Garage
Shop

Discontinued Class-D Amplifiers

Loading...
Filters

Shop the Category

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

Audiopipe APDL-20001D

2000W Dealer Line Series Monoblock Class D Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

2000W Dealer Line Series Monoblock Class D Car Amplifier

• RMS Power: 800W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low-Pass Filter
• Dimensions: 6.92"W x 17.04"L x 2.16"H

• RMS Power: 800W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low-Pass Filter
• Dimensions: 6.92"W x 17.04"L x 2.16"H

Sundown Audio SALT-1 (Open Box, Like New)

1000W RMS Class D SALT Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Class D SALT Series Monoblock Car Amplifier

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• 2000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• 2000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Alpine R2-A75M - New (Damaged Packaging, Product A+)

750W RMS Class D R-Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

750W RMS Class D R-Series Monoblock Car Amplifier

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable Monoblock Amplifier

Hertz SP 4.500 (Open-box, Like New)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

• 4 Channel: 90 watts x 4 channel @ 4 ohm
• 4 Channel: 150 watts x 4 channel @ 2 ohm
• 3 Channel: 80 watts x 2 channel @ 4 ohm + 330 watts x 1 channel @ 4 ohm
• 3 Channel: 145 watts x 2 channel @ 2 ohm + 300 watts x 1 channel @ 4 ohm
• 2 Channel: 300 watts x 2 channel @ 4-ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Marine Amplifier

• 4 Channel: 90 watts x 4 channel @ 4 ohm
• 4 Channel: 150 watts x 4 channel @ 2 ohm
• 3 Channel: 80 watts x 2 channel @ 4 ohm + 330 watts x 1 channel @ 4 ohm
• 3 Channel: 145 watts x 2 channel @ 2 ohm + 300 watts x 1 channel @ 4 ohm
• 2 Channel: 300 watts x 2 channel @ 4-ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Marine Amplifier

Sundown Audio SIA-2500D (Open Box, Great)

2500W RMS Class D SFB Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

2500W RMS Class D SFB Series Monoblock Car Amplifier

• 2000 watts x 1 channel @ 4 ohm
• 2500 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

• 2000 watts x 1 channel @ 4 ohm
• 2500 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

Sundown Audio SAEv.4-1500.1D (Open Box, Great)

1500W RMS Class D SAEv4 Series Monoblock Car Amplifier with Wired Remote Control

Go to item page Right Arrow Icon of Right Arrow

1500W RMS Class D SAEv4 Series Monoblock Car Amplifier with Wired Remote Control

• 450 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 450 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Sundown Audio SAM-150.2 (Open Box, Great)

300W RMS Class D 2 Channel Powersport Amplifier with Bluetooth

Go to item page Right Arrow Icon of Right Arrow

300W RMS Class D 2 Channel Powersport Amplifier with Bluetooth

• 300 watts x 2 channel @ 4 ohm
• 540 watts x 2 channel @ 2 ohm
• Bridged: 540 watts x 1 channel @ 4 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 2-Channel Amplifier

• 300 watts x 2 channel @ 4 ohm
• 540 watts x 2 channel @ 2 ohm
• Bridged: 540 watts x 1 channel @ 4 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Sundown Audio SALT-6 Competition (Open Box, Great)

6000W RMS Class D SALT Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

6000W RMS Class D SALT Series Monoblock Car Amplifier

• 1500 watts x 1 channel @ 4 ohm
• 3000 watts x 1 channel @ 2 ohm
• 6000 watts x 1 channel @ 1 ohm
• 12000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 6000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 1500 watts x 1 channel @ 4 ohm
• 3000 watts x 1 channel @ 2 ohm
• 6000 watts x 1 channel @ 1 ohm
• 12000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 6000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Sundown Audio SAM-150.2 (Open Box, Like New)

300W RMS Class D 2 Channel Powersport Amplifier with Bluetooth

Go to item page Right Arrow Icon of Right Arrow

300W RMS Class D 2 Channel Powersport Amplifier with Bluetooth

• 300 watts x 2 channel @ 4 ohm
• 540 watts x 2 channel @ 2 ohm
• Bridged: 540 watts x 1 channel @ 4 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 2-Channel Amplifier

• 300 watts x 2 channel @ 4 ohm
• 540 watts x 2 channel @ 2 ohm
• Bridged: 540 watts x 1 channel @ 4 ohm
• Total RMS Power: 540 watts
• Class D 2 ohm Stable 2-Channel Amplifier

Hertz HCP 4DK (Open-box, Like New)

2000W Peak (880W RMS) Class D Hertz Compact Power (HCP) Series 4-Channel Full Range Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

2000W Peak (880W RMS) Class D Hertz Compact Power (HCP) Series 4-Channel Full Range Car Amplifier

• 4 Channel: 120 watts x 4 channel @ 4 ohm
• 4 Channel: 220 watts x 4 channel @ 2 ohm
• 3 Channel: 120 watts x 2 channel @ 4 ohm + 440 watts x 1 channel @ 4 ohm
• 3 Channel: 220 watts x 2 channel @ 2 ohm + 440 watts x 1 channel @ 4 ohm
• 2 Channel: 440 watts x 2 channel @ 4-ohm
• Total RMS Power: 1020 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

• 4 Channel: 120 watts x 4 channel @ 4 ohm
• 4 Channel: 220 watts x 4 channel @ 2 ohm
• 3 Channel: 120 watts x 2 channel @ 4 ohm + 440 watts x 1 channel @ 4 ohm
• 3 Channel: 220 watts x 2 channel @ 2 ohm + 440 watts x 1 channel @ 4 ohm
• 2 Channel: 440 watts x 2 channel @ 4-ohm
• Total RMS Power: 1020 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

Hertz ML Power 1 (Open-box, Like New)

1000W RMS Class D Mille Power Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Class D Mille Power Series Monoblock Car Amplifier

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

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

JL Audio XDM600/1 (Open Box, Like New)

600W RMS Class D XDM Series Monoblock Car and Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D XDM Series Monoblock Car and Marine Amplifier

• 400 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 400 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

Sundown Audio SAEv4-3000.1D (SAEv.4-3000D) (Open Box, Great)

3000W RMS Class D SAEv4 Series Monoblock Car Amplifier with Wired Remote Control

Go to item page Right Arrow Icon of Right Arrow

3000W RMS Class D SAEv4 Series Monoblock Car Amplifier with Wired Remote Control

• 1300 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 1300 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Sundown Audio SALT-3 (Open Box, Great)

3000W RMS Class D SALT Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W RMS Class D SALT Series Monoblock Car Amplifier

• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• 6000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• 6000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

JL Audio XDM600/1 - New (Damaged Packaging, Product A+)

600W RMS Class D XDM Series Monoblock Car and Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D XDM Series Monoblock Car and Marine Amplifier

• 400 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 400 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

Hertz HCP 1DK (Open-box, Like New)

2480W Peak (1240W RMS) Class D Hertz Compact Power (HCP) Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

2480W Peak (1240W RMS) Class D Hertz Compact Power (HCP) Series Class D Monoblock Amplifier

• 740 watts x 1 channel @ 4 ohm
• 1240 watts x 1 channel @ 2 ohm
• Total RMS Power: 1240 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 740 watts x 1 channel @ 4 ohm
• 1240 watts x 1 channel @ 2 ohm
• Total RMS Power: 1240 watts
• Class D 2 ohm Stable Monoblock Amplifier

Alpine S2-A60M - New (Damaged Packaging, Product A+)

600W RMS Class D S-Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D S-Series Monoblock Car Amplifier

• 330 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 330 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

Sundown Audio SIA-5000D (Open Box, Great)

5000W RMS Class D SFB Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

5000W RMS Class D SFB Series Monoblock Car Amplifier

• 3400 watts x 1 channel @ 4 ohm
• 4950 watts x 1 channel @ 2 ohm
• 5000 watts x 1 channel @ 1 ohm
• Total RMS Power: 5000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 3400 watts x 1 channel @ 4 ohm
• 4950 watts x 1 channel @ 2 ohm
• 5000 watts x 1 channel @ 1 ohm
• Total RMS Power: 5000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Sundown Audio SFB500.4D (Open Box, Like New)

500W RMS Class D SFB Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W RMS Class D SFB Series 4 Channel Car Amplifier

• 500 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable 4-Channel-Channel Amplifier

• 500 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 500 watts
• Class D 1 ohm Stable 4-Channel-Channel Amplifier

JL Audio JD1000/1 (Open Box, Like New)

1000W RMS Class D JD Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Class D JD Series Monoblock Car Amplifier

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

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

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

    2014 Ford Focus

    1975 Buick LeSabre

    1973 Volkswagen Beetle

    2000 Kia Spectra

    2000 Audi A8 Quattro

    1978 BMW 630CSi

    2004 Nissan Pathfinder Armada

    1979 Chevrolet Nova

    2004 Chevrolet Malibu

    1989 Mercury Topaz

    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.