Garage
Shop

Discontinued Class-D Amplifiers

Loading...
Filters

Shop the Category

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

Audiobahn A12005DN R/B

1200W Max, Intake Series Class D Monoblock Amplifier (Factory Refurbished)

Go to item page Right Arrow Icon of Right Arrow

1200W Max, Intake Series Class D Monoblock Amplifier (Factory Refurbished)

Class-D Intake Series Monoblock Amplifier • 600W RMS x 1 @ 2 • 375W RMS x 1 @ 4 • High and Low Level Inputs • 0-18dB Bass Boost • Variable Low-Pass and Subsonic Filters

Class-D Intake Series Monoblock Amplifier • 600W RMS x 1 @ 2 • 375W RMS x 1 @ 4 • High and Low Level Inputs • 0-18dB Bass Boost • Variable Low-Pass and Subsonic Filters

Hifonics ZRX1500.1D OPEN BOX COMPLETE

1500W Max Monoblock Class D Zeus Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1500W Max Monoblock Class D Zeus Series Car Amplifier

  • Item Condition: Open Box Complete
  • • Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • Class D Circuitry
    • Variable Bass Boost: 0 to +10 dB at 50 Hz
    • Wired Bass Remote Included
    • Dimensions: 14-8/10"L x 10"W x 2-1/3"H

  • Item Condition: Open Box Complete
  • • Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • Class D Circuitry
    • Variable Bass Boost: 0 to +10 dB at 50 Hz
    • Wired Bass Remote Included
    • Dimensions: 14-8/10"L x 10"W x 2-1/3"H
    NVX - Worth the Envy - Direct to Consumer Car Audio

    Massive Audio N3

    2800W Max Nano Block Series Monoblock Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    2800W Max Nano Block Series Monoblock Amplifier

    Massive Audio N3 Nano Block Series Monoblock Car Amplifier • 2800W Max • 1 ohm Stable • MOSFET Power Supply • LED Power/Protect Indicators • Ultimate Mounting Flexibility • Mill Spec Double Sided PCB with SMD Parts

    Massive Audio N3 Nano Block Series Monoblock Car Amplifier • 2800W Max • 1 ohm Stable • MOSFET Power Supply • LED Power/Protect Indicators • Ultimate Mounting Flexibility • Mill Spec Double Sided PCB with SMD Parts

    Alpine PDX-1.1000 R/B

    (MISSING ACCESSORIES) FACTORY REFURBISHED

    Go to item page Right Arrow Icon of Right Arrow

    (MISSING ACCESSORIES) FACTORY REFURBISHED

    Class D Monoblock Subwoofer Amplifier • 1000W x 1 chan. @ 4 Ohm • stackable installation design • MOSFET power supply • adjustable gain control • RCA inputs • CEA-2006 compliant • speaker connectors

    Class D Monoblock Subwoofer Amplifier • 1000W x 1 chan. @ 4 Ohm • stackable installation design • MOSFET power supply • adjustable gain control • RCA inputs • CEA-2006 compliant • speaker connectors

    JL Audio e1800D R/B

    1000W RMS, Factory Refurbished Class D Monoblock Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    1000W RMS, Factory Refurbished Class D Monoblock Amplifier

    1000W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 1000W x 1 @ 2 Ohm RMS (14.4V) • 640W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

    1000W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 1000W x 1 @ 2 Ohm RMS (14.4V) • 640W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

    Hifonics BX1205D R/B

    Refurbished with full 1-year warranty. 1200 watts, Super Class D Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    Refurbished with full 1-year warranty. 1200 watts, Super Class D Amplifier

    1200 Watt Super D-Class Amplifier • 1200W RMS x 1 @ 1 ohm • Wired Bass Remote Included • 1 Pair Line Outputs • LPF(35-250Hz), Subsonic(15-35Hz) • Illuminated Hifonics Logo • 0-18 dB Bass Boost

    1200 Watt Super D-Class Amplifier • 1200W RMS x 1 @ 1 ohm • Wired Bass Remote Included • 1 Pair Line Outputs • LPF(35-250Hz), Subsonic(15-35Hz) • Illuminated Hifonics Logo • 0-18 dB Bass Boost

    MB Quart ONX1.1500D (Factory Refurbished)

    1500W RMS ONYX Series Class D Monoblock Amplifier (ONX-1.1500D)

    Go to item page Right Arrow Icon of Right Arrow

    1500W RMS ONYX Series Class D Monoblock Amplifier (ONX-1.1500D)

    ONYX Series Monoblock Class D Car Amplifier • 1500W x 1 Chan @ 1 Ohm • 1000W x 1 Chan @ 2 Ohm • Dual Speaker Terminals • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

    ONYX Series Monoblock Class D Car Amplifier • 1500W x 1 Chan @ 1 Ohm • 1000W x 1 Chan @ 2 Ohm • Dual Speaker Terminals • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

    Planet Audio AC5000.1D OPEN BOX COMPLETE

    5000W Max Anarchy Series Class D Monoblock Power Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    5000W Max Anarchy Series Class D Monoblock Power Amplifier

    • RMS: 1800W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 3500W x 1 @ 1 ohm
    • Total Peak Power: 5000W
    • Illuminated Logo
    • Bass Boost 0-18 dB
    • Chrome-Plated Connections
    • Dimensions: 18"L x 10"W x 2-3/16"H

    • RMS: 1800W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 3500W x 1 @ 1 ohm
    • Total Peak Power: 5000W
    • Illuminated Logo
    • Bass Boost 0-18 dB
    • Chrome-Plated Connections
    • Dimensions: 18"L x 10"W x 2-3/16"H

    Kicker ZX400.1 (11ZX400.1) Like New

    Like New 400W RMS, Class D Monoblock ZX Series Amplifier (ZX4001)

    Go to item page Right Arrow Icon of Right Arrow

    Like New 400W RMS, Class D Monoblock ZX Series Amplifier (ZX4001)

    ZX Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization • Open Box

    ZX Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization • Open Box

    Hifonics BE1200.1D (Factory Refurbished)

    1200W Monoblock Brutus Elite Series Super Class D Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    1200W Monoblock Brutus Elite Series Super Class D Amplifier

    • RMS Power: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • Variable Low Pass Filter
    • Dimensions: 9.65" W x 13.78" L x 2.48" H

    • RMS Power: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • Variable Low Pass Filter
    • Dimensions: 9.65" W x 13.78" L x 2.48" H

    MB Quart ONX4.125 Open Box

    Open Box: 1000W RMS, ONYX Series 4-Channel Amplifier (ONX-4.125)

    Go to item page Right Arrow Icon of Right Arrow

    Open Box: 1000W RMS, ONYX Series 4-Channel Amplifier (ONX-4.125)

    ONYX Series 4-Channel Class A/B Car Amplifier • 250W x 4 Chan @ 2 Ohm • 125W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

    ONYX Series 4-Channel Class A/B Car Amplifier • 250W x 4 Chan @ 2 Ohm • 125W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

    Boss D1200M R/B

    1200W Max, Class D Monoblock Diablo Series Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    1200W Max, Class D Monoblock Diablo Series Amplifier

    Diablo Series Class D Monoblock Car Amplifier • 280W x 1 chan. @ 4 ohm • 1200 watts x 1 chan. Max • Stackable operation • Preamp RCA outputs • Phase switch

    Diablo Series Class D Monoblock Car Amplifier • 280W x 1 chan. @ 4 ohm • 1200 watts x 1 chan. Max • Stackable operation • Preamp RCA outputs • Phase switch

    Polk Audio PA D1000.1 (PAD1000.1) Open Box

    1200W RMS Monoblock Class D PA Series Car Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    1200W RMS Monoblock Class D PA Series Car Amplifier

    PA Series Monoblock Class D Car Amplifier • 500W x 1-Chan. @ 4 ohm • 800W x 1-Chan. @ 2 ohm • 1200W x 1-Chan. @ 1 ohm • Level Control • Line Level Output • Low-Pass Filter • Subsonic Filter • Bass Boost

    PA Series Monoblock Class D Car Amplifier • 500W x 1-Chan. @ 4 ohm • 800W x 1-Chan. @ 2 ohm • 1200W x 1-Chan. @ 1 ohm • Level Control • Line Level Output • Low-Pass Filter • Subsonic Filter • Bass Boost

    Soundstream DTR1.1400D R/B

    1400W RMS, Monoblock D-Tower Series Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    1400W RMS, Monoblock D-Tower Series Amplifier

    Soundstream DTR Series Monoblock Amplifier • Class D Circuitry • 900 Watts x 1 Chan. @ 2 ohm • 1400 Watts x 1 Chan. @ 1 ohm • Power and Protection LED Indicators • Mounts Vertical • Speaker-Level Inputs • Gloss Black Finish

    Soundstream DTR Series Monoblock Amplifier • Class D Circuitry • 900 Watts x 1 Chan. @ 2 ohm • 1400 Watts x 1 Chan. @ 1 ohm • Power and Protection LED Indicators • Mounts Vertical • Speaker-Level Inputs • Gloss Black Finish

    Planet Audio BB2500.1 OPEN BOX COMPLETE

    2500W Max Big Bang Series Monoblock Digital Class D Car Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    2500W Max Big Bang Series Monoblock Digital Class D Car Amplifier

    Box torn open
    • Peak: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
    • Total Peak Power: 2500W
    • Class D Circuitry
    • Bass Boost: 0-18 dB
    • 1 Pair of Preamp Outputs
    • Dimensions: 10-1/4"W x 6-8/9"L x 2-3/10"H

    Box torn open
    • Peak: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
    • Total Peak Power: 2500W
    • Class D Circuitry
    • Bass Boost: 0-18 dB
    • 1 Pair of Preamp Outputs
    • Dimensions: 10-1/4"W x 6-8/9"L x 2-3/10"H

    JL Audio e1400D FACTORY R/B

    FACTORY REPAIRED - NO WARRANTY

    Go to item page Right Arrow Icon of Right Arrow

    FACTORY REPAIRED - NO WARRANTY

    500W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 500W x 1 @ 2 Ohm RMS (14.4V) • 320 W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

    500W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 500W x 1 @ 2 Ohm RMS (14.4V) • 320 W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

    JBL GTO-1001EZ LIKE NEW DAMAGED PACKAGING

    1000 Watt RMS GTO Series Class D Monoblock Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    1000 Watt RMS GTO Series Class D Monoblock Amplifier

    Like new Damaged Package
    • 650W RMS x 1 @ 4 ohm
    • 1000W RMS x 1 @ 2 ohm
    • Total Peak Power: 1450W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +12 dB
    • Class AB/D Circuitry
    • Dimensions: 14-11/16"W x 11-15/16"L x 2-5/8"H

    Like new Damaged Package
    • 650W RMS x 1 @ 4 ohm
    • 1000W RMS x 1 @ 2 ohm
    • Total Peak Power: 1450W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +12 dB
    • Class AB/D Circuitry
    • Dimensions: 14-11/16"W x 11-15/16"L x 2-5/8"H

    Soundstream Di475.1 R/B

    475W, Class D Monoblock Amplifier (Di 475.1)

    Go to item page Right Arrow Icon of Right Arrow

    475W, Class D Monoblock Amplifier (Di 475.1)

    Extreme Bass Machine Single-Channel Car Amplifier • Class D2 • 350W x 1 Chan. @ 4 ohm • 475W x 1 Chan. @ 2 ohm • Selectable Bass Boost • Speaker-Level Inputs • 3 Stage Protection Circuit • Compact Chassis and Design

    Extreme Bass Machine Single-Channel Car Amplifier • Class D2 • 350W x 1 Chan. @ 4 ohm • 475W x 1 Chan. @ 2 ohm • Selectable Bass Boost • Speaker-Level Inputs • 3 Stage Protection Circuit • Compact Chassis and Design

    Power Acoustik LFA1-5500D R/B

    5500W Max, Class D Monoblock LFA Series Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    5500W Max, Class D Monoblock LFA Series Amplifier

    Class D Monoblock LFA Series Amplifier • 5500W Max • 1700W x 1 Chan. @ 4Ohm • 2500W x 1 Chan. @ 2Ohm • 3200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

    Class D Monoblock LFA Series Amplifier • 5500W Max • 1700W x 1 Chan. @ 4Ohm • 2500W x 1 Chan. @ 2Ohm • 3200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

    Power Acoustik OV1-3000D R/B

    3000W Max, Gothic Series Class D Monoblock Amplifier

    Go to item page Right Arrow Icon of Right Arrow

    3000W Max, Gothic Series Class D Monoblock Amplifier

    FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 1700W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

    FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 1700W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

    NVX - Worth the Envy - Direct to Consumer Car Audio

    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

      1975 GMC K3500 Pickup

      2017 Audi S8

      2015 Dodge Durango

      1969 Cadillac Eldorado

      2018 Audi A8 Quattro

      1991 Volvo 940

      2002 Dodge Caravan

      2012 Ram 2500

      2015 Lexus CT200h

      2000 GMC Yukon

      Vehicle
      Store
      Delete

      2005 Harley Davidson FLSTFSE Screamin Eagle Fat Boy

      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.