Garage
Shop

Discontinued Class-D Amplifiers

Loading...
Filters

Shop the Category

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

Amp + Subs + Box Combo: MA Audio HK400D + MA212B

Class D Amp + Box w/ 2 12" Subs

Go to item page Right Arrow Icon of Right Arrow

Class D Amp + Box w/ 2 12" Subs

Digital Mono Amplifier • 360W x 1 @ 2 Ohm RMS • 190W x 1 @ 4 Ohm RMS • 3-Way Protection Circuitry • Strappable with a 2nd Class D Amplifier • Variable Low Pass Filter • 0 - 18 dB Variable Bass Boost Control • Remote Knob

Digital Mono Amplifier • 360W x 1 @ 2 Ohm RMS • 190W x 1 @ 4 Ohm RMS • 3-Way Protection Circuitry • Strappable with a 2nd Class D Amplifier • Variable Low Pass Filter • 0 - 18 dB Variable Bass Boost Control • Remote Knob

JBL GTO24001 Open Box

(Open Box) 2400W RMS, GT Series Class D Monoblock Amplifier (GTO-24001)

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 2400W RMS, GT Series Class D Monoblock Amplifier (GTO-24001)

GTO Series Single-Channel Subwoofer Car Amplifier • 1750W x 1 Chan. @ 4 ohm • 2400 watts x 1 Chan. @ 2 ohm • Tuned Bass EQ • Preamp RCA Outputs • Wired Bass Remote • Heavy Duty Heatsink

GTO Series Single-Channel Subwoofer Car Amplifier • 1750W x 1 Chan. @ 4 ohm • 2400 watts x 1 Chan. @ 2 ohm • Tuned Bass EQ • Preamp RCA Outputs • Wired Bass Remote • Heavy Duty Heatsink

Kicker ZX1500.1 Factory R/B

Factory Reconditioned 06ZX1500.1 ZX Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

Factory Reconditioned 06ZX1500.1 ZX Series Class D Monoblock Amplifier

Factory Reconditioned with 90 Days Manufacturer's warranty, Class D Mono Subwoofer Amplifier • 1500 watts RMS power @ 2 ohm • remote level control • protection circuitry • speaker and preamp level inputs

Factory Reconditioned with 90 Days Manufacturer's warranty, Class D Mono Subwoofer Amplifier • 1500 watts RMS power @ 2 ohm • remote level control • protection circuitry • speaker and preamp level inputs

Alpine MRP-M1000 R/B

1000W RMS, Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W RMS, Class D Monoblock Amplifier

V-Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 2000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

V-Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 2000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

2200W RMS Hifonics + NVX Bass Bundle

Hifonics X2200.1D BRUTUS X-14 Monoblock Amplifier w/ 2 NVX VCW124 12" VC-Series Subwoofers

Go to item page Right Arrow Icon of Right Arrow

Hifonics X2200.1D BRUTUS X-14 Monoblock Amplifier w/ 2 NVX VCW124 12" VC-Series Subwoofers

• Hifonics X2200.1D BRUTUS X-14 Monoblock Amplifier
• RMS Power: 950W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Dual NVX VCW124 12" VC Subwoofers
• Power Range (RMS) 850-1000 Watts (Each)

• Hifonics X2200.1D BRUTUS X-14 Monoblock Amplifier
• RMS Power: 950W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Dual NVX VCW124 12" VC Subwoofers
• Power Range (RMS) 850-1000 Watts (Each)

Alpine MRV-F300

300W 4-Channel Class D V-Power Series Compact Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

300W 4-Channel Class D V-Power Series Compact Car Amplifier

• RMS Power: 50W x 4-Chan. @ 4 ohm, 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Same Power in a 40% Smaller Chassis

VIP Star Icon

VIP Product Get $19.00 in rewards to spend later

• RMS Power: 50W x 4-Chan. @ 4 ohm, 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Same Power in a 40% Smaller Chassis

Precision Power PPI i350.2(OPEN BOX COMPLETE )

350W RMS 2-Channel iON Series Class D Full-Range Digital Stereo Bridgeable Amplifier (i3502)

Go to item page Right Arrow Icon of Right Arrow

350W RMS 2-Channel iON Series Class D Full-Range Digital Stereo Bridgeable Amplifier (i3502)

• 115W x 2 Chan. @ 4 ohm
• 175W x 2 Chan. @ 2 ohm
• 350W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Surface Mount Technology (SMT)

• 115W x 2 Chan. @ 4 ohm
• 175W x 2 Chan. @ 2 ohm
• 350W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Surface Mount Technology (SMT)

Rockford Fosgate POWER-1000 R/B

1400W RMS, '25 to LIFE' Special Edition Staggered 5-Channel Amplifier w/ Class D 5th Sub Channel

Go to item page Right Arrow Icon of Right Arrow

1400W RMS, '25 to LIFE' Special Edition Staggered 5-Channel Amplifier w/ Class D 5th Sub Channel

1400W Total RMS Power, '25 to LIFE' Special Edition Staggered 5-Channel Amplifier • 24 dB/Octave Linkwitz-Reilly Crossover Alignment • 1400W Total RMS Power output at 1 ohm • 1000W Total RMS Power Output • Bass remote included

1400W Total RMS Power, '25 to LIFE' Special Edition Staggered 5-Channel Amplifier • 24 dB/Octave Linkwitz-Reilly Crossover Alignment • 1400W Total RMS Power output at 1 ohm • 1000W Total RMS Power Output • Bass remote included

NVX NDA102

1500W Peak (750W) RMS N-Series Class-D 1-Ohm Stable Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W Peak (750W) RMS N-Series Class-D 1-Ohm Stable Monoblock Amplifier

• 310 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 750 watts x 1 channel @ 1 ohm
• Total RMS Power: 750 watts
• CEA-2006 Compliant
• 0 to +12 dB bass boost

• 310 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 750 watts x 1 channel @ 1 ohm
• Total RMS Power: 750 watts
• CEA-2006 Compliant
• 0 to +12 dB bass boost

Eclipse ZA1200 R/B

(Factory Refurbished) 1500W Max, ZA Series Class D Monoblock Car Amplifier (ZA-1200)

Go to item page Right Arrow Icon of Right Arrow

(Factory Refurbished) 1500W Max, ZA Series Class D Monoblock Car Amplifier (ZA-1200)

ZA Series Class D Monoblock Car Amplifier • 1000 Watts x 1 Chan. @ 4 Ohm • 1200 Watts x 1 Chan. @ 2 Ohm • 1500 Watts • Variable Low-Pass Filter • ICEpower Design • CEA-2006 Compliant • LED Power Indicators

ZA Series Class D Monoblock Car Amplifier • 1000 Watts x 1 Chan. @ 4 Ohm • 1200 Watts x 1 Chan. @ 2 Ohm • 1500 Watts • Variable Low-Pass Filter • ICEpower Design • CEA-2006 Compliant • LED Power Indicators

Diamond Audio D7401 ( D7 401 ) FACTORY R/B

D7 Series Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

D7 Series Monoblock Amplifier

D7 Series Monoblock Amplifier • 400W x 1 chan. @ 4 Ohm • 800W x 1 chan. @ 2 Ohm • fully regulated power supply • third-order Butterworth crossover • gold plated copper circuit board • forced-air cooling system

D7 Series Monoblock Amplifier • 400W x 1 chan. @ 4 Ohm • 800W x 1 chan. @ 2 Ohm • fully regulated power supply • third-order Butterworth crossover • gold plated copper circuit board • forced-air cooling system

Autotek AXL3050.2 (Factory Refurbished)

3000W Max 2-Channel AXL Series Class AB Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W Max 2-Channel AXL Series Class AB Car Amplifier

• 750W x 2 Chan. @ 4 ohm
• 1500W x 2 Chan. @ 2 ohm
• 3000W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

• 750W x 2 Chan. @ 4 ohm
• 1500W x 2 Chan. @ 2 ohm
• 3000W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

MTX CCOLC04T10A-FPR

Fits Select Chevrolet/GMC Vehicles - Amplified 10" 200W Loaded Thunderform Subwoofer Enclosure - Tan

Go to item page Right Arrow Icon of Right Arrow

Fits Select Chevrolet/GMC Vehicles - Amplified 10" 200W Loaded Thunderform Subwoofer Enclosure - Tan

• 200W Single 10" Sealed Subwoofer Enclosure with Built-In Amplifier
• RMS: 200 W Total
• Preloaded with single 10" FPR-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Tan

• 200W Single 10" Sealed Subwoofer Enclosure with Built-In Amplifier
• RMS: 200 W Total
• Preloaded with single 10" FPR-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Tan

Eclipse ZA1200 Open Box

(Open Box) 1500W Max, ZA Series Class D Monoblock Car Amplifier (ZA-1200)

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 1500W Max, ZA Series Class D Monoblock Car Amplifier (ZA-1200)

ZA Series Class D Monoblock Car Amplifier • 1000 Watts x 1 Chan. @ 4 Ohm • 1200 Watts x 1 Chan. @ 2 Ohm • 1500 Watts • Variable Low-Pass Filter • ICEpower Design • CEA-2006 Compliant • LED Power Indicators

ZA Series Class D Monoblock Car Amplifier • 1000 Watts x 1 Chan. @ 4 Ohm • 1200 Watts x 1 Chan. @ 2 Ohm • 1500 Watts • Variable Low-Pass Filter • ICEpower Design • CEA-2006 Compliant • LED Power Indicators

Soundstream RUB1.2500D- OPEN BOX

2500W RMS, Rubicon Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

2500W RMS, Rubicon Series Class D Monoblock Amplifier

Rubicon Series Monoblock Car Amplifier • 1000 watts x 1 chan @ 4 Ohm • 1700 watts x 1 chan @ 2 Ohm • MOSFET Power Supply • LED Protection Indicator • SMT Built In Cooling Fan • Aluminum Alloy Heatsink

Rubicon Series Monoblock Car Amplifier • 1000 watts x 1 chan @ 4 Ohm • 1700 watts x 1 chan @ 2 Ohm • MOSFET Power Supply • LED Protection Indicator • SMT Built In Cooling Fan • Aluminum Alloy Heatsink

Alpine PDX-M6 (Open Box)

600W RMS PDX Series Monoblock Power Density Class D Digital Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS PDX Series Monoblock Power Density Class D Digital Car Amplifier

• Item Condition: Open Box
• RMS: 600W x 1 @ 4 ohm, 600W x 1 @ 2 ohm
• Total RMS Power: 600W
• CEA-2006 Compliant
• 6-Layer Glass Epoxy PC Board and Compact Size
• Thermal Protection Circuitry
• Dimensions: 7-9/16"D x 10-1/8"W x 2"H

• Item Condition: Open Box
• RMS: 600W x 1 @ 4 ohm, 600W x 1 @ 2 ohm
• Total RMS Power: 600W
• CEA-2006 Compliant
• 6-Layer Glass Epoxy PC Board and Compact Size
• Thermal Protection Circuitry
• Dimensions: 7-9/16"D x 10-1/8"W x 2"H

Clarion XC1410-OPEN BOX

300W XC Series Micro 4-Channel Class-D Compact Design Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

300W XC Series Micro 4-Channel Class-D Compact Design Car Amplifier

• 50W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4-Channel Operation
• 8 Gauge Power and Ground Inputs
• Micro Size Amplifier for Maximizing Space Saving Applications

• 50W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4-Channel Operation
• 8 Gauge Power and Ground Inputs
• Micro Size Amplifier for Maximizing Space Saving Applications

Alpine MRP-M2000 Open Box

(Open Box) 2000W RMS, Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

(Open Box) 2000W RMS, Class D Monoblock Amplifier

V Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 4000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

V Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 4000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

Rockford Fosgate Power T1500-1bd R/B

1500W RMS, Power Series Compact Class bD Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W RMS, Power Series Compact Class bD Amplifier

4 ohm: 500 watts x 1 • 2 ohm: 1000 watts x 1 • 1 ohm: 1500 watts x 1 • CEA 2006 standard ratings for real-world power • High Efficiency Class bd Topology • Bass boost: 24 dB • Frequency Response: 20-250 Hz

4 ohm: 500 watts x 1 • 2 ohm: 1000 watts x 1 • 1 ohm: 1500 watts x 1 • CEA 2006 standard ratings for real-world power • High Efficiency Class bd Topology • Bass boost: 24 dB • Frequency Response: 20-250 Hz

Alpine PDX-F6

600W RMS, PDX Series 4-Channel Power Density Digital Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W RMS, PDX Series 4-Channel Power Density Digital Amplifier

PDX Series 4-Channel Car Amplifier • Class D • 600 Watts RMS • 150 Watts x 4 Chan. RMS • Variable High-Pass and Low-Pass Filter • Blue LED Power/Status Indicator • Compact Size

PDX Series 4-Channel Car Amplifier • Class D • 600 Watts RMS • 150 Watts x 4 Chan. RMS • Variable High-Pass and Low-Pass Filter • Blue LED Power/Status Indicator • Compact Size

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

    2007 Dodge Sprinter

    1955 Chrysler Windsor

    1979 GMC Caballero

    2020 Audi SQ8

    1981 GMC P3500

    1999 Isuzu Trooper

    1966 Cadillac Eldorado

    2000 Mercedes-Benz E-Class

    1983 Chrysler 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.