Garage
Shop

Discontinued MB Quart 4-Channel Amplifiers

Perfectly balanced sound awaits with MB Quart's versatile 4-Channel Amplifiers.

Loading...
Filters

We are sorry, no available results!

Shop the Category

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

MB Quart OA800.4

800W RMS 4-Channel Onyx Series Class SQ Full-Range Bridgeable Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

800W RMS 4-Channel Onyx Series Class SQ Full-Range Bridgeable Power Amplifier

• 100 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• 2-Ohm Stable operation, bridgeable to 4-ohm
• Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
• 16 AWG speaker output connections
• Dimensions: 14.17" L x 9.45" W x 2.23" H

• 100 Watts RMS x 4 @ 4 ohm
• 200 Watts RMS x 4 @ 2 ohm
• 400 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 1600 Watts
• 2-Ohm Stable operation, bridgeable to 4-ohm
• Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
• 16 AWG speaker output connections
• Dimensions: 14.17" L x 9.45" W x 2.23" H

MB Quart ZA2-1000.4 (ZA21000.4)

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12.5" W x 9.2" L x 2.2" H

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12.5" W x 9.2" L x 2.2" H

MB Quart FA1-400.4

400W RMS FORMULA Series Class A/B 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W RMS FORMULA Series Class A/B 4-Channel Amplifier

• 2-Channel Class SQ (Class A/B) Amplifier
• 50W x 4 @ 2 ohm / 100W x 4 @ 4 ohm
• DC Signal Sense
• FLUID-FETS
• Heavy duty heat-sink efficiently moves heat from the MOSFET
• Bass Boost: 0-9dB

• 2-Channel Class SQ (Class A/B) Amplifier
• 50W x 4 @ 2 ohm / 100W x 4 @ 4 ohm
• DC Signal Sense
• FLUID-FETS
• Heavy duty heat-sink efficiently moves heat from the MOSFET
• Bass Boost: 0-9dB

MB Quart ZA2-1600.4 (ZA21600.4) 1600W RMS 4-Channel Amplifier

1600W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier with Remote Level Control/Bass Knob Included

Go to item page Right Arrow Icon of Right Arrow

1600W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier with Remote Level Control/Bass Knob Included

• 200 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 ohm bridged
• Total RMS Power: 1600 Watts
• Built-In Low- and High-Pass Filters
• 0 - +9 Bass Boost
• Heavy Duty Aluminum Heatsink
• Dimensions: 16.63" W x 10.63" L x 3.25" H

• 200 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 ohm bridged
• Total RMS Power: 1600 Watts
• Built-In Low- and High-Pass Filters
• 0 - +9 Bass Boost
• Heavy Duty Aluminum Heatsink
• Dimensions: 16.63" W x 10.63" L x 3.25" H

MB Quart ZA2-1000.4 w/ Complete 4 -Channel Amp Kit

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ Complete 4 Channel 4 AWG Gauge Amplifier Wiring Kit

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ Complete 4 Channel 4 AWG Gauge Amplifier Wiring Kit

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Belva BAK44 4 Gauge Amplifier Wiring Kit w/ 4-Channel RCA Cable

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Belva BAK44 4 Gauge Amplifier Wiring Kit w/ 4-Channel RCA Cable

MB Quart DSC 480

640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480)

Go to item page Right Arrow Icon of Right Arrow

640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480)

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

MB Quart ONX4.80

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 RA640.4

640W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA6404)

Go to item page Right Arrow Icon of Right Arrow

640W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA6404)

• 80W x 4-Chan. @ 4 ohm
• 160W x 4-Chan. @ 2 ohm
• 320W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 80W x 4-Chan. @ 4 ohm
• 160W x 4-Chan. @ 2 ohm
• 320W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart DA1-1000.4 Open Box Complete

1000W 4-Channel Discus Series Full Range Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W 4-Channel Discus Series Full Range Car Amplifier

• Open Box Complete
• RMS: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm, Bridged: 500W x 2 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 15.4" L x 2.20" H

• Open Box Complete
• RMS: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm, Bridged: 500W x 2 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 15.4" L x 2.20" H

MB Quart ONX4.125

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 ONX4.60

480W RMS, ONYX Series 4-Channel Amplifier (ONX-4.60)

Go to item page Right Arrow Icon of Right Arrow

480W RMS, ONYX Series 4-Channel Amplifier (ONX-4.60)

ONYX Series 4-Channel Class A/B Car Amplifier • 120W x 4 Chan @ 2 Ohm • 60W 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 • 120W x 4 Chan @ 2 Ohm • 60W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

MB Quart DSC 450

400W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC450)

Go to item page Right Arrow Icon of Right Arrow

400W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC450)

Discus Series 4-Channel Class AB Car Amplifier • 50W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 200W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

Discus Series 4-Channel Class AB Car Amplifier • 50W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 200W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

MB Quart NA360.4

360W 4-Channel Nautical Series Class SQ Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

360W 4-Channel Nautical Series Class SQ Marine Amplifier

• 60W x 4-Chan. @ 4 ohm
• 90W x 4-Chan. @ 2 ohm
• 180W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 3-Way Protection Circuitry

• 60W x 4-Chan. @ 4 ohm
• 90W x 4-Chan. @ 2 ohm
• 180W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 3-Way Protection Circuitry

MB Quart ZA2-1600.4 1600W 4 Channel + Premium NVX 4 Gauge Amp Kit

Class-A/B 4-Channel Amplifier with 100% OFC Complete 4 Gauge Amp Kit

Go to item page Right Arrow Icon of Right Arrow

Class-A/B 4-Channel Amplifier with 100% OFC Complete 4 Gauge Amp Kit

• 200 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 ohm bridged
• Total RMS Power: 1600 Watts
• Built-In Low- and High-Pass Filters
• 0 - +9 Bass Boost
• Heavy Duty Aluminum Heatsink
• NVX XKIT44 100% Copper 4 Gauge Car Amp Install Kit w/ 4-Ch RCA

• 200 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 ohm bridged
• Total RMS Power: 1600 Watts
• Built-In Low- and High-Pass Filters
• 0 - +9 Bass Boost
• Heavy Duty Aluminum Heatsink
• NVX XKIT44 100% Copper 4 Gauge Car Amp Install Kit w/ 4-Ch RCA

MB Quart ZA2-1000.4 w/ Universal Bluetooth Controller Knob

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ Universal Bluetooth Audio Controller Knob

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ Universal Bluetooth Audio Controller Knob

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 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 FX4.50

400W RMS 4-Channel Formula Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W RMS 4-Channel Formula Series Amplifier

Formula Series 4-Channel Class A/B Car Amplifier • 50W at 4 Ohm • 100W at 2 Ohm • PWM MOSFET Power Supply • Variable High Pass Filter • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

Formula Series 4-Channel Class A/B Car Amplifier • 50W at 4 Ohm • 100W at 2 Ohm • PWM MOSFET Power Supply • Variable High Pass Filter • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

MB Quart ZA2-1600.4 4-Channel + Premium 4 Gauge Amp Kit and 2.0 Farad Capacitor

Includes 1600W RMS 4-Channel, Amp Wiring Kit and Capacitor

Go to item page Right Arrow Icon of Right Arrow

Includes 1600W RMS 4-Channel, Amp Wiring Kit and Capacitor

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

MB Quart DSC 4125

1000W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC4125)

Go to item page Right Arrow Icon of Right Arrow

1000W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC4125)

Discus Series 4-Channel Class AB Car Amplifier • 125W x 4 Chan. @ 4 Ohm • 250W x 4 Chan. @ 2 Ohm • 500W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

Discus Series 4-Channel Class AB Car Amplifier • 125W x 4 Chan. @ 4 Ohm • 250W x 4 Chan. @ 2 Ohm • 500W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

MB Quart OA600.4

600W 4-Channel Onyx Series Class SQ Full Range Bridgeable Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W 4-Channel Onyx Series Class SQ Full Range Bridgeable Power Amplifier

• 75W x 4-Chan. @ 4 ohm
• 150W x 4-Chan. @ 2 ohm
• 300W x 2 Chan. @ 4 ohm
• 3-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
• 150W x 4-Chan. @ 2 ohm
• 300W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart ZA1-320.4

320W 4-Channel Z-Line Series Class SQ A/B Amplifier

sonic electronix certified amplifier logo

The MB Quart ZA1-320.4 is tested & true to its power output

Go to item page Right Arrow Icon of Right Arrow

320W 4-Channel Z-Line Series Class SQ A/B Amplifier

• RMS: 40W x 4 @ 4 ohm, 80W x 4 @ 2 ohm, Bridged 160W x 2 @ 4 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 - 45,000 Hz

Promo Savings Icon
sonic electronix certified amplifier logo

The MB Quart ZA1-320.4 is tested & true to its power output

• RMS: 40W x 4 @ 4 ohm, 80W x 4 @ 2 ohm, Bridged 160W x 2 @ 4 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 - 45,000 Hz

MB Quart FX4.100

800W RMS, 4-Channel Formula Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

800W RMS, 4-Channel Formula Series Amplifier

Formula Series 4-Channel Class A/B Car Amplifier • 100W at 4 Ohm • 200W at 2 Ohm • PWM MOSFET Power Supply • Variable High Pass Filter • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

Formula Series 4-Channel Class A/B Car Amplifier • 100W at 4 Ohm • 200W at 2 Ohm • PWM MOSFET Power Supply • Variable High Pass Filter • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

MB Quart XA1-800.4

800W 4-Channel X-Line Series Class SQ A/B Amplifier

Go to item page Right Arrow Icon of Right Arrow

800W 4-Channel X-Line Series Class SQ A/B Amplifier

• RMS: 100W x 4 @ 4 ohm, 200W x 4 @ 2 ohm, Bridged: 400W x 2 @ 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: 100W x 4 @ 4 ohm, 200W x 4 @ 2 ohm, Bridged: 400W x 2 @ 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 ONX4.60 (Factory Refurbished)

480W RMS, ONYX Series 4-Channel Amplifier (ONX-4.60)

Go to item page Right Arrow Icon of Right Arrow

480W RMS, ONYX Series 4-Channel Amplifier (ONX-4.60)

• ONYX Series 4-Channel Class A/B Car Amplifier
• 120W x 4 Chan @ 2 Ohm
• 60W 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
• 120W x 4 Chan @ 2 Ohm
• 60W x 4 Chan @ 4 Ohm
• Unbalanced RCA Input Jack
• Preamp RCA Outputs
• 4-Way System Protection Circuitry
• Piano Black Gloss Finish

MB Quart REF4.50

400W RMS Reference Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W RMS Reference Series 4-Channel Amplifier

Reference Series 4-Channel Class A/B Car Amplifier • 400W RMS • 100W x 4-Chan @ 2 Ohm • Variable Bass Boost • Soft Start Turn-on • 4-Way System Protection Circuitry • Preamp RCA Outputs • MOSFET Power Supply

Reference Series 4-Channel Class A/B Car Amplifier • 400W RMS • 100W x 4-Chan @ 2 Ohm • Variable Bass Boost • Soft Start Turn-on • 4-Way System Protection Circuitry • Preamp RCA Outputs • MOSFET Power Supply

MB Quart FX4.70

560W RMS, 4-Channel Formula Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

560W RMS, 4-Channel Formula Series Amplifier

Formula Series 4-Channel Class A/B Car Amplifier • 70W at 4 Ohm • 140W at 2 Ohm • PWM MOSFET Power Supply • Variable High Pass Filter • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

Formula Series 4-Channel Class A/B Car Amplifier • 70W at 4 Ohm • 140W at 2 Ohm • PWM MOSFET Power Supply • Variable High Pass Filter • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

MB Quart NAU 460

360W Max, Nautic Series 4-Channel Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

360W Max, Nautic Series 4-Channel Marine Amplifier

Nautic Series 4-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 4 Chan. @ 4 Ohm • 90W x 4 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

Nautic Series 4-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 4 Chan. @ 4 Ohm • 90W x 4 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

MB Quart OA400.4

400W 4-Channel Onyx Series Full Range Bridgeable Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W 4-Channel Onyx Series Full Range Bridgeable Power Amplifier

• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 200W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 200W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart XA1-600.4

600W 4-Channel X-Line Series Class SQ A/B Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W 4-Channel X-Line Series Class SQ A/B Amplifier

• RMS: 75W x 4 @ 4 ohm, 150W x 4 @ 2 ohm, Bridged: 300W x 2 @ 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: 75W x 4 @ 4 ohm, 150W x 4 @ 2 ohm, Bridged: 300W x 2 @ 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 ZA2-1000.4 w/ Complete 4-Channel 100% OFC Amp Kit

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ 100% OFC Complete 4 Channel 4 AWG Gauge Amplifier Wiring Kit

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier w/ 100% OFC Complete 4 Channel 4 AWG Gauge Amplifier Wiring Kit

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XKIT44 100% Copper 4 Gauge Car Amp Install Kit w/ 4-Ch RCA

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• NVX XKIT44 100% Copper 4 Gauge Car Amp Install Kit w/ 4-Ch RCA

MB Quart RA1000.4

1000W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA10004)

Go to item page Right Arrow Icon of Right Arrow

1000W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA10004)

• 125W x 4-Chan. @ 4 ohm
• 250W x 4-Chan. @ 2 ohm
• 500W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 125W x 4-Chan. @ 4 ohm
• 250W x 4-Chan. @ 2 ohm
• 500W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart Reference RA480.4

480W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA4804)

Go to item page Right Arrow Icon of Right Arrow

480W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA4804)

• 60W x 4-Chan. @ 4 ohm
• 120W x 4-Chan. @ 2 ohm
• 240W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 60W x 4-Chan. @ 4 ohm
• 120W x 4-Chan. @ 2 ohm
• 240W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart DA1-1000.4

1000W 4-Channel Discus Series Full Range Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W 4-Channel Discus Series Full Range Car Amplifier

• RMS: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm, Bridged: 500W x 2 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 15.4" L x 2.20" H

• RMS: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm, Bridged: 500W x 2 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 15.4" L x 2.20" H

MB Quart ZA1-640.4

640W 4-Channel Z-Line Series Class SQ A/B Amplifier

Go to item page Right Arrow Icon of Right Arrow

640W 4-Channel Z-Line Series Class SQ A/B Amplifier

• RMS: 80W x 4 @ 4 ohm, 160W x 4 @ 2 ohm, Bridged 320W x 2 @ 4 ohm.
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Top mounted controls for simple setup & adjustment
• Frequency Response: 10 - 45,000 Hz

• RMS: 80W x 4 @ 4 ohm, 160W x 4 @ 2 ohm, Bridged 320W x 2 @ 4 ohm.
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Top mounted controls for simple setup & adjustment
• Frequency Response: 10 - 45,000 Hz

MB Quart Q4.80

480W RMS Q Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

480W RMS Q Series 4-Channel Amplifier

Q Series 4-Channel Amplifier • 80W x 4 Chan @ 4 Ohm • 120W x 4 Chan @ 2 Ohm • PWM MOSFET Power Supply • Full Feature Crossover Design • Clipping Control with LED Indicator • Frequency Multiplier • Multi-Channel Configuration • Built-In System Diagnostics

Q Series 4-Channel Amplifier • 80W x 4 Chan @ 4 Ohm • 120W x 4 Chan @ 2 Ohm • PWM MOSFET Power Supply • Full Feature Crossover Design • Clipping Control with LED Indicator • Frequency Multiplier • Multi-Channel Configuration • Built-In System Diagnostics

MB Quart ZA2-1600.4 w/ Universal Bluetooth Controller Knob

1600W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier with Universal Bluetooth Receiver Controller

Go to item page Right Arrow Icon of Right Arrow

1600W RMS Z-Line Class-A/B 4-Channel 2-Ohm Stable Amplifier with Universal Bluetooth Receiver Controller

• 200 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 ohm bridged
• Total RMS Power: 1600 Watts
• Built-In Low- and High-Pass Filters
• 0 - +9 Bass Boost
• Heavy Duty Aluminum Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

• 200 Watts RMS x 4 @ 4 ohm
• 400 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 ohm bridged
• Total RMS Power: 1600 Watts
• Built-In Low- and High-Pass Filters
• 0 - +9 Bass Boost
• Heavy Duty Aluminum Heatsink
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

MB Quart Premium PAB 4100

Premium Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

Premium Series 4-Channel Amplifier

4-Channel Amplifier • MOSFET power supply • S/N Ratio: >95 dB • 24 dB subsonic filter

4-Channel Amplifier • MOSFET power supply • S/N Ratio: >95 dB • 24 dB subsonic filter

MB Quart Q4.150

880W RMS Q-Series 4-Channel Amplifier (Q4150)

Go to item page Right Arrow Icon of Right Arrow

880W RMS Q-Series 4-Channel Amplifier (Q4150)

Q Series 4-Channel Amplifier • 150W x 4 Chan @ 4 Ohm • 220W x 4 Chan @ 2 Ohm • PWM MOSFET Power Supply • Full Feature Crossover Design • Clipping Control with LED Indicator • Frequency Multiplier • Multi-Channel Configuration • Built-In System Diagnostics

Q Series 4-Channel Amplifier • 150W x 4 Chan @ 4 Ohm • 220W x 4 Chan @ 2 Ohm • PWM MOSFET Power Supply • Full Feature Crossover Design • Clipping Control with LED Indicator • Frequency Multiplier • Multi-Channel Configuration • Built-In System Diagnostics

MB Quart RAB 450

320W RMS, Class A/B 4-Channel Reference Series Amplifier (RAB450)

Go to item page Right Arrow Icon of Right Arrow

320W RMS, Class A/B 4-Channel Reference Series Amplifier (RAB450)

Reference Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 80W x 4 chan. @ 2 ohm • 160W x 2 chan. @ 4 ohm • Preamp RCA outputs • Massive aluminum heatsink

Reference Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 80W x 4 chan. @ 2 ohm • 160W x 2 chan. @ 4 ohm • Preamp RCA outputs • Massive aluminum heatsink

MB Quart ZA2-1000.4 1000W 4-Ch Amp + 4 Alpine Type-S SPS-610 6.5" 480W Speakers

Includes 1000 Watt 4-Ch Amplifier & 4 Alpine 6.5" Coaxial Speakers

Go to item page Right Arrow Icon of Right Arrow

Includes 1000 Watt 4-Ch Amplifier & 4 Alpine 6.5" Coaxial Speakers

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12.5" W x 9.2" L x 2.2" H

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12.5" W x 9.2" L x 2.2" H

MB Quart REF4.80

640W RMS Reference Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

640W RMS Reference Series 4-Channel Amplifier

Reference Series 4-Channel Class A/B Car Amplifier • 640W RMS • 160W x 4-Chan @ 2 Ohm • Variable Bass Boost • Soft Start Turn-on • 4-Way System Protection Circuitry • Preamp RCA Outputs • MOSFET Power Supply

Reference Series 4-Channel Class A/B Car Amplifier • 640W RMS • 160W x 4-Chan @ 2 Ohm • Variable Bass Boost • Soft Start Turn-on • 4-Way System Protection Circuitry • Preamp RCA Outputs • MOSFET Power Supply

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 PAB 5400

Premium Series 5-Channel Amplifier (PAB5400)

Go to item page Right Arrow Icon of Right Arrow

Premium Series 5-Channel Amplifier (PAB5400)

Premium Series Class AB 5-Channel Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 80W x 4 chan. + 300W x 1 chan. @ 2 ohm • PWM MOSFET power supply • Preamp RCA outputs • Focused mass aluminum heat sink

Premium Series Class AB 5-Channel Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 80W x 4 chan. + 300W x 1 chan. @ 2 ohm • PWM MOSFET power supply • Preamp RCA outputs • Focused mass aluminum heat sink

Go to item page Right Arrow Icon of Right Arrow

800 watts RMS 4-channel amplifier • Reference Series • signal/noise ratio: >80 dB • input signal: 150mV - 8V • dimensions: 11" x 15.75" x 2.25" • dissipation topology: cast aluminum heatsinks • RCA signal input

800 watts RMS 4-channel amplifier • Reference Series • signal/noise ratio: >80 dB • input signal: 150mV - 8V • dimensions: 11" x 15.75" x 2.25" • dissipation topology: cast aluminum heatsinks • RCA signal input

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 DSC 480 + Amplifier Kit

640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480d) w/ 4 Gauge Amp Kit

Go to item page Right Arrow Icon of Right Arrow

640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480d) w/ 4 Gauge Amp Kit

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Includes a 4 Gauge Amplifier Kit

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Includes a 4 Gauge Amplifier Kit

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 4-Channel Amplified Speakers Package

OA800.4 800W RMS 4-Channel Full-Range Power Amplifier + ZK1-169 6 x 9" Z-Line Series 2-Way Coaxial Car Speakers

Go to item page Right Arrow Icon of Right Arrow

OA800.4 800W RMS 4-Channel Full-Range Power Amplifier + ZK1-169 6 x 9" Z-Line Series 2-Way Coaxial Car Speakers

• 4 ohm: 100 watts x 4 chan.
• 1" (30mm) ceramic Coated Titanium Dome Tweeter
• Mica-filled PP Cone Mated to UV Butyl Surround
• 12bd/Octave Crossovers
• 4 Ohm Impedance
• Sensitivity: 89dB
• Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
• 16 AWG speaker output connections
• Dimensions: 14.17" L x 9.45" W x 2.23" H

• 4 ohm: 100 watts x 4 chan.
• 1" (30mm) ceramic Coated Titanium Dome Tweeter
• Mica-filled PP Cone Mated to UV Butyl Surround
• 12bd/Octave Crossovers
• 4 Ohm Impedance
• Sensitivity: 89dB
• Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
• 16 AWG speaker output connections
• Dimensions: 14.17" L x 9.45" W x 2.23" H

MB Quart 3-Channel Bundle w/ Two 6x9" Speakers, 12" Subwoofer & Amplifier

MB Quart 4-Channel Onyx Series Class SQ Full Range Amp + 6 x 9" 2-Way Coaxial Speakers + 12" Dual 2 Ohm Sub + 4-Gauge CCA Wiring Kit

Go to item page Right Arrow Icon of Right Arrow

MB Quart 4-Channel Onyx Series Class SQ Full Range Amp + 6 x 9" 2-Way Coaxial Speakers + 12" Dual 2 Ohm Sub + 4-Gauge CCA Wiring Kit

• 800W RMS 4-Channel Full-Range Bridgeable Power Amplifier
•6 x 9" Z-Line Series 2-Way Coaxial Car Speakers
• 350W 12" Dual 2 Ohm Subwoofer
• 4 Gauge 4-Channel Amplifier Wiring Kit

• 800W RMS 4-Channel Full-Range Bridgeable Power Amplifier
•6 x 9" Z-Line Series 2-Way Coaxial Car Speakers
• 350W 12" Dual 2 Ohm Subwoofer
• 4 Gauge 4-Channel Amplifier Wiring Kit

EXCLUSIVE

MB Quart FX4.100 + Amplifier Kit Bundle

800W Max, 4-Channel Formula Amplifier + Raptor 8 Gauge Amp Kit + Cache CTM Sound Dampening Material

Go to item page Right Arrow Icon of Right Arrow

800W Max, 4-Channel Formula Amplifier + Raptor 8 Gauge Amp Kit + Cache CTM Sound Dampening Material

Formula Series 4-Channel Class A/B Car Amplifier • PWM MOSFET Power Supply • 4-way Protection Circuitry • Variable Low-Pass Filter • Variable High-Pass Filter • Amplifier Installation Kit with RCA Interconnect Cable • Designed for Systems Up to 1000W • Five 18" x 32" Pieces of Dead Shield Sound Dampening Material

Formula Series 4-Channel Class A/B Car Amplifier • PWM MOSFET Power Supply • 4-way Protection Circuitry • Variable Low-Pass Filter • Variable High-Pass Filter • Amplifier Installation Kit with RCA Interconnect Cable • Designed for Systems Up to 1000W • Five 18" x 32" Pieces of Dead Shield Sound Dampening Material

EXCLUSIVE

MB Quart X-Line Speaker & Amp Package with Premium 100% OFC Amp Wiring Kit

6-1/2" X-Line Series 2-Way Component & Coaxial Speakers, 4-Channel X-Line Series Class SQ A/B Amplifier, and NVX 100% OFC Amp Kit w/ RCAs

Go to item page Right Arrow Icon of Right Arrow

6-1/2" X-Line Series 2-Way Component & Coaxial Speakers, 4-Channel X-Line Series Class SQ A/B Amplifier, and NVX 100% OFC Amp Kit w/ RCAs

• MB Quart XC1-216 6½" Component Speakers
• MB Quart XK1-116 6½" Coaxial Speakers
• MB Quart XA1-600.4 Class A/B 4-Channel Amplifier
• NVX XAPK8 100% OFC Wiring Kit
• NVX XIX45 Premium RCA Cable

• MB Quart XC1-216 6½" Component Speakers
• MB Quart XK1-116 6½" Coaxial Speakers
• MB Quart XA1-600.4 Class A/B 4-Channel Amplifier
• NVX XAPK8 100% OFC Wiring Kit
• NVX XIX45 Premium RCA Cable

EXCLUSIVE

800W MB Quart + Alpine Amplified Speaker Combo

MB Quart Onyx Series 4-Channel Amplifier w/ 2 Pairs of Alpine Type-R 6x8" Coaxial Speakers and Amp Wiring Kit

Go to item page Right Arrow Icon of Right Arrow

MB Quart Onyx Series 4-Channel Amplifier w/ 2 Pairs of Alpine Type-R 6x8" Coaxial Speakers and Amp Wiring Kit

• MB Quart OA800.4 4-Channel Onyx Full Range Amplifier
• 100W x 4-Chan. @ 4 ohm, 200W x 4-Chan. @ 2 ohm, 400W x 2 Chan. @ 4 ohm
• 2 Pairs of Alpine SPR-68 6" x 8" Type-R Coaxial Speakers
• Peak Power: 300W, RMS Power: 100W (Each)
• Belva BAK44 Complete 4 Gauge Amplifier Wiring Kit

• MB Quart OA800.4 4-Channel Onyx Full Range Amplifier
• 100W x 4-Chan. @ 4 ohm, 200W x 4-Chan. @ 2 ohm, 400W x 2 Chan. @ 4 ohm
• 2 Pairs of Alpine SPR-68 6" x 8" Type-R Coaxial Speakers
• Peak Power: 300W, RMS Power: 100W (Each)
• Belva BAK44 Complete 4 Gauge Amplifier Wiring Kit

MB Quart OA800.4 (Factory Refurbished)

800W 4-Channel Onyx Series Class SQ Full Range Bridgeable Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

800W 4-Channel Onyx Series Class SQ Full Range Bridgeable Power Amplifier

• 100W x 4-Chan. @ 4 ohm
• 200W x 4-Chan. @ 2 ohm
• 400W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 100W x 4-Chan. @ 4 ohm
• 200W x 4-Chan. @ 2 ohm
• 400W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart DSC 450 Open Box

(Open Box) 400W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC450)

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 400W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC450)

Discus Series 4-Channel Class AB Car Amplifier • 50W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 200W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

Discus Series 4-Channel Class AB Car Amplifier • 50W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 200W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

MB Quart ONX4.80 Open Box

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

Go to item page Right Arrow Icon of Right Arrow

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

ONYX Series 4-Channel Class AB 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 AB 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 RA480.4 (Factory Refurbished)

480W 4-Channel Reference Series Bridgeable Power Amplifier (RA4804)

Go to item page Right Arrow Icon of Right Arrow

480W 4-Channel Reference Series Bridgeable Power Amplifier (RA4804)

• 60W x 4-Chan. @ 4 ohm
• 120W x 4-Chan. @ 2 ohm
• 240W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 60W x 4-Chan. @ 4 ohm
• 120W x 4-Chan. @ 2 ohm
• 240W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart RA1000.4-OPEN BOX

1000W 4-Channel Reference Series Bridgeable Power Amplifier (RA10004)

Go to item page Right Arrow Icon of Right Arrow

1000W 4-Channel Reference Series Bridgeable Power Amplifier (RA10004)

• 125W x 4-Chan. @ 4 ohm
• 250W x 4-Chan. @ 2 ohm
• 500W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 125W x 4-Chan. @ 4 ohm
• 250W x 4-Chan. @ 2 ohm
• 500W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart RA1000.4 (Factory Refurbished)

1000W 4-Channel Reference Series Bridgeable Power Amplifier (RA10004)

Go to item page Right Arrow Icon of Right Arrow

1000W 4-Channel Reference Series Bridgeable Power Amplifier (RA10004)

• 125W x 4-Chan. @ 4 ohm
• 250W x 4-Chan. @ 2 ohm
• 500W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 125W x 4-Chan. @ 4 ohm
• 250W x 4-Chan. @ 2 ohm
• 500W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart RA640.4- OPEN BOX

640W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA6404)

Go to item page Right Arrow Icon of Right Arrow

640W 4-Channel Reference Series Class SQ Bridgeable Power Amplifier (RA6404)

• 80W x 4-Chan. @ 4 ohm
• 160W x 4-Chan. @ 2 ohm
• 320W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 80W x 4-Chan. @ 4 ohm
• 160W x 4-Chan. @ 2 ohm
• 320W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

MB Quart ZA2-1000.4 1000W 4-Ch Amp + 6.5" Alpine SPS-610 + 6x9" SPS-619 Speakers

Includes 1000 Watt 4-Ch Amplifier 6.5" and 6x9" Coaxial Speakers

Go to item page Right Arrow Icon of Right Arrow

Includes 1000 Watt 4-Ch Amplifier 6.5" and 6x9" Coaxial Speakers

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12.5" W x 9.2" L x 2.2" H

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS x 2 @ 4 ohm, bridged
• Total RMS Power: 1,000 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 12.5" W x 9.2" L x 2.2" H

Items per page: 20 40 60

    Clear all

    MB Quart 4-Channel Amplifiers Information

    A 4 channel car amplifier from MB Quart will provide your vehicle with the power it requires. These amps can operate four channels and MB Quart is a leader in amplification solutions. Power your speakers with an MB Quart 4-channel amplifier for a great all-around sound.
    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

    1986 Saab 9000

    1988 Dodge Colt Custom

    2008 Kia Spectra

    2013 Volvo S60

    2024 Audi A4 Quattro

    2009 Bentley Continental

    1994 Lexus SC400

    1986 Chevrolet Nova

    2003 Saturn Ion-3

    2000 Toyota RAV4

    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.