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  1. Home
  2. MB Quart Store
  3. Discontinued MB Quart Car Audio & Electronics
  4. Discontinued MB Quart Car Amplifiers
  5. Discontinued MB Quart 2-Channel Amplifiers

Discontinued MB Quart 2-Channel Amplifiers

Enhance stereo sound in your car with the clarity of MB Quart's 2-Channel Amplifiers.

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Amplifiers,
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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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MB Quart ZA2-1000.2

1000W Max (500W RMS) ZA2 Series 2 ohm Stable 2-Channel Class-A/B Amplifier

ZA2-1000.2 big DISCONTINUED
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MB Quart ZA2-1000.2

1000W Max (500W RMS) ZA2 Series 2 ohm Stable 2-Channel Class-A/B 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

8

• 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

EXCLUSIVE

MB Quart ZA2-1000.2 1000W Amp + NVX Universal Bluetooth Controller Knob

ZA21000.2 Class-A/B 2-Channel Amplifier + NVX XUBT3 Universal Bluetooth Controller Knob

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MB Quart ZA2-1000.2 1000W Amp + NVX Universal Bluetooth Controller Knob

ZA21000.2 Class-A/B 2-Channel Amplifier + NVX XUBT3 Universal Bluetooth Controller Knob

• 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
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

23

• 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
• NVX XUBT3 Universal Bluetooth Knob for Cars, Trucks, Motorcycles, ATVs & Boats

MB Quart FX2.60

240W RMS 2-Channel Formula Series Amplifier

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MB Quart FX2.60

240W RMS 2-Channel Formula Series Amplifier

Formula Series 2-Channel Class A/B Car Amplifier • 60W at 4 Ohm • 120W at 2 Ohm • PWM MOSFET Power Supply • Variable High Pass Filter • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

10

Formula Series 2-Channel Class A/B Car Amplifier • 60W at 4 Ohm • 120W at 2 Ohm • PWM MOSFET Power Supply • Variable High Pass Filter • Variable Low Pass Filer • Variable Bass Boost • 4 Way Protection Circuitry

EXCLUSIVE

MB Quart ZA2-1000.2 1000W Amplifier + FREE NVX Universal Bluetooth Receiver

Class-A/B 2-Channel 2-Ohm Stable Amplifier + VUBT2 Universal Waterproof Bluetooth Audio Receiver

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MB Quart ZA2-1000.2 1000W Amplifier + FREE NVX Universal Bluetooth Receiver

Class-A/B 2-Channel 2-Ohm Stable Amplifier + VUBT2 Universal Waterproof Bluetooth Audio Receiver

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

31

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

MB Quart DSC 280

320W RMS, Class A/B 2-Channel Discus Series Amplifier (DSC280)

DSC-280 big DISCONTINUED
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MB Quart DSC 280

320W RMS, Class A/B 2-Channel Discus Series Amplifier (DSC280)

Discus Series 2-Channel Class AB Car Amplifier • 80W x 2 chan. @ 4 ohm • 160W x 2 chan. @ 2 ohm • 320W x 1 chan. @ 4 ohm • Preamp RCA outputs • Unbalanced RCA inputs • Damping Factor: >180

2

Discus Series 2-Channel Class AB Car Amplifier • 80W x 2 chan. @ 4 ohm • 160W x 2 chan. @ 2 ohm • 320W x 1 chan. @ 4 ohm • Preamp RCA outputs • Unbalanced RCA inputs • Damping Factor: >180

MB Quart RA400.2

400W Max 2-Channel Reference Series Class SQ Stereo/Bridgeable Power Amplifier (RA4002)

Save Money with Sonic Exclusive Bundles:
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H:H
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MB Quart RA400.2

400W Max 2-Channel Reference Series Class SQ Stereo/Bridgeable Power Amplifier (RA4002)

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

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Save Money with Sonic Exclusive Bundles:
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H:H
7

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

MB Quart NA180.2

180W RMS Nautical Series Class-AB Bridgeable 2-Channel 2-Ohm Stable Marine Amplifier

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MB Quart NA180.2

180W RMS Nautical Series Class-AB Bridgeable 2-Channel 2-Ohm Stable Marine Amplifier

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

5

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

MB Quart NAU 260

360W Max, Nautic Series 2-Channel Marine Amplifier (NAU 260, NAU-260)

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MB Quart NAU 260

360W Max, Nautic Series 2-Channel Marine Amplifier (NAU 260, NAU-260)

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

10

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

MB Quart DSC 2150 (DSC2150)

600W RMS, Class A/B 2-Channel Discus Series Amplifier (DSC2150)

DSC-2150 big DISCONTINUED
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MB Quart DSC 2150 (DSC2150)

600W RMS, Class A/B 2-Channel Discus Series Amplifier (DSC2150)

Discus 2-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • 300W x 2 chan. @ 2 ohm • 600W x 1 chan. @ 4 ohm • Preamp RCA outputs • Unbalanced RCA Inputs • Damping Factor: >180

Discus 2-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • 300W x 2 chan. @ 2 ohm • 600W x 1 chan. @ 4 ohm • Preamp RCA outputs • Unbalanced RCA Inputs • Damping Factor: >180

MB Quart RA400.2 Open Box Complete

400W Max 2-Channel Reference Series Class SQ Stereo/Bridgeable Power Amplifier (RA4002)

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MB Quart RA400.2 Open Box Complete

400W Max 2-Channel Reference Series Class SQ Stereo/Bridgeable Power Amplifier (RA4002)

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

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

MB Quart ONX2.100

400W ONYX Series 2-Channel Amplifier (ONX-2.100)

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MB Quart ONX2.100

400W ONYX Series 2-Channel Amplifier (ONX-2.100)

• 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

16

• 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 PAB 2100

2-Channel Premium Series Amplifier (PAB2100)

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MB Quart PAB 2100

2-Channel Premium Series Amplifier (PAB2100)

Premium Series 2-Channel Class AB Car Amplifier • 100W x 2 chan. @ 4 ohm • 200W x 2 chan. @ 2 ohm • 400W x 1 chan. @ 4 ohm • MOSFET PWM power supply • Gold-plated RCA level inputs • Gold-plated screw terminals

1

Premium Series 2-Channel Class AB Car Amplifier • 100W x 2 chan. @ 4 ohm • 200W x 2 chan. @ 2 ohm • 400W x 1 chan. @ 4 ohm • MOSFET PWM power supply • Gold-plated RCA level inputs • Gold-plated screw terminals

MB Quart DA1-1200.2

1200W 2-Channel Discus Series Full Range Car Amplifier

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MB Quart DA1-1200.2

1200W 2-Channel Discus Series Full Range Car Amplifier

• RMS: 300 x 2 @ 4 ohm, 600W x 2 @ 2 ohm, Bridged: 1,200W x 1 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 19.30" L x 2.20" H

• RMS: 300 x 2 @ 4 ohm, 600W x 2 @ 2 ohm, Bridged: 1,200W x 1 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 19.30" L x 2.20" H

MB Quart OA240.2

240W Max 2-Channel Onyx Series Stereo/Bridgeable Power Amplifier

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MB Quart OA240.2

240W Max 2-Channel Onyx Series Stereo/Bridgeable Power Amplifier

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

1

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

MB Quart RAB 250

Reference Series 2-Channel Amplifier (RAB250)

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MB Quart RAB 250

Reference Series 2-Channel Amplifier (RAB250)

Reference Series 2-Channel Class AB Car Amplifier • 50W RMS x 2 chan. @ 4 ohm • 90W RMS x 2 chan. @ 2 ohm • 250W Max x 2 chan. • MOSFET power supply • Micro Class AB Amplifier Topology • Focused Mass Aluminum Heat Sink • Full-Range Preamp RCA output

Reference Series 2-Channel Class AB Car Amplifier • 50W RMS x 2 chan. @ 4 ohm • 90W RMS x 2 chan. @ 2 ohm • 250W Max x 2 chan. • MOSFET power supply • Micro Class AB Amplifier Topology • Focused Mass Aluminum Heat Sink • Full-Range Preamp RCA output

MB Quart NA1-400.2

400W 2 Channel NA Series Full Range Class D Powersports/Marine Amplifier

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MB Quart NA1-400.2

400W 2 Channel NA Series Full Range Class D Powersports/Marine Amplifier

• RMS Power: 200W x 2 @ 4 ohm
• Total Power: 400W
• Frequency Response: 20-20,000 Hz
• Dimensions: 3.7" W x 5.5" L x 1.7" H

• RMS Power: 200W x 2 @ 4 ohm
• Total Power: 400W
• Frequency Response: 20-20,000 Hz
• Dimensions: 3.7" W x 5.5" L x 1.7" H

MB Quart DA1-500.2

500W 2-Channel Discus Series Full Range Car Amplifier

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MB Quart DA1-500.2

500W 2-Channel Discus Series Full Range Car Amplifier

• RMS: 125W x 2 @ 4 ohm, 250W x 2 @ 2 ohm, Bridged: 500W x 1 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 11.10" L x 2.20" H

1

• RMS: 125W x 2 @ 4 ohm, 250W x 2 @ 2 ohm, Bridged: 500W x 1 @ 4 ohm
• Variable Low-Pass & High-Pass Filters
• Bass Boost: 0 ~ 12 dB
• Focused mass aluminum heat sinks
• 9.00" W x 11.10" L x 2.20" H

MB Quart RA320.2

320W 2-Channel Reference Series Class SQ Stereo/Bridgeable Power Amplifier (RA3202)

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MB Quart RA320.2

320W 2-Channel Reference Series Class SQ Stereo/Bridgeable Power Amplifier (RA3202)

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

3

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

** LAST ONE LEFT! ** MB Quart RAA2400

Reference Series 2-Channel Amplifier (RAA 2400)

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** LAST ONE LEFT! ** MB Quart RAA2400

Reference Series 2-Channel Amplifier (RAA 2400)

800 watt RMS 2-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 watt RMS 2-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 XA1-240.2

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

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MB Quart XA1-240.2

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

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    MB Quart 2-Channel Amplifiers Information

    A 2 channel car amplifier from MB Quart will provide your vehicle with the power it requires. These amps can operate two channels and MB Quart is a leader in amplification solutions. Power your speakers with an MB Quart 2-channel amplifier for a great all-around sound.
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