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.

Hifonics ZRX3000.1D (Factory Refurbished)

3000W Max, Class D Monoblock Zeus Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W Max, Class D Monoblock Zeus Series Amplifier

Zeus Series Single Channel Monoblock Class D Car Amplifier • 4 ohm: 750 watts x 1 chan. • 2 ohm: 1500 watts x 1 chan. • 1 ohm: 3000 watts x 1 chan. • Pulse Width Modulated (PWM) MOSFET Power Supply

Zeus Series Single Channel Monoblock Class D Car Amplifier • 4 ohm: 750 watts x 1 chan. • 2 ohm: 1500 watts x 1 chan. • 1 ohm: 3000 watts x 1 chan. • Pulse Width Modulated (PWM) MOSFET Power Supply

Cadence ZA12KW

24,000W Monoblock ZRS Series Class D Competition Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

24,000W Monoblock ZRS Series Class D Competition Car Amplifier

• RMS: 3000W x 1 @ 4 ohm, 6000W x 1 @ 2 ohm, 12,000W x 1 @ 1 ohm
• Total Peak Power: 24,000W
• Twin Amp Bridgeable for 2x Power Output
• 18V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 14"W x 45"L x 5"H

• RMS: 3000W x 1 @ 4 ohm, 6000W x 1 @ 2 ohm, 12,000W x 1 @ 1 ohm
• Total Peak Power: 24,000W
• Twin Amp Bridgeable for 2x Power Output
• 18V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 14"W x 45"L x 5"H

PowerBass Xtreme XAX-500D Factory Refurbished

500W RMS XAX Series Class D Monoblock Mini Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W RMS XAX Series Class D Monoblock Mini Amplifier

• Item Condition: Factory Refurbished
XAX Series Monoblock Class D Mini Car Amplifier • 1000W MAX • High Efficiency SMD Circuit Technology • Damping Control Circuit • Blue LED Logo, Power And Speaker Terminal Lighting • Platinum-Plated Tiffany RCA Inputs

• Item Condition: Factory Refurbished
XAX Series Monoblock Class D Mini Car Amplifier • 1000W MAX • High Efficiency SMD Circuit Technology • Damping Control Circuit • Blue LED Logo, Power And Speaker Terminal Lighting • Platinum-Plated Tiffany RCA Inputs

Complete Bass Combo Package

Rockford Fosgate Prime R500X1D + (2) JBL GT5-12 Subs + Belva BBX212BL Enclosure + Belva BAK42 Amplifier Wiring Kit

Go to item page Right Arrow Icon of Right Arrow

Rockford Fosgate Prime R500X1D + (2) JBL GT5-12 Subs + Belva BBX212BL Enclosure + Belva BAK42 Amplifier Wiring Kit

• Prime Series Class D Monoblock Car Amplifier
• RMS: 4 ohm: 300 watts x 1 chan. 2 ohm: 500 watts x 1 chan.
• 12" GT Series Subwoofer (2)
• Peak: 1100 watts, RMS: 275 watts
• 12" Dual Ported Subwoofer Enclosure
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

• Prime Series Class D Monoblock Car Amplifier
• RMS: 4 ohm: 300 watts x 1 chan. 2 ohm: 500 watts x 1 chan.
• 12" GT Series Subwoofer (2)
• Peak: 1100 watts, RMS: 275 watts
• 12" Dual Ported Subwoofer Enclosure
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

Boss PH4000D R/B

Refurbished 4000W Max, Phantom Series Class D Monoblock Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

Refurbished 4000W Max, Phantom Series Class D Monoblock Power Amplifier

Phantom Series Monoblock Class A/B Car Amplifier • 1600W x 1 Chan. @ 4 ohm • 4000W Max • MOSFET PWM Power Supply • Includes Bass Remote • 0 +/- 18 dB Bass Boost • Thermal and Speaker Short Protection

Phantom Series Monoblock Class A/B Car Amplifier • 1600W x 1 Chan. @ 4 ohm • 4000W Max • MOSFET PWM Power Supply • Includes Bass Remote • 0 +/- 18 dB Bass Boost • Thermal and Speaker Short Protection

Autotek ATA2000.1 OPEN BOX COMPLETE

2000W Monoblock ATA Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

2000W Monoblock ATA Series Car Amplifier

Item is used
• Max Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total Peak Power: 2000W
• Adjustable 12dB Crossovers
• Dimensions: 9.45" W x 15.75" L x 2.08" H

Item is used
• Max Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total Peak Power: 2000W
• Adjustable 12dB Crossovers
• Dimensions: 9.45" W x 15.75" L x 2.08" H

Pioneer GM-D9601 OPEN BOX COMPLETE

1200W RMS GM Digital Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W RMS GM Digital Series Class D Monoblock Amplifier

Used and box is damaged
• 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

Used and box is damaged
• 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

AudioControl The Epicenter 1200 (Open Box)

1200W RMS Monoblock Epicenter Series Class D Amplifier w/ The Epicenter Bass Restoration Built-In

Go to item page Right Arrow Icon of Right Arrow

1200W RMS Monoblock Epicenter Series Class D Amplifier w/ The Epicenter Bass Restoration Built-In

• RMS: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• THE EPICENTER® Digital Bass Restoration Built-in
•MILC™ Maximum Input Level Control
• Line-Level RCA Inputs and Active Speaker-Level Inputs)
• ACR-3 Remote Control Included
• 7.95" W x 12.00" L x 2.10" H

• RMS: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• THE EPICENTER® Digital Bass Restoration Built-in
•MILC™ Maximum Input Level Control
• Line-Level RCA Inputs and Active Speaker-Level Inputs)
• ACR-3 Remote Control Included
• 7.95" W x 12.00" L x 2.10" H

DS18 EXL-P2500X1D

2500W RMS EXL Power Series Class-D Monoblock Amplifier with Bass Remote

Go to item page Right Arrow Icon of Right Arrow

2500W RMS EXL Power Series Class-D Monoblock Amplifier with Bass Remote

• 1000 watts x 1 channel @ 4 ohm
• 1800 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 1000 watts x 1 channel @ 4 ohm
• 1800 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Kicker ZX1000.1 (11ZX1000.1)

1000W RMS, Class D Monoblock ZX Series Amplifier (ZX10001)

Go to item page Right Arrow Icon of Right Arrow

1000W RMS, Class D Monoblock ZX Series Amplifier (ZX10001)

ZX Series Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W 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 • 500W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization

Kole Audio KX1-4000D

4000W Max, KX Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

4000W Max, KX Series Class D Monoblock Amplifier

KX Series Class D Monoblock Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • Fully regulated PWM MOSFET power supply • Preamp RCA outputs • Nickel-plated screw terminals

KX Series Class D Monoblock Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • Fully regulated PWM MOSFET power supply • Preamp RCA outputs • Nickel-plated screw terminals

Audiobahn A16000V

3200W Max, Intake Series MonoBlock Amplifier

Go to item page Right Arrow Icon of Right Arrow

3200W Max, Intake Series MonoBlock Amplifier

3200 watts Max, Class A/B Monoblock Amplifier • 1600 watts x 1 chan. @ 2 ohm • MOSFET Power Amplifier • Non-Regulated Power Supply • RCA and Speaker Level Inputs • RCA Outputs • Soft Start Circuitry

3200 watts Max, Class A/B Monoblock Amplifier • 1600 watts x 1 chan. @ 2 ohm • MOSFET Power Amplifier • Non-Regulated Power Supply • RCA and Speaker Level Inputs • RCA Outputs • Soft Start Circuitry

Sony XM-GS100 with $150 eGift Card

$150 eGift Card Included! 600W RMS Monoblock GS Series Class D Subwoofer Amplifier

Go to item page Right Arrow Icon of Right Arrow

$150 eGift Card Included! 600W RMS Monoblock GS Series Class D Subwoofer Amplifier

• 4 ohm: 330 watts x 1 chan.
• 2 ohm: 600 watts x 1 chan.
• Pulse Width Modulated MOSFET Power Supply
• Frequency response: 10-30,000 Hz
• Soft Start Turn-On

• 4 ohm: 330 watts x 1 chan.
• 2 ohm: 600 watts x 1 chan.
• Pulse Width Modulated MOSFET Power Supply
• Frequency response: 10-30,000 Hz
• Soft Start Turn-On

Orion XTR5001 (XTR 5001) R/B

Factory Refurbished 1000W Max XTR Series Class D Monoblock High Performance Car Audio Amplifier

Go to item page Right Arrow Icon of Right Arrow

Factory Refurbished 1000W Max XTR Series Class D Monoblock High Performance Car Audio Amplifier

XTR Class D Monoblock Car Amplifier • 125W x 1 Chan. @ 4 Ohm • 250W x 1 Chan. @ 2 Ohm • 500W x 1 Chan. @ 1 Ohm • 1000W Max Output • Tuned Bass EQ • IntelliQ Bass Optimization Circuit • Compact Size • Includes Bass Remote

XTR Class D Monoblock Car Amplifier • 125W x 1 Chan. @ 4 Ohm • 250W x 1 Chan. @ 2 Ohm • 500W x 1 Chan. @ 1 Ohm • 1000W Max Output • Tuned Bass EQ • IntelliQ Bass Optimization Circuit • Compact Size • Includes Bass Remote

MTX Audio JackHammer JH1200 (Factory Refurbished)

Refurbished 2400W Max, Class D Monoblock Jack Hammer Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

Refurbished 2400W Max, Class D Monoblock Jack Hammer Series Amplifier

• 2400 Watt MTX Audio JackHammer Series Class D Monoblock Amplifier
• 400 watts x 1 chan. @ 4 ohm
• 800 watts x 1 chan. @ 2 ohm
• 1200 watts x 1 chan. @ 1 ohm
• Tuned Bass EQ
• Internal Fan
• Low-Pass Filter
• CEA-2006 Compliant

• 2400 Watt MTX Audio JackHammer Series Class D Monoblock Amplifier
• 400 watts x 1 chan. @ 4 ohm
• 800 watts x 1 chan. @ 2 ohm
• 1200 watts x 1 chan. @ 1 ohm
• Tuned Bass EQ
• Internal Fan
• Low-Pass Filter
• CEA-2006 Compliant

Sony XM-ZZR3301 OPEN BOX COMPLETE

1100W Max ZR Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

1100W Max ZR Series Class D Monoblock Amplifier

  • Item Condition: Open Box Complete
  • • 330W RMS x 1 Chan. @ 4 Ohm
    • 600W RMS x 1 Chan. @ 2 Ohm
    • 1100W Max
    • High-Level Sensing Power On Feature
    • Gold Plated Speaker Terminals
    • Active Thermal Control

  • Item Condition: Open Box Complete
  • • 330W RMS x 1 Chan. @ 4 Ohm
    • 600W RMS x 1 Chan. @ 2 Ohm
    • 1100W Max
    • High-Level Sensing Power On Feature
    • Gold Plated Speaker Terminals
    • Active Thermal Control

    MTX Audio JackHammer JH300 R/B

    600W Max, Class D Monoblock Jack Hammer Series Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    600W Max, Class D Monoblock Jack Hammer Series Amplifier

    JackHammer Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 600W x 1 chan. Max • Stackable configuration • Built-in active fan cooling • Subsonic filter

    JackHammer Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 600W x 1 chan. Max • Stackable configuration • Built-in active fan cooling • Subsonic filter

    West Coast Customs WCC1500.1 by MB Quart OPEN BOX COMPLETE

    1500W Monoblock WCC Series Class D Amplifier (Same as MB Quart OA750.1)

    Go to item page Right Arrow Icon of Right Arrow

    1500W Monoblock WCC Series Class D Amplifier (Same as MB Quart OA750.1)

    Item is used and has box damage
    • 4 ohm: 375 watts x 1 chan.
    • 2 ohm: 750 watts x 1 chan.
    • 1 ohm: 1500 watts x 1 chan
    • Pulse Width Modulated (PWM) MOSFET Power Supply

    Item is used and has box damage
    • 4 ohm: 375 watts x 1 chan.
    • 2 ohm: 750 watts x 1 chan.
    • 1 ohm: 1500 watts x 1 chan
    • Pulse Width Modulated (PWM) MOSFET Power Supply

    Alpine MRV-M1200 Open Box (Complete)

    2400W Peak (1200W RMS) Class-D Monoblock Amplifier with Remote Bass Knob Included

    Go to item page Right Arrow Icon of Right Arrow

    2400W Peak (1200W RMS) Class-D Monoblock Amplifier with Remote Bass Knob Included

    • 600 Watts RMS x 1 @ 4 ohm
    • 1200 Watts RMS x 1 @ 2 ohm
    • Total Peak Power: 2400 Watts
    • CEA-2006 Compliant
    • 40% smaller footprint than its predecessors
    • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
    • 13-1/2"W x 2-1/4"L x 8-5/8"H

    • 600 Watts RMS x 1 @ 4 ohm
    • 1200 Watts RMS x 1 @ 2 ohm
    • Total Peak Power: 2400 Watts
    • CEA-2006 Compliant
    • 40% smaller footprint than its predecessors
    • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
    • 13-1/2"W x 2-1/4"L x 8-5/8"H

    EXCLUSIVE

    Complete Audiobahn A16000 + SHURiKEN SK-BT80 Package

    Audiobahn A16000J Amplifier + SHURiKEN SK-BT80 Battery + Isolator + Amp Kit + Fuse Holder + Fuses

    Go to item page Right Arrow Icon of Right Arrow

    Audiobahn A16000J Amplifier + SHURiKEN SK-BT80 Battery + Isolator + Amp Kit + Fuse Holder + Fuses

    Monoblock Class AB Intake Series Car Amplifier • PWM MOSFET power supply • High Performance Battery from Shuriken • 80 Amp Hours • 1900 Crank Amps • 200 amp Battery Isolator and Relay • Extends battery life

    Monoblock Class AB Intake Series Car Amplifier • PWM MOSFET power supply • High Performance Battery from Shuriken • 80 Amp Hours • 1900 Crank Amps • 200 amp Battery Isolator and Relay • Extends battery life

    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

      Add vehicle
      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.