Garage
Shop

Discontinued Monoblock Amplifiers

Loading...
Match Amps to Subs
Filters

Find compatible amplifiers for subs you own or want with our powerful AmpliFinder® tool.

Match Amps to Subs

Shop the Category

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

Cerwin-Vega HED500.1 Open Box

500W MAX, HED Series Monoblock Class AB Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W MAX, HED Series Monoblock Class AB Car Amplifier

HED Series Monoblock Class AB Car Amplifier • 150W RMS x 1-Chan. @ 4 ohm • 250W RMS x 1-Chan. @ 2 ohm • PWM MOSFET Power Supply • 12dB Vega Bass Boost • Low/High Level Inputs • Variable High Pass Filter • Remote Bass Level Control Included

HED Series Monoblock Class AB Car Amplifier • 150W RMS x 1-Chan. @ 4 ohm • 250W RMS x 1-Chan. @ 2 ohm • PWM MOSFET Power Supply • 12dB Vega Bass Boost • Low/High Level Inputs • Variable High Pass Filter • Remote Bass Level Control Included

Pioneer Premier PRS-D1200M R/B

1200W Max, Class D Monoblock Premier PRS Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W Max, Class D Monoblock Premier PRS Series Amplifier

Premier PRS Series Class D Monoblock Car Amplifier • 150W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 600W x 1 chan. @ 1 ohm • 1200W x 1 chan. Max • MASS (Multi Amplifier Synchronization System) • Gold-plated connectors

Premier PRS Series Class D Monoblock Car Amplifier • 150W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 600W x 1 chan. @ 1 ohm • 1200W x 1 chan. Max • MASS (Multi Amplifier Synchronization System) • Gold-plated connectors

Kicker 11ZX1500.1, Open Box (Very Good, Used)

1500W RMS, Class D Monoblock ZX Series Amplifier (ZX15001)

Go to item page Right Arrow Icon of Right Arrow

1500W RMS, Class D Monoblock ZX Series Amplifier (ZX15001)

• Item Condition - Very Good, Used
ZX Series Class D Monoblock Car Amplifier • 750W x 1 chan. @ 4 ohm • 1500W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization

• Item Condition - Very Good, Used
ZX Series Class D Monoblock Car Amplifier • 750W x 1 chan. @ 4 ohm • 1500W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization

Hifonics Brutus BRX2016.1D Monoblock Amplifier (Open Box)

2000 Watt Monoblock Brutus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Brutus 2000 Watt)

Go to item page Right Arrow Icon of Right Arrow

2000 Watt Monoblock Brutus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Brutus 2000 Watt)

• RMS Power: 700W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 14.7" L x 2.4" H

• RMS Power: 700W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 14.7" L x 2.4" H

Kicker KX2400.1 (Open Box)

2400W RMS KX Series Monoblock Class D Car Power Amplifier (KX 2400.1)

Go to item page Right Arrow Icon of Right Arrow

2400W RMS KX Series Monoblock Class D Car Power Amplifier (KX 2400.1)

• RMS: 1200W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm
• Total Peak Power: 3200W
• CEA-2006 Compliant
• Kick EQ+ Bass Boost: 0-18 dB from 20-80 Hz
• Magnetic Panel Covers Controls
• Dimensions: 8-5/16"W x 15-1/2"L x 2-1/8"H

• RMS: 1200W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm
• Total Peak Power: 3200W
• CEA-2006 Compliant
• Kick EQ+ Bass Boost: 0-18 dB from 20-80 Hz
• Magnetic Panel Covers Controls
• Dimensions: 8-5/16"W x 15-1/2"L x 2-1/8"H

Kicker ZXS1500.1 (12ZXS1500.1) Like New

Like New 1500W RMS, Class D Monoblock ZX Series Amplifier (ZXS15001)

Go to item page Right Arrow Icon of Right Arrow

Like New 1500W RMS, Class D Monoblock ZX Series Amplifier (ZXS15001)

• ZX Series Class D Monoblock Car Amplifier
• 1000W x 1 chan. @ 4 ohm
• 1500W x 1 chan. @ 2 ohm
• Balanced Differential Inputs
• Muting Circuit
• Top Mounted Controls
• Optional Vinyl Skins For Personalization

• ZX Series Class D Monoblock Car Amplifier
• 1000W x 1 chan. @ 4 ohm
• 1500W x 1 chan. @ 2 ohm
• Balanced Differential Inputs
• Muting Circuit
• Top Mounted Controls
• Optional Vinyl Skins For Personalization

Alphasonik PMA800HCA R/B

Factory Refurbished 2-Channel High Current Amplifier

Go to item page Right Arrow Icon of Right Arrow

Factory Refurbished 2-Channel High Current Amplifier

Monoblock High Current Power Amplifier • 800W RMS x 1 @ 4 • 2900W RMS x 1 @ 1 • Hour Meter • Remote Voltmeter • Bass Remote • ANL Fuse Holder and Fuse • Acrylic Cover

Monoblock High Current Power Amplifier • 800W RMS x 1 @ 4 • 2900W RMS x 1 @ 1 • Hour Meter • Remote Voltmeter • Bass Remote • ANL Fuse Holder and Fuse • Acrylic Cover

JBL GTO-751EZ LIKE NEW

Monoblock GTO Series Class D Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

Monoblock GTO Series Class D Car Amplifier

Like New condition, Outer box damage
• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 12"L x 2-5/8"H

Like New condition, Outer box damage
• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 12"L x 2-5/8"H

Orion HCCA-D2400 Open Box

2400W Max, HCCA High Current Competition Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

2400W Max, HCCA High Current Competition Class D Monoblock Amplifier

2400W HCCA High Current Competition Class D Monoblock Amplifier • 425W x 1 chan. @ 4 Ohm • 800W x 1 chan. @ 2 Ohm • 1 Ohm: 1200 watts x 1 chan. • MOSFET power supply • CEA-2006 compliant

2400W HCCA High Current Competition Class D Monoblock Amplifier • 425W x 1 chan. @ 4 Ohm • 800W x 1 chan. @ 2 Ohm • 1 Ohm: 1200 watts x 1 chan. • MOSFET power supply • CEA-2006 compliant

Lanzar OPTI2000D OPEN BOX COMPLETE

4000W Max Monoblock Class D OptiDrive Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

4000W Max Monoblock Class D OptiDrive Series Car Amplifier

Item is used, has been previously installed, and outer box has been ripped < br/>• RMS: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 1600W x 1 @ 1.3 ohm
• Total Peak Power: 4000W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 19-1/8"L x 10-11/16"W x 2-1/8"H

Item is used, has been previously installed, and outer box has been ripped < br/>• RMS: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 1600W x 1 @ 1.3 ohm
• Total Peak Power: 4000W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 19-1/8"L x 10-11/16"W x 2-1/8"H

Autotek M1500.1D (Factory Refurbished)

1500W Max Mean Machine Series Monoblock Class D Car Audio Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W Max Mean Machine Series Monoblock Class D Car Audio Amplifier

Mean Machine Series Monoblock Class D Car Amplifier • 1500 Watts Max • 750 Watts x 1 Chan. @ 2 Ohm • 4-Way System Protection • Selectable Highpass/Lowpass Filters

Mean Machine Series Monoblock Class D Car Amplifier • 1500 Watts Max • 750 Watts x 1 Chan. @ 2 Ohm • 4-Way System Protection • Selectable Highpass/Lowpass Filters

Power Acoustik GT1-4500D OPEN BOX COMPLETE

4500W Max Monoblock Gothic Series Class D Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

4500W Max Monoblock Gothic Series Class D Car Amplifier

Item is used and has been previously installed
• RMS: 1700W x 1 @ 4 ohm, 2200W x 1 @ 2 ohm, 2700W x 1 @ 1 ohm
• Total Peak Power: 4500W
• Class D Circuitry
• Bass Boost: 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 14-3/4"L x 9-3/4"W x 2-3/10"H

Item is used and has been previously installed
• RMS: 1700W x 1 @ 4 ohm, 2200W x 1 @ 2 ohm, 2700W x 1 @ 1 ohm
• Total Peak Power: 4500W
• Class D Circuitry
• Bass Boost: 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 14-3/4"L x 9-3/4"W x 2-3/10"H

Planet Audio AC1500.1M (Factory Refurbished)

1500W Max Anarchy Series Monoblock Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W Max Anarchy Series Monoblock Power Amplifier

• 4 ohm: 700 watts x 1 chan.
• 2 ohm: 1100 watts x 1 chan.
• Peak: 1500W x 1 @ 2 ohm
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 10"L x 10"W x 2-3/16"H

• 4 ohm: 700 watts x 1 chan.
• 2 ohm: 1100 watts x 1 chan.
• Peak: 1500W x 1 @ 2 ohm
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 10"L x 10"W x 2-3/16"H

Orion Cobalt CO8001 (CO800.1) R/B

800W Max Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

800W Max Monoblock Car Amplifier

Cobalt Series Monoblock Single-Channel Class A/B Car Amplifier • 300W x 1 Chan. @ 4 Ohm • 400W x 1 Chan. @ 2 Ohm • 800W Max • Speaker-Level Inputs • Selectable Bass Boost • LED Power Indicators

Cobalt Series Monoblock Single-Channel Class A/B Car Amplifier • 300W x 1 Chan. @ 4 Ohm • 400W x 1 Chan. @ 2 Ohm • 800W Max • Speaker-Level Inputs • Selectable Bass Boost • LED Power Indicators

Cerwin-Vega STEALTH500.1

500W RMS, Stealth Series Monoblock Class D Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W RMS, Stealth Series Monoblock Class D Car Amplifier

Stealth Series Monoblock Class D Car Amplifier • 200W RMS x 1-Chan. @ 4 ohm • 325W RMS x 1-Chan. @ 2 ohm • 500W RMS x 1-Chan. @ 4 ohm Bridged • PWM MOSFET Power Supply • 12dB Vega Bass Boost • Low Level Inputs • Variable Low Filter • Differential-Balanced Inputs • Wired Remote Bass Level Control

Stealth Series Monoblock Class D Car Amplifier • 200W RMS x 1-Chan. @ 4 ohm • 325W RMS x 1-Chan. @ 2 ohm • 500W RMS x 1-Chan. @ 4 ohm Bridged • PWM MOSFET Power Supply • 12dB Vega Bass Boost • Low Level Inputs • Variable Low Filter • Differential-Balanced Inputs • Wired Remote Bass Level Control

Power Acoustik A3000DB R/B

3000W Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W Class D Monoblock Amplifier

Power Acoustik Monoblock Class D Car Amplifier • 3000W Max • 2300W x 1 Chan. @ 1 Ohm • 1800 x 1 Chan. @ 2 Ohm • 1100 x 1 Chan. @ 4 Ohm • High Speed Digital Circuitry • Bridging Synchronization • Power Indicator

Power Acoustik Monoblock Class D Car Amplifier • 3000W Max • 2300W x 1 Chan. @ 1 Ohm • 1800 x 1 Chan. @ 2 Ohm • 1100 x 1 Chan. @ 4 Ohm • High Speed Digital Circuitry • Bridging Synchronization • Power Indicator

Hifonics X2200.1D Open Box

2200W BRUTUS X-14 Series Class-D Monoblock 1-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

2200W BRUTUS X-14 Series Class-D Monoblock 1-Channel Amplifier

• RMS Power: 950W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Total Peak Power: 2200W
• Variable Low Pass Filter
• 13.39"W x 2.5"H x 9.49"L

• RMS Power: 950W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Total Peak Power: 2200W
• Variable Low Pass Filter
• 13.39"W x 2.5"H x 9.49"L

Kenwood KAC-9106D Open Box Complete

1000W RMS Class D Monoblock Performance Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Class D Monoblock Performance Series Car Amplifier

  • Item Condition: Open Box complete
  • • RMS Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
    • Total Peak Power: 2000W
    • CEA-2006 Compliant
    • Dimensions: 13-13/16"W x 7-9/16" D x 2-3/16"

  • Item Condition: Open Box complete
  • • RMS Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
    • Total Peak Power: 2000W
    • CEA-2006 Compliant
    • Dimensions: 13-13/16"W x 7-9/16" D x 2-3/16"

    SPL GRLA 5500/1D (GRLA5500/1D) R/B

    5500W Max, Gorilla Series Class D Digital Monoblock Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    5500W Max, Gorilla Series Class D Digital Monoblock Amplifier

    Gorilla Series Class D Digital Monoblock Car Amplifier • 1700 Watts x 1 Chan @ 4 Ohm • 2500 Watts x 1 Chan. @ 2 Ohm • 3200 Watts x 1 Chan @ 1 Ohm • Regulated MOSFET PMW Power Supply • Preamp RCA Outputs • Silver Texture

    Gorilla Series Class D Digital Monoblock Car Amplifier • 1700 Watts x 1 Chan @ 4 Ohm • 2500 Watts x 1 Chan. @ 2 Ohm • 3200 Watts x 1 Chan @ 1 Ohm • Regulated MOSFET PMW Power Supply • Preamp RCA Outputs • Silver Texture

    Hifonics BRX1100.1D (Factory Refurbished)

    1100W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    1100W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

    • RMS: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
    • Total RMS Power: 1100W
    • CEA-2006 Compliant
    • Bass Boost: 0-10 dB at 40 Hz
    • Aluminum Alloy Heatsink with Illuminated Hifonics Logo
    • Dimensions: 14-3/8"L x 10-5/16"W x 2-1/2"H

    • RMS: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
    • Total RMS Power: 1100W
    • CEA-2006 Compliant
    • Bass Boost: 0-10 dB at 40 Hz
    • Aluminum Alloy Heatsink with Illuminated Hifonics Logo
    • Dimensions: 14-3/8"L x 10-5/16"W x 2-1/2"H

    Items per page: 20 40 60

      Clear all

      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.
      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

      2004 Dodge Intrepid

      2000 Chevrolet S10

      2025 Audi RS7

      1967 Buick Riviera

      2006 Dodge Durango

      2014 Ford Fiesta

      2008 Lotus Exige

      2021 Lamborghini Urus

      1996 BMW 750iL

      2014 Toyota Avalon

      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.