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.

Soundstream TRX1500D R/B

1500W RMS, Tarantula Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W RMS, Tarantula Series Class D Monoblock Amplifier

Tarantula Series Class D Monoblock Amplifier • 1500W RMS • 1100W RMS @ 2 Ohm x 1 Chan. • 800W RMS @ 4 Ohm x 1 Chan. • TST (Twin Stack Technology) • High Quality FR-4 Circuitry • Remote Bass Level Control Included

Tarantula Series Class D Monoblock Amplifier • 1500W RMS • 1100W RMS @ 2 Ohm x 1 Chan. • 800W RMS @ 4 Ohm x 1 Chan. • TST (Twin Stack Technology) • High Quality FR-4 Circuitry • Remote Bass Level Control Included

Hifonics ZRX3216.1D OPEN BOX COMPLETE

3200W Monoblock Zeus Series Super Class D Amplifier

Go to item page Right Arrow Icon of Right Arrow

3200W Monoblock Zeus Series Super Class D Amplifier

Used and previously installed
• RMS Power: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• Low Pass Filter
• Dimensions: 10" W x 19.7" L x 2.4" H

Used and previously installed
• RMS Power: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• Low Pass Filter
• Dimensions: 10" W x 19.7" L x 2.4" H

Pioneer Premier PRS-D5000SPL R/B

3000W Max, Premier Competition SPL Digital Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W Max, Premier Competition SPL Digital Class D Monoblock Amplifier

3000 watts maximum power output • Premier Competition SPL Digital Monoblock Amplifier • Independent Rail-Regulating Power Supply (IRRP) • Multi-Amplifier Synchronization System (MASS)

3000 watts maximum power output • Premier Competition SPL Digital Monoblock Amplifier • Independent Rail-Regulating Power Supply (IRRP) • Multi-Amplifier Synchronization System (MASS)

JBL MS-A5001 + Free Kinetik Car Audio Power Cell

500W True RMS, 1-Channel Monoblock Amplifier + 850 Amp Kinetik HC600 Car Audio Power Cell

Go to item page Right Arrow Icon of Right Arrow

500W True RMS, 1-Channel Monoblock Amplifier + 850 Amp Kinetik HC600 Car Audio Power Cell

• JBL MS-A5001 500W True RMS Monoblock Amplifier
• RMS: 500 x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Sophisticated Crossover Functions and Selectable Crossover Slopes
• Kinetik HC600 12V High Current Car Audio Power Cell
• Perfect for 600W Car Audio Stereo Systems
• Sealed Absorbed Glass Mat (AGM) Design

• JBL MS-A5001 500W True RMS Monoblock Amplifier
• RMS: 500 x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Sophisticated Crossover Functions and Selectable Crossover Slopes
• Kinetik HC600 12V High Current Car Audio Power Cell
• Perfect for 600W Car Audio Stereo Systems
• Sealed Absorbed Glass Mat (AGM) Design

Xtant XTANT6.1

Xtant Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

Xtant Series Class D Monoblock Amplifier

Xtant Series Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • Fully regulated PWM MOSFET power supply • Preamp RCA outputs • Thermal and overcurrent protection circuitry

Xtant Series Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • Fully regulated PWM MOSFET power supply • Preamp RCA outputs • Thermal and overcurrent protection circuitry

Pioneer Premier GM-7150M R/B

FACTORY REFURBISHED

Go to item page Right Arrow Icon of Right Arrow

FACTORY REFURBISHED

MonoBlock Amplifier • 250W x 1 chan. @ 4 Ohm • 360W x 1 chan. @ 2 Ohm • MOSFET power supply • gold RCA inputs • bass level control • screw-type speaker terminals • CEA-2006 compliant

MonoBlock Amplifier • 250W x 1 chan. @ 4 Ohm • 360W x 1 chan. @ 2 Ohm • MOSFET power supply • gold RCA inputs • bass level control • screw-type speaker terminals • CEA-2006 compliant

Boss CW2500D R/B

Refurbished 2500W Max Chaos Wired Series Class D Monoblock Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

Refurbished 2500W Max Chaos Wired Series Class D Monoblock Power Amplifier

Chaos Series Monoblock Class D Car Amplifier • 750W x 1 chan. @ 4 Ohm • 1800W x 1 chan. @ 2 Ohm • 2500 MAX • Soft Start Turn-On • 3-Way System Protection Circuitry • DataLink Circuitry • Matte Black Aluminum Alloy Heatsink

Chaos Series Monoblock Class D Car Amplifier • 750W x 1 chan. @ 4 Ohm • 1800W x 1 chan. @ 2 Ohm • 2500 MAX • Soft Start Turn-On • 3-Way System Protection Circuitry • DataLink Circuitry • Matte Black Aluminum Alloy Heatsink

Soundstream TRX1000D R/B

1000W RMS, Class D Monoblock Tarantula Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS, Class D Monoblock Tarantula Series Amplifier

Tarantula Series Monoblock Class D Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W RMS • Twin Stack Technology • Three-Way Protection Circuitry • Pre-Amp Outputs • Variable Low-Pass Filter

Tarantula Series Monoblock Class D Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W RMS • Twin Stack Technology • Three-Way Protection Circuitry • Pre-Amp Outputs • Variable Low-Pass Filter

Orion CO3200.1D

3200W Max Cobalt Series Class D Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

3200W Max Cobalt Series Class D Monoblock Car Amplifier

• 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

• 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

Power Acoustik LFA1-2000D R/B

2000W Max, Class D Monoblock LFA Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

2000W Max, Class D Monoblock LFA Series Amplifier

Class D Monoblock LFA Series Amplifier • 2000W Max • 600W x 1 Chan. @ 4Ohm • 900W x 1 Chan. @ 2Ohm • 1200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Class D Monoblock LFA Series Amplifier • 2000W Max • 600W x 1 Chan. @ 4Ohm • 900W x 1 Chan. @ 2Ohm • 1200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Planet Audio BB2400.1 R/B

Refurbished 3000W Max, Big Bang Series Class D Monoblock Amplifier with Remote Level Control

Go to item page Right Arrow Icon of Right Arrow

Refurbished 3000W Max, Big Bang Series Class D Monoblock Amplifier with Remote Level Control

Big Bang Series Monoblock Class D Car Amplifier • 3000W Max • 2400W x 1-Chan @ 1 Ohm • Strap Two Amps Together for Twice the Power • Subsonic Filter • Variable Bass Boost (0 to +18 dB) • Wired Remote Bass Level Control

Big Bang Series Monoblock Class D Car Amplifier • 3000W Max • 2400W x 1-Chan @ 1 Ohm • Strap Two Amps Together for Twice the Power • Subsonic Filter • Variable Bass Boost (0 to +18 dB) • Wired Remote Bass Level Control

Planet Audio BB650.1 R/B

900W Max, Class D Monoblock Big Bang Amplifier

Go to item page Right Arrow Icon of Right Arrow

900W Max, Class D Monoblock Big Bang Amplifier

Big Bang Series Monoblock Class D Car Amplifier • 350 Watts x 1 Chan. @ 4 Ohm • 600 Watts x 1 Chan. @ 2 Ohm • 900 Watts x 1 Chan. Max • MOSFET Power Supply • Tuned Bass Boost • Nickel Plated Connections • DC and Thermal Protection

Big Bang Series Monoblock Class D Car Amplifier • 350 Watts x 1 Chan. @ 4 Ohm • 600 Watts x 1 Chan. @ 2 Ohm • 900 Watts x 1 Chan. Max • MOSFET Power Supply • Tuned Bass Boost • Nickel Plated Connections • DC and Thermal Protection

MB Quart DSC 1500.1D (DSC1500.1D) Open Box

(Open Box) 1500W RMS, Discus Series Class D Monoblock Amplifier (DSC1500.1D)

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 1500W RMS, Discus Series Class D Monoblock Amplifier (DSC1500.1D)

Discus Series Class D Monoblock Car Amplifier • 375W x 1 chan. @ 4 ohm • 750W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • Unbalanced RCA inputs • Damping Factor: >180 • Subsonic Filter (15-35 Hz)

Discus Series Class D Monoblock Car Amplifier • 375W x 1 chan. @ 4 ohm • 750W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • Unbalanced RCA inputs • Damping Factor: >180 • Subsonic Filter (15-35 Hz)

Crunch DRA1850.1D (Factory Refurbished)

1800W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

Go to item page Right Arrow Icon of Right Arrow

1800W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

• Peak: 450W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 12-3/16"L x 9-1/2"W x 2-1/8"H

• Peak: 450W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 12-3/16"L x 9-1/2"W x 2-1/8"H

Rockford Fosgate R1200-1D Open Box

1200W RMS Prime Series Monoblock Class D Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W RMS Prime Series Monoblock Class D Car Amplifier

Prime Series Monoblock Class D Car Amplifier • 400W RMS @ 4 ohm • 800W RMS @ 2 ohm • 1200W RMS @ 1 ohm • Remote Punch Level Control Included • Pream RCA Inputs and Outputs • Variable Low-Pass Filter • Variable Infrasonic Filter • CEA-2006 Compliant

Prime Series Monoblock Class D Car Amplifier • 400W RMS @ 4 ohm • 800W RMS @ 2 ohm • 1200W RMS @ 1 ohm • Remote Punch Level Control Included • Pream RCA Inputs and Outputs • Variable Low-Pass Filter • Variable Infrasonic Filter • CEA-2006 Compliant

Power Acoustik BAMF-4000/1D (BAMF4000/1D) R/B

4000W Max Class D Monoblock BAMF Series Amplifier (Refurbished)

Go to item page Right Arrow Icon of Right Arrow

4000W Max Class D Monoblock BAMF Series Amplifier (Refurbished)

• 4000W Max Monoblock Class D Amplifier Car Amplifier
• 1200W x 1 Chan @ 4 ohm
• 1700W x 1 Chan @ 2 ohm
• 2200W x 1 Chan @ 1 ohm
• 4000 watts Max
• Adjustable Tuned Bass EQ
• PWM Power Supply

• 4000W Max Monoblock Class D Amplifier Car Amplifier
• 1200W x 1 Chan @ 4 ohm
• 1700W x 1 Chan @ 2 ohm
• 2200W x 1 Chan @ 1 ohm
• 4000 watts Max
• Adjustable Tuned Bass EQ
• PWM Power Supply

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

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

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

    2006 Dodge Durango

    2012 Hyundai Genesis

    1981 Volkswagen Scirocco

    2019 Ram Promaster 3500

    2006 Mercedes-Benz E-Class

    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.