX1.600 (Factory Refurbished)

600W RMS 1-Channel Monoblock Formula Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS 1-Channel Monoblock Formula Series Amplifier

Formula Series Monoblock Car Amplifier • 300W at 4 Ohm • 600W at 2 Ohm • PWM MOSFET Power Supply • MB QR-2 Wired REMOTE • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

Formula Series Monoblock Car Amplifier • 300W at 4 Ohm • 600W at 2 Ohm • PWM MOSFET Power Supply • MB QR-2 Wired REMOTE • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

MB Quart ONX4.80/500 (Factory Refurbished)

980W RMS ONYX Series 5-Channel Amplifier (ONX-4.80/500)

Go to item page Right Arrow Icon of Right Arrow

980W RMS ONYX Series 5-Channel Amplifier (ONX-4.80/500)

• ONYX Series 5-Channel Car Amplifier
• 60W x 4 Chan @ 4 Ohm
• 120W x 4 Chan @ 2 Ohm
• MOSFET PWM Power Supply
• LED Power Indicators
• 4-Way Protection
• Aluminum Alloy Heatsink
• 3 Sets Of RCA Inputs

• ONYX Series 5-Channel Car Amplifier
• 60W x 4 Chan @ 4 Ohm
• 120W x 4 Chan @ 2 Ohm
• MOSFET PWM Power Supply
• LED Power Indicators
• 4-Way Protection
• Aluminum Alloy Heatsink
• 3 Sets Of RCA Inputs

MB Quart RA1500.1 OPEN BOX COMPLETE

1500W Class D 1-Channel Monoblock Reference Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W Class D 1-Channel Monoblock Reference Series Amplifier

  • Item Condition: Open box complete
  • • Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • Built-In System Diagnostics
    • Variable Bass EQ: 0 to +10 dB at 45 Hz
    • Class D Circuitry
    • Dimensions: 8-5/16"W x 15-3/4"D x 2-3/8"H

  • Item Condition: Open box complete
  • • Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • Built-In System Diagnostics
    • Variable Bass EQ: 0 to +10 dB at 45 Hz
    • Class D Circuitry
    • Dimensions: 8-5/16"W x 15-3/4"D x 2-3/8"H

    Items per page: 20 40 60

      Clear all

      MB Quart All Car Amplifiers Information

      All car amplifiers from MB Quart are built from highly durable materials and with quality in mind. With various power ratings and max power output, MB Quart has a wide array of options to suit your system. When thinking of car amplifiers, think MB Quart.
      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

      2018 Lexus ES300h

      2016 Mazda CX-9

      2018 BMW X4

      1997 BMW Z3

      2010 Lincoln MKZ

      2020 Kia Stinger

      1974 Jeep CJ5

      1987 Dodge Diplomat

      1994 GMC K2500

      2017 Audi S6

      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.