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Discontinued Monoblock Amplifiers

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Autotek ATX2000.1

2000W Max 1-Channel Monoblock Class AB ATX Series Amplifier

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2000W Max 1-Channel Monoblock Class AB ATX Series Amplifier

Monoblock Class AB ATX Series Car Amplifier • PWM MOSFET Power Supply • Bass Boost • Soft Start Turn-On • High Level Inputs • Preamp RCA Outputs • 4-Way System Protection Circuitry • Flat Panel Heatsink Design • Subsonic Filter

Monoblock Class AB ATX Series Car Amplifier • PWM MOSFET Power Supply • Bass Boost • Soft Start Turn-On • High Level Inputs • Preamp RCA Outputs • 4-Way System Protection Circuitry • Flat Panel Heatsink Design • Subsonic Filter

Hifonics ZRX1200.1D OPEN BOX COMPLETE

1200W Max Class D Monoblock Zeus Series Amplifier

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1200W Max Class D Monoblock Zeus Series Amplifier

• Peak: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 1200W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 45 Hz
• Wired Bass Remote Included
• Dimensions: 12"L x 10"W x 2-7/16"H

• Peak: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 1200W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 45 Hz
• Wired Bass Remote Included
• Dimensions: 12"L x 10"W x 2-7/16"H

Boss DD2600 R/B

(Factory Refurbished) 2600W Max, Class D Monoblock Diablo Series Amplifier

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(Factory Refurbished) 2600W Max, Class D Monoblock Diablo Series Amplifier

Diablo Series Class D Monoblock Car Amplifier • 900 x 1 chan. @ 4 ohm • 1350 x 1 chan. @ 2 ohm • 2600W x 1 chan. Max • Remote subwoofer control • Variable low pass crossover (24dB) • Input sensitivity selector

Diablo Series Class D Monoblock Car Amplifier • 900 x 1 chan. @ 4 ohm • 1350 x 1 chan. @ 2 ohm • 2600W x 1 chan. Max • Remote subwoofer control • Variable low pass crossover (24dB) • Input sensitivity selector

Phoenix Gold Ryval V8001 Open Box

(Open Box) 1600W Max, Class D Monoblock Amplifier

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(Open Box) 1600W Max, Class D Monoblock Amplifier

Ryval Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 800W x 1 chan. @ 2 ohm • 1600W x 1 chan. Max • Low pass level input (remote level control sold separately) • Speaker-level inputs • Preamp RCA outputs

Ryval Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 800W x 1 chan. @ 2 ohm • 1600W x 1 chan. Max • Low pass level input (remote level control sold separately) • Speaker-level inputs • Preamp RCA outputs

Memphis 16-MCD1000 FACTORY R/B

REFURBISHED Class D Monoblock Amplifier

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REFURBISHED Class D Monoblock Amplifier

Class-D Monoblock Amplifier • 600W RMS x 1 @ 2 • 1100W RMS x 1 @ 1 • Adjustable Input Sensitivity • Compact Aluminum Chassis with Black Pearl Finish • Built-in Low-Pass and Subsonic Filters • Full MOSFET Design

Class-D Monoblock Amplifier • 600W RMS x 1 @ 2 • 1100W RMS x 1 @ 1 • Adjustable Input Sensitivity • Compact Aluminum Chassis with Black Pearl Finish • Built-in Low-Pass and Subsonic Filters • Full MOSFET Design

Refurbished Rockford Fosgate LS-T2500-1bdCP-RB

Refurbished 2500W RMS Constant Power Series Class D Monoblock Amplifier

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Refurbished 2500W RMS Constant Power Series Class D Monoblock Amplifier

• RMS: 1500W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total RMS Power: 2500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 21-7/8"L x 8-3/16"W x 2-3/16"H

• RMS: 1500W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total RMS Power: 2500W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB at 45 Hz
• Ultra Efficient Class bD Circuitry
• Dimensions: 21-7/8"L x 8-3/16"W x 2-3/16"H

Orion XTR10001 (XTR 10001) R/B (Core Only)

Factory Refurbished 2000W Max Class D Monoblock XTR Series Amplifier

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Factory Refurbished 2000W Max Class D Monoblock XTR Series Amplifier

XTR Class D Monoblock Car Amplifier • 250W x 1 Chan. @ 4 Ohm • 500W x 1 Chan. @ 2 Ohm • 1000W x 1 Chan. @ 1 Ohm • 2000W Max Output • Tuned Bass EQ • IntelliQ Bass Optimization Circuit • Compact Size • Includes Bass Remote

XTR Class D Monoblock Car Amplifier • 250W x 1 Chan. @ 4 Ohm • 500W x 1 Chan. @ 2 Ohm • 1000W x 1 Chan. @ 1 Ohm • 2000W Max Output • Tuned Bass EQ • IntelliQ Bass Optimization Circuit • Compact Size • Includes Bass Remote

Audiobahn A6005DN R/B

600W Max, Intake Series Class D Monoblock Amplifier (Factory Refurbished)

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600W Max, Intake Series Class D Monoblock Amplifier (Factory Refurbished)

600W Max, Class D Intake Series Monoblock Amplifier • 300W RMS x 1 @ 2 • 150W RMS x 1 @ 4 • High and Low Level Inputs • 0-18dB Bass Boost • Variable Low-Pass and Subsonic Filters

600W Max, Class D Intake Series Monoblock Amplifier • 300W RMS x 1 @ 2 • 150W RMS x 1 @ 4 • High and Low Level Inputs • 0-18dB Bass Boost • Variable Low-Pass and Subsonic Filters

Audiobahn A18001DT

3600W Max, Class D MonoBlock Amplifier

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3600W Max, Class D MonoBlock Amplifier

Class D Monoblock Amplifier • 3600W Max • 1800W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

Class D Monoblock Amplifier • 3600W Max • 1800W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

Pioneer GM-D9601 Open Box Complete

1200W RMS GM Digital Series Class D Monoblock Amplifier

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1200W RMS GM Digital Series Class D Monoblock Amplifier

  • Item Condition: Open Box Complete
  • • RMS: 500W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 12-3/8"W x 7-7/8"D x 2-3/8"H

  • Item Condition: Open Box Complete
  • • RMS: 500W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 12-3/8"W x 7-7/8"D x 2-3/8"H

    Orion CO3200.1D OPEN BOX COMPLETE

    3200W Max Cobalt Series Class D Monoblock Car Amplifier

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    3200W Max Cobalt Series Class D Monoblock Car Amplifier

    • Item Condition: Open Box Complete
    • RMS: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 1600W x 1 @ 1 ohm
    • Total Peak Power: 3200W
    • CEA-2006 Compliant
    • Bass Boost: 0-18 dB
    • Class D Circuitry
    • Dimensions: 14-15/16"L x 7-1/2"W x 2"H

    • Item Condition: Open Box Complete
    • RMS: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 1600W x 1 @ 1 ohm
    • Total Peak Power: 3200W
    • CEA-2006 Compliant
    • Bass Boost: 0-18 dB
    • Class D Circuitry
    • Dimensions: 14-15/16"L x 7-1/2"W x 2"H

    Audiobahn A8001DT R/B

    1600W Max, Class D MonoBlock Amplifier (Factory Refurbished)

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    1600W Max, Class D MonoBlock Amplifier (Factory Refurbished)

    Class D Monoblock Amplifier • 1600W Max • 800W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

    Class D Monoblock Amplifier • 1600W Max • 800W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

    MTX Audio XThunder X1000D Open Box

    3000W Max, Class D Monoblock X Thunder Amplifier (Same amp as 1000XD)

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    3000W Max, Class D Monoblock X Thunder Amplifier (Same amp as 1000XD)

    3000W Max, Class D Monoblock Amplifier • 700W x 1 Chan. @ 4ohm • 1000W x 1 Chan. @ 2ohm • 3000W x 1 Chan. Max • Remote Bass Control • Tuned Bass EQ • LED Power Indicator • Anodized Finish • Heavy Duty Aluminum

    3000W Max, Class D Monoblock Amplifier • 700W x 1 Chan. @ 4ohm • 1000W x 1 Chan. @ 2ohm • 3000W x 1 Chan. Max • Remote Bass Control • Tuned Bass EQ • LED Power Indicator • Anodized Finish • Heavy Duty Aluminum

    Kole Audio QX1-3000D R/B

    3000W Max Class D Monoblock Amplifier

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    3000W Max Class D Monoblock Amplifier

    QX Series Single-Channel Class D Car Amplifier • 1100W x 1 Chan @ 4 ohm • 1800W x 1 Chan @ 2 ohm • 3000 watts Max • Wired Remote Bass • Tuned Bass EQ • 1 Ohm Stable • Four Way Protection Circuit • Preamp RCA Outputs

    QX Series Single-Channel Class D Car Amplifier • 1100W x 1 Chan @ 4 ohm • 1800W x 1 Chan @ 2 ohm • 3000 watts Max • Wired Remote Bass • Tuned Bass EQ • 1 Ohm Stable • Four Way Protection Circuit • Preamp RCA Outputs

    MTX RFL600D Open Box

    (Open Box) 1200W Max, RFL Series Class D Monoblock Amplifier

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    (Open Box) 1200W Max, RFL Series Class D Monoblock Amplifier

    Single-Channel Monoblock Car Amplifier • RFL Series • Adaptive Class D Technology • 1200 Watts Max • 600 Watts @ 2 ohm • 350 Watts @ 4 ohm • Active Fan Cooling • Bass Boost • EBC • CEA-2006 compliant

    Single-Channel Monoblock Car Amplifier • RFL Series • Adaptive Class D Technology • 1200 Watts Max • 600 Watts @ 2 ohm • 350 Watts @ 4 ohm • Active Fan Cooling • Bass Boost • EBC • CEA-2006 compliant

    Massive Audio BP2000.1 Open Box (Complete)

    2000W Max (1000W RMS) BLADE BP Series Class-D Monoblock 1 ohm Stable Amplifier

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    2000W Max (1000W RMS) BLADE BP Series Class-D Monoblock 1 ohm Stable Amplifier

    • 500W RMS x 1 @ 4 ohm
    • 900 RMS x 1 @ 2 ohm
    • 1000 Watts RMS x 1 @ 1 ohm
    • Total Peak Power: 2000 Watts
    • CTA-2006 Compliant
    • Built-In OEM Line Converter
    • Aluminum Heatsink
    • Dimensions: 7.1" W x 13.4" L x 2" H

    • 500W RMS x 1 @ 4 ohm
    • 900 RMS x 1 @ 2 ohm
    • 1000 Watts RMS x 1 @ 1 ohm
    • Total Peak Power: 2000 Watts
    • CTA-2006 Compliant
    • Built-In OEM Line Converter
    • Aluminum Heatsink
    • Dimensions: 7.1" W x 13.4" L x 2" H

    Autotek SMA2100.1 OPEN BOX COMPLETE

    2100W Monoblock Street Machine Series Class D Amplifier

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    2100W Monoblock Street Machine Series Class D Amplifier

    Used and previously installed
    • RMS: 600W x 1 @ 4 ohm, 1050W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
    • Pulse Width Modulated MOSFET power supply
    •Nickel plated brass connections
    • Built-in Variable Low-Pass and Subsonic Filter
    • Heavy duty aluminum alloy heat-sink for extreme heat dissipation

    Used and previously installed
    • RMS: 600W x 1 @ 4 ohm, 1050W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
    • Pulse Width Modulated MOSFET power supply
    •Nickel plated brass connections
    • Built-in Variable Low-Pass and Subsonic Filter
    • Heavy duty aluminum alloy heat-sink for extreme heat dissipation

    Massive Audio N4 (Open Box)

    4000W Max Nano Block Series Monoblock Amplifier (Open Box)

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    4000W Max Nano Block Series Monoblock Amplifier (Open Box)

    Massive Audio N4 Nano Block Series Monoblock Car Amplifier • 4000W Max • 1 ohm Stable • MOSFET Power Supply • LED Power/Protect Indicators • Ultimate Mounting Flexibility • Mill Spec Double Sided PCB with SMD Parts

    Massive Audio N4 Nano Block Series Monoblock Car Amplifier • 4000W Max • 1 ohm Stable • MOSFET Power Supply • LED Power/Protect Indicators • Ultimate Mounting Flexibility • Mill Spec Double Sided PCB with SMD Parts

    Precision Power PPI PDX-10K (Rare Competition Amplifier) (Open Box)

    10,000W RMS, Monoblock Class D PDX Series Car Amplifier

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    10,000W RMS, Monoblock Class D PDX Series Car Amplifier

    • RMS: 3700W x 1 @ 2 ohm, 6100W x 1 @ 1 ohm, 10000W x 1 @ 0.5 ohm
    • Total RMS Power: 10000W
    • CEA-2006 Compliant
    • Bass Boost: 0-18 dB
    • Class D Circuitry
    • Dimensions: 12-5/8"W x 23-1/4"L x 2-3/4"H

    • RMS: 3700W x 1 @ 2 ohm, 6100W x 1 @ 1 ohm, 10000W x 1 @ 0.5 ohm
    • Total RMS Power: 10000W
    • CEA-2006 Compliant
    • Bass Boost: 0-18 dB
    • Class D Circuitry
    • Dimensions: 12-5/8"W x 23-1/4"L x 2-3/4"H

    Cerwin-Vega XED71200.1M (Open Box, Complete)

    1200W Max (450W RMS) XED Series Class-A/B Monoblock 2 Ohm Stable Amplifier with Bass Knob Included

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    1200W Max (450W RMS) XED Series Class-A/B Monoblock 2 Ohm Stable Amplifier with Bass Knob Included

    • 300 Watts RMS x 1 @ 4 ohm
    • 400 Watts RMS x 1 @ 2 ohm
    • Total Peak Power: 1200 Watts
    • Built-In Low-Pass Filter
    • 0-9 Vega Boost Bass Boost
    • Aluminum Heatsink
    • Dimensions: 8.875" x 15.7" x 2.187"

    • 300 Watts RMS x 1 @ 4 ohm
    • 400 Watts RMS x 1 @ 2 ohm
    • Total Peak Power: 1200 Watts
    • Built-In Low-Pass Filter
    • 0-9 Vega Boost Bass Boost
    • Aluminum Heatsink
    • Dimensions: 8.875" x 15.7" x 2.187"

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      FAQ Frequently asked questions in Discontinued Monoblock Amplifiers


      A monoblock amplifier is a single-channel amplifier designed to power a single speaker or subwoofer. Unlike multi-channel amplifiers that can power multiple speakers simultaneously, a monoblock amplifier is dedicated to driving a specific speaker, typically a subwoofer. The advantage of a monoblock amplifier lies in its specialized design, which allows it to deliver higher power output to the subwoofer without interference from other speakers. This dedicated power delivery results in enhanced bass response and cleaner, more impactful low-frequency reproduction, making monoblock amplifiers a popular choice for car audio enthusiasts seeking powerful bass performance.
      Monoblock amplifiers are specifically designed to power subwoofers and are not intended for use with other speakers in your audio system. They usually have a single output channel optimized for low-frequency signals, making them unsuitable for driving mid-range or high-frequency speakers. For other speakers like door speakers or tweeters, you should use multi-channel amplifiers or dedicated channels on an audio processor. Using a monoblock amplifier for full-range speakers can result in poor audio performance and potential damage to the speakers.
      Monoblock amplifiers are compatible with most subwoofers, but it's crucial to consider the amplifier's power output and the subwoofer's power handling capabilities. The amplifier's power rating should match or slightly exceed the subwoofer's RMS power handling to ensure optimal performance and prevent overloading the subwoofer. Additionally, check the impedance (ohms) of both the amplifier and the subwoofer to ensure they match. Most monoblock amplifiers can handle both 2-ohm and 4-ohm loads, but some can also operate at 1-ohm, providing flexibility in subwoofer wiring configurations.
      No, monoblock amplifiers are not designed for bridging, as they are already single-channel amplifiers dedicated to powering a single subwoofer. Attempting to bridge a monoblock amplifier can cause damage to the amplifier and subwoofers. If you need to power multiple subwoofers, consider using multi-channel amplifiers or multiple monoblock amplifiers, each dedicated to driving a separate subwoofer. Sonic Electronix offers a wide selection of multi-channel amplifiers that can power multiple subwoofers simultaneously, ensuring optimal performance and protection for your audio system.
      Monoblock amplifiers can generate a significant amount of heat, especially when driving powerful subwoofers at high volume levels. While they don't require special cooling or ventilation compared to other amplifier types, it's essential to provide adequate airflow around the amplifier to dissipate heat effectively. Avoid mounting the amplifier in enclosed spaces or areas with limited ventilation, as this can lead to overheating and reduced performance. In some cases, installing a cooling fan or using amplifier cooling solutions can help maintain optimal operating temperatures. If you have concerns about amplifier heat, Sonic Electronix's knowledgeable staff can recommend suitable cooling solutions for your specific setup. Monoblock amplifiers are an excellent choice for enhancing the bass performance in your car audio system, providing dedicated power delivery to your subwoofers for impactful and detailed low-frequency sound reproduction. When used correctly and matched with the right subwoofers, monoblock amplifiers can elevate your car audio experience to new depths of bass excellence.
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