Garage
Shop

Discontinued Class-D Amplifiers

Loading...
Filters

Shop the Category

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

JL Audio XD600/1

600W, Single-Channel Class D XD Series Subwoofer Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W, Single-Channel Class D XD Series Subwoofer Monoblock Car Amplifier

• 600W x 1-Chan @ 2 Ohm
• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 3-Way System Protection Circuitry
• Remote Bass Input

• 600W x 1-Chan @ 2 Ohm
• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 3-Way System Protection Circuitry
• Remote Bass Input

PowerBass Xtreme XTA-5000D

5000W RMS XTA Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

5000W RMS XTA Series Class D Monoblock Amplifier

XTA Series Monoblock Class D Car Amplifier • 5000W RMS • Dual Link Strapping Capability • Heavy-Duty Brass CNC Machined Terminal Blocks • Variable Bass Boost • Wired Remote Level Control • 4-Way System Protection Circuitry

XTA Series Monoblock Class D Car Amplifier • 5000W RMS • Dual Link Strapping Capability • Heavy-Duty Brass CNC Machined Terminal Blocks • Variable Bass Boost • Wired Remote Level Control • 4-Way System Protection Circuitry

Orion HCCA-D5000 Amplifier + 2 Orion HCCA15.4 Subwoofers

Combo Includes 1 Amp + 2 Subs: Competition Class D Monoblock Amplifier + 2 15" Dual 4 ohms Subwoofers

Go to item page Right Arrow Icon of Right Arrow

Combo Includes 1 Amp + 2 Subs: Competition Class D Monoblock Amplifier + 2 15" Dual 4 ohms Subwoofers

5000W High Current Competition Class D Monoblock Amplifier • 2500W RMS x 1 chan. @ 1 ohm • 2 15" Dual 4 ohm HCCA Series Subwoofers • 2000W RMS power handling per sub • Polypropylene cone • Wide foam surround • Dual Flat Conex Spiders with Loop/Stitched Tinsel Lead • Field Replaceable Cone / Voice coil / Spider Assembly

5000W High Current Competition Class D Monoblock Amplifier • 2500W RMS x 1 chan. @ 1 ohm • 2 15" Dual 4 ohm HCCA Series Subwoofers • 2000W RMS power handling per sub • Polypropylene cone • Wide foam surround • Dual Flat Conex Spiders with Loop/Stitched Tinsel Lead • Field Replaceable Cone / Voice coil / Spider Assembly

SKAR Audio SK-125.4D

790W Class D 4-Channel SK Series Stereo Bridgeable Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

790W Class D 4-Channel SK Series Stereo Bridgeable Car Amplifier

• 133W x 4-Chan. @ 4 ohm
• 204W x 4-Chan. @ 2 ohm
• 396W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Double Sided 1 Oz Circuit Board

• 133W x 4-Chan. @ 4 ohm
• 204W x 4-Chan. @ 2 ohm
• 396W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Double Sided 1 Oz Circuit Board

EXCLUSIVE

Hifonics Brutus BRX2016.1D 2000W RMS Amp + 0 Gauge Amp Kit + 1 Farad Capacitor

Brutus Series Subwoofer Amplifier + Amp Wire Kit and Capacitor Package

Go to item page Right Arrow Icon of Right Arrow

Brutus Series Subwoofer Amplifier + Amp Wire Kit and Capacitor Package

• 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

Boss PH3KD

3000W Max Monoblock Phantom Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W Max Monoblock Phantom Series Car Amplifier

Monoblock Phantom Series Car Amplifier • • 4 ohm: 1500 watts x 1 chan. • 2 ohm: 3000 watts x 1 chan. • 1 ohm: ohm: 3000 watts x 1 chan. • Pulse Width Modulated MOSFET power supply

Monoblock Phantom Series Car Amplifier • • 4 ohm: 1500 watts x 1 chan. • 2 ohm: 3000 watts x 1 chan. • 1 ohm: ohm: 3000 watts x 1 chan. • Pulse Width Modulated MOSFET power supply

SKAR Audio T-60.4AB-500.1D

670W RMS T-Series 5-Channel Class AB/D Hybrid Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

670W RMS T-Series 5-Channel Class AB/D Hybrid Car Amplifier

• RMS: 60W x 4 @ 4 ohm, 80W x 4 @ 2 ohm, 500W x 1 @ 1 ohm
• Total RMS Power: 670W RMS
• Preamp Outputs
• Bass Boost: 0-12 dB
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 15-3/4"W x 9-7/8"L x 2-1/16"H

• RMS: 60W x 4 @ 4 ohm, 80W x 4 @ 2 ohm, 500W x 1 @ 1 ohm
• Total RMS Power: 670W RMS
• Preamp Outputs
• Bass Boost: 0-12 dB
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 15-3/4"W x 9-7/8"L x 2-1/16"H

NVX MVPA4 Amplifier + NVX VUBT2 Bluetooth Receiver

400W RMS 4-Channel Class D Micro-V Car Amplifier + Universal Bluetooth Audio Receiver

Go to item page Right Arrow Icon of Right Arrow

400W RMS 4-Channel Class D Micro-V Car Amplifier + Universal Bluetooth Audio Receiver

• The size of a postcard with 400 Watts True RMS Output!
• • MVP Series 4-Channel Micro Class D Amplifier
• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• Bluetooth Profile: A2DP
• Outputs One Stereo Pair, Low-Level RCA Plug
• Signal to Noise Ratio: 93 dB (20 Hz - 20 kHz)

• The size of a postcard with 400 Watts True RMS Output!
• • MVP Series 4-Channel Micro Class D Amplifier
• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• Bluetooth Profile: A2DP
• Outputs One Stereo Pair, Low-Level RCA Plug
• Signal to Noise Ratio: 93 dB (20 Hz - 20 kHz)

Hifonics Brutus X1000.1D

1000 Watt BRUTUS X-14 Series Class-D Monoblock 1-Ohm Stable Subwoofer Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000 Watt BRUTUS X-14 Series Class-D Monoblock 1-Ohm Stable Subwoofer Amplifier

• RMS Power: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• CEA-2006 Compliant/Preamp Outputs/LPF
• 10.24"W x 2.5"H x 9.49"L

• RMS Power: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• CEA-2006 Compliant/Preamp Outputs/LPF
• 10.24"W x 2.5"H x 9.49"L

Clarion XC6410

500W 4-Channel Marine XC Series Power Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W 4-Channel Marine XC Series Power Amplifier

• 4 ohm: 85 watts x 4-Chan.
• 2 ohm: 125 watts x 4-Chan.
• Bridged, 4 ohm: 250 watts x 2-Chan.
• Conformally Coated PC Board
• Marine Certified

• 4 ohm: 85 watts x 4-Chan.
• 2 ohm: 125 watts x 4-Chan.
• Bridged, 4 ohm: 250 watts x 2-Chan.
• Conformally Coated PC Board
• Marine Certified

5000W Boss PH5000D and 0-Gauge Wiring Kit Package

5000W Max Phantom Series Class D Monoblock Power Amplifier + 0/1 Gauge Wiring Kit with RCA Cables

Go to item page Right Arrow Icon of Right Arrow

5000W Max Phantom Series Class D Monoblock Power Amplifier + 0/1 Gauge Wiring Kit with RCA Cables

• 1 ohm: 5000 watts x 1 chan.
• RMS power output: 1800 watts x 1 chan.
• Wired remote subwoofer level control
• Nickel-plated speaker and power terminals
• Subsonic Filter
• 1/0 Gauge Complete 2-Channel Amplifier Installation Kit

• 1 ohm: 5000 watts x 1 chan.
• RMS power output: 1800 watts x 1 chan.
• Wired remote subwoofer level control
• Nickel-plated speaker and power terminals
• Subsonic Filter
• 1/0 Gauge Complete 2-Channel Amplifier Installation Kit

Power Acoustik SL-3400D

3400W Max, Class D Monoblock Amplifier (SL3400D)

Go to item page Right Arrow Icon of Right Arrow

3400W Max, Class D Monoblock Amplifier (SL3400D)

3400W Class D Monoblock Amplifier • 1400 watts @ 4 Ohm • • 2100W @ 2 Ohm • PWM power supply • four way protection circuit • system distress indicator • heavy duty power and speaker terminals

3400W Class D Monoblock Amplifier • 1400 watts @ 4 Ohm • • 2100W @ 2 Ohm • PWM power supply • four way protection circuit • system distress indicator • heavy duty power and speaker terminals

PowerBass Xtreme XTA-1000D

1000W RMS XTA Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS XTA Series Class D Monoblock Amplifier

XTA Series Monoblock Class D Car Amplifier • 1000W RMS • Dual Link Strapping Capability • Heavy-Duty Brass CNC Machined Terminal Blocks • Variable Bass Boost • Wired Remote Level Control • 4-Way System Protection Circuitry

XTA Series Monoblock Class D Car Amplifier • 1000W RMS • Dual Link Strapping Capability • Heavy-Duty Brass CNC Machined Terminal Blocks • Variable Bass Boost • Wired Remote Level Control • 4-Way System Protection Circuitry

MB Quart RM440.4

440W 4-Channel Reference MYKRO Series Hybrid Class D Full-Range Car Power Amplifier (RM4404)

Go to item page Right Arrow Icon of Right Arrow

440W 4-Channel Reference MYKRO Series Hybrid Class D Full-Range Car Power Amplifier (RM4404)

• 75W x 4-Chan. @ 4 ohm
• 110W x 4-Chan. @ 2 ohm
• 220W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

• 75W x 4-Chan. @ 4 ohm
• 110W x 4-Chan. @ 2 ohm
• 220W x 2 Chan. @ 4 ohm
• 4-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• FLUID-FETS Circuit for Smooth Sound Quality

SPL GRLA3000/1D

3000W Max, Gorilla Series Class D Digital Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W Max, Gorilla Series Class D Digital Monoblock Amplifier

Gorilla Series Class D Digital Monoblock Car Amplifier • 900 Watts x 1 Chan @ 4 Ohm • 1300 Watts x 1 Chan. @ 2 Ohm • 1700 Watts x 1 Chan @ 1 Ohm • Regulated MOSFET PMW Power Supply • Preamp RCA Outputs • Silver Texture

Gorilla Series Class D Digital Monoblock Car Amplifier • 900 Watts x 1 Chan @ 4 Ohm • 1300 Watts x 1 Chan. @ 2 Ohm • 1700 Watts x 1 Chan @ 1 Ohm • Regulated MOSFET PMW Power Supply • Preamp RCA Outputs • Silver Texture

Earthquake Sound TD5X

3000W Max 5-Channel Full Digital TNT Series Class D Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W Max 5-Channel Full Digital TNT Series Class D Car Amplifier

• Full-Range RMS: 100W x 4 @ 4 ohm
• Subwoofer RMS: 600W x 1 @ 4 ohm
• Class D Circuitry
• Fully Regulated MOSFET Power Supply
• Wired Bass Remote Included
• Dimensions: 16-3/8"D x 9-3/4"W x 2-1/4"H

• Full-Range RMS: 100W x 4 @ 4 ohm
• Subwoofer RMS: 600W x 1 @ 4 ohm
• Class D Circuitry
• Fully Regulated MOSFET Power Supply
• Wired Bass Remote Included
• Dimensions: 16-3/8"D x 9-3/4"W x 2-1/4"H

2500W Class D MonoBlock Amplifier

Phoenix Gold Roadster 66 (R66)

Special, Limited Edition 5-Channel Amplifier with Class D Subwoofer Channel

Go to item page Right Arrow Icon of Right Arrow

Special, Limited Edition 5-Channel Amplifier with Class D Subwoofer Channel

5-Channel power amplifier with Class D subwoofer channel • IRFZ44 power supply mosfets • Massive heatsink • Triple Darlington power amplifier stages with complementary bi-polar output transistors

5-Channel power amplifier with Class D subwoofer channel • IRFZ44 power supply mosfets • Massive heatsink • Triple Darlington power amplifier stages with complementary bi-polar output transistors

Audiopipe APMR-1300MIN

1000W Salt Water Series Monoblock Class D Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W Salt Water Series Monoblock Class D Marine Amplifier

• RMS Power: 300W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Fully Painted Non-Corrosive Heatsink
• Coated Circuit Boards For Marine Use

• RMS Power: 300W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Fully Painted Non-Corrosive Heatsink
• Coated Circuit Boards For Marine Use

Audiobahn A1504DP

True Digital Series 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

True Digital Series 4-Channel Amplifier

1 ohm stereo stable, 2 ohm bridged • True Digital Circuitry • Dual Cooling Fans • HP/LP Crossovers • Bass Boost • Cobalt Blue Illumination • 150/300/450 watts x 4 ch. (@ 4/2/1 ohm)

1 ohm stereo stable, 2 ohm bridged • True Digital Circuitry • Dual Cooling Fans • HP/LP Crossovers • Bass Boost • Cobalt Blue Illumination • 150/300/450 watts x 4 ch. (@ 4/2/1 ohm)

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in Discontinued Class-D Amplifiers


    Class D Amplifiers Frequently Asked Questions (FAQ)
    Class D amplifiers are a type of switching amplifier known for their high efficiency and compact size. Unlike traditional Class A, B, and AB amplifiers that use continuous analog voltage to amplify audio signals, Class D amplifiers employ a digital switching technique. This process rapidly switches the output transistors on and off, effectively turning them into binary switches that deliver the audio signal to the speaker. The switching nature of Class D amplifiers drastically reduces power wastage, resulting in higher efficiency and less heat production. As a result, Class D amplifiers are ideal for applications with limited space or power constraints, making them popular in car audio, home theater systems, and portable devices.
    Yes, modern Class D amplifiers have made significant advancements in audio fidelity and can deliver high-quality sound performance. While traditional audiophiles may have associated Class D with lower audio quality due to early models' limitations, today's Class D amplifiers have overcome many of these challenges. With advancements in switching technology, filtering, and feedback mechanisms, Class D amplifiers can now offer exceptional audio reproduction that rivals traditional Class AB amplifiers. Additionally, Class D amplifiers' efficiency and lower heat generation make them well-suited for high-power audio applications where traditional amplifiers would be impractical.
    Yes, Class D amplifiers are versatile and can power various speaker types, including subwoofers, woofers, mid-range, and tweeters. When selecting a Class D amplifier for your speakers, consider the power output (wattage) and impedance rating. Ensure that the amplifier's power rating matches or slightly exceeds your speakers' power handling capabilities to prevent underpowering or overpowering, which can lead to distortion or speaker damage. Additionally, check the amplifier's impedance range to ensure compatibility with your speakers' impedance. Most Class D amplifiers can handle both 4-ohm and 2-ohm loads, making them suitable for a wide range of speaker configurations.
    No, Class D amplifiers are known for their high efficiency, which results in significantly less heat generation compared to other amplifier classes like Class A or Class AB. The digital switching technique used in Class D amplifiers reduces power loss, resulting in a more efficient conversion of electrical energy into audio output. As a result, Class D amplifiers remain relatively cool even at high volume levels, making them suitable for space-constrained installations and applications where heat dissipation is a concern. Their cool operation also extends the lifespan of internal components and reduces the need for large heat sinks or fans.
    Yes, many Class D amplifiers support bridge mode, allowing you to increase the power output when driving a single speaker or subwoofer. In bridge mode, the amplifier combines the power output from two channels into a single channel, effectively doubling the power delivered to the speaker. However, it's essential to follow the manufacturer's guidelines and ensure that your amplifier supports bridging. Additionally, pay attention to the speaker's impedance requirements, as bridging may change the amplifier's impedance capabilities. If you're unsure or need assistance with bridging your Class D amplifier, contact Sonic Electronix's knowledgeable staff, who can help you find the right amplifier and configuration for your audio setup. With their compact size, high efficiency, and versatility, Class D amplifiers offer a compelling solution for various audio applications, delivering powerful and clear sound performance with minimal heat output.
    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

    1984 Dodge Diplomat

    1989 Subaru RX

    2023 Buick Envision

    2013 Jeep Patriot

    2016 Audi S5

    2016 BMW Z4

    2016 Volvo XC60

    2012 Land Rover Range Rover

    1986 Subaru GL

    2012 Toyota Matrix

    Vehicle
    Store
    Delete

    1957 Harley Davidson FL

    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.