Garage
Shop

Discontinued Class-D Amplifiers

Loading...
Filters

Shop the Category

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

Sundown Audio SAEv4-1000.1D (Open Box, Great)

1000W RMS Class D SAEv4 Series Monoblock Car Amplifier with Wired Remote Control

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Class D SAEv4 Series Monoblock Car Amplifier with Wired Remote Control

• 375 watts x 1 channel @ 4 ohm
• 650 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

• 375 watts x 1 channel @ 4 ohm
• 650 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

Sundown Audio SIA-1750D (Open Box, Great)

1750W RMS Class D SFB Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1750W RMS Class D SFB Series Monoblock Car Amplifier

• 1250 watts x 1 channel @ 4 ohm
• 1750 watts x 1 channel @ 2 ohm
• 1750 watts x 1 channel @ 1 ohm
• Total RMS Power: 1750 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 1250 watts x 1 channel @ 4 ohm
• 1750 watts x 1 channel @ 2 ohm
• 1750 watts x 1 channel @ 1 ohm
• Total RMS Power: 1750 watts
• Class D 1 ohm Stable Monoblock Amplifier

Sundown Audio SFB200.4D (Open Box, Great)

200W RMS Class D SFB Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

200W RMS Class D SFB Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 200 watts
• Class D 1 ohm Stable 4-Channel-Channel Amplifier

• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: @ 4 ohm
• Total RMS Power: 200 watts
• Class D 1 ohm Stable 4-Channel-Channel Amplifier

JL Audio RD1500/1 - (Open Box, Like New)

1500W RMS RD Series Monoblock Class D Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W RMS RD Series Monoblock Class D Amplifier

• 1500 Watts x 1 @ 2 ohm / 1500 Watts x 1 @ 1 ohm
• Class D amplifier design with NextD™
• Variable low-pass filter (12 dB/octave): 50-500Hz
• Variable bass boost: 0-12 dB @ 45Hz
• Frequency Response: 7Hz - 500Hz

• 1500 Watts x 1 @ 2 ohm / 1500 Watts x 1 @ 1 ohm
• Class D amplifier design with NextD™
• Variable low-pass filter (12 dB/octave): 50-500Hz
• Variable bass boost: 0-12 dB @ 45Hz
• Frequency Response: 7Hz - 500Hz

Rockford Fosgate Prime R2-1200X1 - New (Damaged Packaging, Product A+)

1200W RMS Class D Prime Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W RMS Class D Prime Series Monoblock Car Amplifier

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

VIP Star Icon

VIP Product Get $40.50 in rewards to spend later

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

Sundown Audio SFB1800.5D (Open Box, Like New)

1000W RMS Class D SFB Series 5 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Class D SFB Series 5 Channel Car Amplifier

• 250 watts x 5 channel + @ 4 ohm
• 500 watts x 5 channel + @ 2 ohm
• Bridged: @ 4 ohm + @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable 5-Channel-Channel Amplifier

• 250 watts x 5 channel + @ 4 ohm
• 500 watts x 5 channel + @ 2 ohm
• Bridged: @ 4 ohm + @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable 5-Channel-Channel Amplifier

Sundown Audio SAM-100.4 (Open Box, Like New)

400W RMS Class D 4 Channel Powersport Amplifier with Bluetooth

Go to item page Right Arrow Icon of Right Arrow

400W RMS Class D 4 Channel Powersport Amplifier with Bluetooth

• 700 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 700 watts x 4 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

• 700 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 700 watts x 4 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

JL Audio XDM1000/5 - New (Damaged Packaging, Product A+)

1000W RMS Class D XDM Series 5 Channel Car and Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Class D XDM Series 5 Channel Car and Marine Amplifier

• 75 watts x 4 channel + 400 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 5-Channel Amplifier

• 75 watts x 4 channel + 400 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 5-Channel Amplifier

Alpine KTP-445A Power Pack - New (Damaged Packaging, Product A+)

180W RMS Class D Power Pack Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

180W RMS Class D Power Pack Series 4 Channel Car Amplifier

• Power Pack 4-Channel Class D for Select Alpine In-Dash Receivers
• 45 watts x 4 channel @ 4 Ohm
• Adjustable Gain Switch
• Plug-and-Play
• CEA-2006 Compliant

• Power Pack 4-Channel Class D for Select Alpine In-Dash Receivers
• 45 watts x 4 channel @ 4 Ohm
• Adjustable Gain Switch
• Plug-and-Play
• CEA-2006 Compliant

JL Audio MV600/1 - New (Damaged Packaging, Product A+)

600W RMS Class D MVi Series Monoblock Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D MVi Series Monoblock 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

JL Audio JD500/1 - New (Damaged Packaging, Product A+)

500W RMS Class D JD Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

500W RMS Class D JD Series Monoblock Car Amplifier

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

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

Lowest price in 30 days

JL Audio VX600/6i - New (Damaged Packaging, Product A+)

600W RMS Class D VXi Series 6 Channel Car Amplifier with Built-in DSP

Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D VXi Series 6 Channel Car Amplifier with Built-in DSP

• 75 watts RMS x 6 @ 4 ohm
• 100 watts RMS x 6 @ 2 ohm
• 200 watts RMS x 3 @ 4 ohm, Bridged
• Built-In Digital Signal Processor
• Adjustments Controlled Through TüN App
• Chassis Hides Mounting Hardware
• Dimensions: 9.81" W x 5.53" L x 2.12" H

• 75 watts RMS x 6 @ 4 ohm
• 100 watts RMS x 6 @ 2 ohm
• 200 watts RMS x 3 @ 4 ohm, Bridged
• Built-In Digital Signal Processor
• Adjustments Controlled Through TüN App
• Chassis Hides Mounting Hardware
• Dimensions: 9.81" W x 5.53" L x 2.12" H

Rockford Fosgate Prime R2-1200X1 (Open Box, Like New)

1200W RMS Class D Prime Series Monoblock Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W RMS Class D Prime Series Monoblock Car Amplifier

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

Rockford Fosgate R2-300X4 (Open Box, Like New)

300W RMS Class D Prime Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

300W RMS Class D Prime Series 4 Channel Car Amplifier

• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel Amplifier

JL Audio JD400/4 - New (Damaged Packaging, Product A+)

400W RMS Class D JD Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W RMS Class D JD Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

Hertz DPower 4 (Open-box, Like New)

600W Peak (300W RMS) Class D DPower Series 4-Channel Full Range Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) Class D DPower Series 4-Channel Full Range Car Amplifier

• 50 watts x 4 channel @ 4 ohm
• 65 watts x 4 channel @ 2 ohm
• Bridged: 130 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

• 50 watts x 4 channel @ 4 ohm
• 65 watts x 4 channel @ 2 ohm
• Bridged: 130 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

JL Audio VX1000/5i (Open Box, Like New)

1000W RMS Class D VXi Series 5 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS Class D VXi Series 5 Channel Car Amplifier

• 75 watts x 4 channel + 400 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 5-Channel Amplifier

• 75 watts x 4 channel + 400 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 5-Channel Amplifier

JL Audio JD400/4 (Open Box, Like New)

400W RMS Class D JD Series 4 Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W RMS Class D JD Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Hertz Venezia V6 (Open Box, Great)

1740W RMS Class D Venezia Series 6-Channel Full Range Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

1740W RMS Class D Venezia Series 6-Channel Full Range Marine Amplifier

• 160 watts x 6 channel @ 4 ohm
• 290 watts x 6 channel @ 2 ohm
• Bridged: 580 watts x 3 channel @ 4 ohm
• Total RMS Power: 1740 watts
• Class D 2 ohm Stable 6-Channel-Channel Amplifier

• 160 watts x 6 channel @ 4 ohm
• 290 watts x 6 channel @ 2 ohm
• Bridged: 580 watts x 3 channel @ 4 ohm
• Total RMS Power: 1740 watts
• Class D 2 ohm Stable 6-Channel-Channel Amplifier

Hertz Venezia V6 (Open-box, Like New)

1740W RMS Class D Venezia Series 6-Channel Full Range Marine Amplifier

Go to item page Right Arrow Icon of Right Arrow

1740W RMS Class D Venezia Series 6-Channel Full Range Marine Amplifier

• 160 watts x 6 channel @ 4 ohm
• 290 watts x 6 channel @ 2 ohm
• Bridged: 580 watts x 3 channel @ 4 ohm
• Total RMS Power: 1740 watts
• Class D 2 ohm Stable 6-Channel-Channel Amplifier

• 160 watts x 6 channel @ 4 ohm
• 290 watts x 6 channel @ 2 ohm
• Bridged: 580 watts x 3 channel @ 4 ohm
• Total RMS Power: 1740 watts
• Class D 2 ohm Stable 6-Channel-Channel 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

    2019 Alfa Romeo Giulia

    1993 GMC K2500

    2009 Volvo XC70

    2012 Mitsubishi Eclipse

    1993 Dodge Dynasty

    1993 BMW 525iT

    1972 Oldsmobile Cutlass

    2017 Ford Expedition EL

    1970 Dodge B Series

    1996 GMC C3500

    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.