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Discontinued MB Quart 4-Channel Amplifiers

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

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MB Quart OA800.4

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

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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

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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

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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

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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

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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)

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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)

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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)

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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

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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)

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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)

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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)

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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

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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

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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

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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

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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

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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)

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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

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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

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

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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

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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

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    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.
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