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Discontinued MB Quart 5-Channel, 6-Channel & 8-Channel Amplifiers

Versatile audio control with MB Quart's 5-Channel, 6-Channel & 8-Channel Amplifiers.

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MB Quart OA1100.5

1100W Max Class D 5-Channel Onyx Series Amplifier

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1100W Max Class D 5-Channel Onyx Series Amplifier

• Full-Range RMS: 75W x 4 @ 4 ohm, 150W x 4 @ 2 ohm
• Subwoofer RMS: 350W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Class D Circuitry
• FLUID-FETS MOSFETS Circuit
• Heavy Duty Black Onyx
• Dimensions: 9-7/16"W x 16"D x 2-1/4"H

• Full-Range RMS: 75W x 4 @ 4 ohm, 150W x 4 @ 2 ohm
• Subwoofer RMS: 350W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Class D Circuitry
• FLUID-FETS MOSFETS Circuit
• Heavy Duty Black Onyx
• Dimensions: 9-7/16"W x 16"D x 2-1/4"H

MB Quart NA710.5

360W RMS 5-Channel Nautical Series Class SQ Marine Amplifier

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360W RMS 5-Channel Nautical Series Class SQ Marine Amplifier

• Full-Range RMS: 60W x 4 @ 4 ohm, 90W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm
• Marine Ready
• Raven Black Finish
• Preamp RCA Outputs
• Dimensions: 9-1/2"W x 18"L x 2-1/4"H

• Full-Range RMS: 60W x 4 @ 4 ohm, 90W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm
• Marine Ready
• Raven Black Finish
• Preamp RCA Outputs
• Dimensions: 9-1/2"W x 18"L x 2-1/4"H

MB Quart FA1-900.5

900W Peak Formula Series Class A/B + Class D 5-Channel Amplifier

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900W Peak Formula Series Class A/B + Class D 5-Channel Amplifier

• FORMULA Series 5-Channel Class A/B + Class D Amplifier
• 500W x 1 @ 1 ohm (Channel 5 only) / 100W x 4 + 350W x 1 @ 2 ohm / 60W x 4 + 250W x 1 @ 4 ohm
• DC Signal Sense
• FLUID-FETS
• Heavy duty heat-sink efficiently moves heat from the MOSFET
• Bass Boost: 0-12dB

• FORMULA Series 5-Channel Class A/B + Class D Amplifier
• 500W x 1 @ 1 ohm (Channel 5 only) / 100W x 4 + 350W x 1 @ 2 ohm / 60W x 4 + 250W x 1 @ 4 ohm
• DC Signal Sense
• FLUID-FETS
• Heavy duty heat-sink efficiently moves heat from the MOSFET
• Bass Boost: 0-12dB

MB Quart ZA2-1500.5 w/ Complete 100% OFC 5-Channel Amp Kit

1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier w/ Complete 4 AWG Gauge OFC 5-Channel Amp Kit

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1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier w/ Complete 4 AWG Gauge OFC 5-Channel Amp Kit

• 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 XKIT46 100% Copper 4 Gauge Amp Kit for 5- or 6-Channel Amplifiers w/ RCA

• 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 XKIT46 100% Copper 4 Gauge Amp Kit for 5- or 6-Channel Amplifiers w/ RCA

MB Quart ONX4.80/500

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

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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 NAU 660

540W Max, Nautic Series 6-Channel Marine Amplifier (NAU660)

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540W Max, Nautic Series 6-Channel Marine Amplifier (NAU660)

Nautic Series 6-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 6 Chan. @ 4 Ohm • 90W x 6 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

Nautic Series 6-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 6 Chan. @ 4 Ohm • 90W x 6 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

MB Quart ZA2-1500.5 (ZA21500.5)

1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Bass Knob Included

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1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Bass Knob Included

• 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
• Dimensions: 23.38" W x 10.63" L x 3.25" H

• 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
• Dimensions: 23.38" W x 10.63" L x 3.25" H

MB Quart XA1-1100.5

1100W 5-Channel X-Line Series Class A/B Amplifier

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1100W 5-Channel X-Line Series Class A/B Amplifier

• RMS: 75W x 4 @ 4 ohm, 150W x 4 @ 2 ohm, 300W x 2 @ 4 ohm Bridged , Sub Ch: 500W x 1 @ 1ohm
• 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, 300W x 2 @ 4 ohm Bridged , Sub Ch: 500W x 1 @ 1ohm
• 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 ZA2-1500.5 w/ Universal Bluetooth Receiver

1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Universal Bluetooth Audio Receiver

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1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Universal Bluetooth Audio Receiver

• 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 VUBT2 Universal Waterproof Bluetooth Receiver for Cars/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 VUBT2 Universal Waterproof Bluetooth Receiver for Cars/Motorcycles/ATVs/Boats

MB Quart ZA2-1500.5 w/ Complete 5-Channel Amp Kit

1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Complete 4 AWG Gauge 5-Channel Amp Kit

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1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Complete 4 AWG Gauge 5-Channel Amp Kit

• 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
• Belva BAK46 5- or 6-Channel 4 Gauge Amp Kit, Set of 6-channel RCAs

• 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
• Belva BAK46 5- or 6-Channel 4 Gauge Amp Kit, Set of 6-channel RCAs

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

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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 PAB 5400

Premium Series 5-Channel Amplifier (PAB5400)

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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

MB Quart RM740.5

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

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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 NAA 665

Marine 6-Channel Amplifier (Nautic NAA665)

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Marine 6-Channel Amplifier (Nautic NAA665)

6-Channel Class AB Marine Amplifier • 65W x 6 chan. @ 4 ohm • 90W x 6 chan. 2 ohm • PWM MOSFET power supply • Full range preamp outputs for easy daisy-chaining of additional amplifiers

6-Channel Class AB Marine Amplifier • 65W x 6 chan. @ 4 ohm • 90W x 6 chan. 2 ohm • PWM MOSFET power supply • Full range preamp outputs for easy daisy-chaining of additional amplifiers

MB Quart ONX4.80/500 (Factory Refurbished)

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

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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 OA1100.5-RB (Factory Refurbished)

1100W Max Class D 5-Channel Onyx Series Amplifier

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1100W Max Class D 5-Channel Onyx Series Amplifier

• Full-Range RMS: 75W x 4 @ 4 ohm, 150W x 4 @ 2 ohm
• Subwoofer RMS: 350W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Class D Circuitry
• FLUID-FETS MOSFETS Circuit
• Heavy Duty Black Onyx
• Dimensions: 9-7/16"W x 16"D x 2-1/4"H

• Full-Range RMS: 75W x 4 @ 4 ohm, 150W x 4 @ 2 ohm
• Subwoofer RMS: 350W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Class D Circuitry
• FLUID-FETS MOSFETS Circuit
• Heavy Duty Black Onyx
• Dimensions: 9-7/16"W x 16"D x 2-1/4"H

MB Quart NA710.5 OPEN BOX COMPLETE

360W RMS 5-Channel Nautical Series Class SQ Marine Amplifier

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360W RMS 5-Channel Nautical Series Class SQ Marine Amplifier

• Full-Range RMS: 60W x 4 @ 4 ohm, 90W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm
• Marine Ready
• Raven Black Finish
• Preamp RCA Outputs
• Dimensions: 9-1/2"W x 18"L x 2-1/4"H

• Full-Range RMS: 60W x 4 @ 4 ohm, 90W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm
• Marine Ready
• Raven Black Finish
• Preamp RCA Outputs
• Dimensions: 9-1/2"W x 18"L x 2-1/4"H

MB Quart NAU 660 Open Box

540W Max, Nautic Series 6-Channel Marine Amplifier (NAU660)

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540W Max, Nautic Series 6-Channel Marine Amplifier (NAU660)

Nautic Series 6-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 6 Chan. @ 4 Ohm • 90W x 6 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

Nautic Series 6-Channel Class A/B Marine Amplifier • UV And Salt Water Resistant • 60W x 6 Chan. @ 4 Ohm • 90W x 6 Chan. @ 2 Ohm • Full Range Line Outputs • 4-Way System Protection • Gold-Plated RCA Level Inputs

MB Quart OA1100.5(Open Box Incomplete Used Functional)

1100W Max Class D 5-Channel Onyx Series Amplifier(Open Box Incomplete Used Functional)

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1100W Max Class D 5-Channel Onyx Series Amplifier(Open Box Incomplete Used Functional)

• 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 NA710.5 (Like New (Open Box))

360W RMS 5-Channel Nautical Series Class SQ Marine Amplifier

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360W RMS 5-Channel Nautical Series Class SQ Marine Amplifier

• Full-Range RMS: 60W x 4 @ 4 ohm, 90W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm
• Marine Ready
• Raven Black Finish
• Preamp RCA Outputs
• Dimensions: 9-1/2"W x 18"L x 2-1/4"H

• Full-Range RMS: 60W x 4 @ 4 ohm, 90W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm
• Marine Ready
• Raven Black Finish
• Preamp RCA Outputs
• Dimensions: 9-1/2"W x 18"L x 2-1/4"H

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