Garage
Shop

Discontinued Class-D Amplifiers

Loading...
Filters

Shop the Category

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

NVX JAD900.5 - Open Box, Acceptable Condition (Used)

True 900W RMS, Full Range Class D 5-Channel Amplifier with Bass Remote Open Box Complete (Good, Used)

Go to item page Right Arrow Icon of Right Arrow

True 900W RMS, Full Range Class D 5-Channel Amplifier with Bass Remote Open Box Complete (Good, Used)

• 4 ohm: 70 watts x 4 chan. + 220 x 1 chan.
• 2 ohm: 115 watts x 4 chan. + 440 x 1 chan.
• Bridged, 4 ohm: 230 watts x 2 chan. + 440 x 1 chan.
• 5/4/3 Channel Operation

• 4 ohm: 70 watts x 4 chan. + 220 x 1 chan.
• 2 ohm: 115 watts x 4 chan. + 440 x 1 chan.
• Bridged, 4 ohm: 230 watts x 2 chan. + 440 x 1 chan.
• 5/4/3 Channel Operation

JBL GTO-751EZ Open Box Complete

1200 Watt Max Monoblock GTO Series Class D Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200 Watt Max Monoblock GTO Series Class D Car Amplifier

• Item Condition: Open Box
• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 12"L x 2-5/8"H

• Item Condition: Open Box
• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 12"L x 2-5/8"H

db Drive pd2000.1 R/B

Refurbished 2000W Platinum Series Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

Refurbished 2000W Platinum Series Class D Monoblock Amplifier

db Drive pd2000.1 Platinum Class D Monoblock Amplifier • 500W x 1 chan @ 4 ohm • 1000W x 1 chan @ 2 ohm • 2000W x 1 chan @ 1 ohm • Remote Bass Control Included • Variable Bass Boost • Internal Multi-Link Module

db Drive pd2000.1 Platinum Class D Monoblock Amplifier • 500W x 1 chan @ 4 ohm • 1000W x 1 chan @ 2 ohm • 2000W x 1 chan @ 1 ohm • Remote Bass Control Included • Variable Bass Boost • Internal Multi-Link Module

NVX JAD800.4 - As-is, Intermittent or Unfound Defect Used

True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

Go to item page Right Arrow Icon of Right Arrow

True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

• 4 ohm: 125 watts x 4-Chan. RMS
• 2 ohm: 200 watts x 4-Chan. RMS
• Bridged, 4 ohm: 400 x 2 chan. RMS
• Pulse Width Modulated MOSFET Power Supply
• 4/3/2 Channel Operation

• 4 ohm: 125 watts x 4-Chan. RMS
• 2 ohm: 200 watts x 4-Chan. RMS
• Bridged, 4 ohm: 400 x 2 chan. RMS
• Pulse Width Modulated MOSFET Power Supply
• 4/3/2 Channel Operation

Belva BB3000Dv2 (BB3000D v2) - Open Box, Very Good Condition (Used)

3000W Max (1800W RMS) Class D Monoblock BB Series Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

3000W Max (1800W RMS) Class D Monoblock BB Series Car Amplifier

• RMS: 780W x 1 @ 4 ohm, 1260W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 13-3/4"W x 8-1/4"D x 2-1/4"H

• RMS: 780W x 1 @ 4 ohm, 1260W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 13-3/4"W x 8-1/4"D x 2-1/4"H

Hifonics X1900.1D Open Box Complete (Very Good, Used)

1900W BRUTUS X-14 Series Class D Monoblock 1-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

1900W BRUTUS X-14 Series Class D Monoblock 1-Channel Amplifier

• Item Condition: Open Box
• RMS Power: 800W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1900W x 1 @ 1 ohm
• Total Peak Power: 1900W
• CEA-2006 Compliant
• 13.39"W x 2.5"H x 9.49"L

• Item Condition: Open Box
• RMS Power: 800W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1900W x 1 @ 1 ohm
• Total Peak Power: 1900W
• CEA-2006 Compliant
• 13.39"W x 2.5"H x 9.49"L

NVX JAD1200.1 - Open Box, Acceptable Condition (Used)

True 1200W RMS, Class D Monoblock Amplifier with Bass Remote Included(Open Box Complete Used Functional)

Go to item page Right Arrow Icon of Right Arrow

True 1200W RMS, Class D Monoblock Amplifier with Bass Remote Included(Open Box Complete Used Functional)

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

Hifonics BRX2400.1D Open Box, Very Good Condition (Used)

2400 Watt RMS Brutus Series NextGen Class D Monoblock 1-Ohm Stable Subwoofer Amplifier

Go to item page Right Arrow Icon of Right Arrow

2400 Watt RMS Brutus Series NextGen Class D Monoblock 1-Ohm Stable Subwoofer Amplifier

• Item Condition: Open Box Complete
• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total RMS Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 45 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

• Item Condition: Open Box Complete
• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total RMS Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 45 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

NVX JAD800.4 - Refurbished

True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

Go to item page Right Arrow Icon of Right Arrow

True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

• 4 ohm: 125 watts x 4-Chan. RMS
• 2 ohm: 200 watts x 4-Chan. RMS
• Bridged, 4 ohm: 400 x 2 chan. RMS
• Pulse Width Modulated MOSFET Power Supply
• 4/3/2 Channel Operation

• 4 ohm: 125 watts x 4-Chan. RMS
• 2 ohm: 200 watts x 4-Chan. RMS
• Bridged, 4 ohm: 400 x 2 chan. RMS
• Pulse Width Modulated MOSFET Power Supply
• 4/3/2 Channel Operation

NVX JAD900.5 (OPEN BOX, LIKE NEW)

True 1800 Watt Peak 900W RMS, Full Range Class D 5-Channel Amplifier with Bass Remote

Go to item page Right Arrow Icon of Right Arrow

True 1800 Watt Peak 900W RMS, Full Range Class D 5-Channel Amplifier with Bass Remote

• 4 ohm: 70 watts x 4 chan. + 220 x 1 chan.
• 2 ohm: 115 watts x 4 chan. + 440 x 1 chan.
• Bridged, 4 ohm: 230 watts x 2 chan. + 440 x 1 chan.
• 5/4/3 Channel Operation

• 4 ohm: 70 watts x 4 chan. + 220 x 1 chan.
• 2 ohm: 115 watts x 4 chan. + 440 x 1 chan.
• Bridged, 4 ohm: 230 watts x 2 chan. + 440 x 1 chan.
• 5/4/3 Channel Operation

Alpine MRV-F300 OPEN BOX COMPLETE

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

Opened and Never Installed
• 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

Opened and Never Installed
• 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

Hifonics HFi1000.1D (Open Box Complete)

1000 Watt RMS Class D Monoblock HFi Series 1-Ohm Stable Subwoofer Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000 Watt RMS Class D Monoblock HFi Series 1-Ohm Stable Subwoofer Amplifier

• 4 ohm: 475 watts x 1 chan.
• 2 ohm: 750 watts x 1 chan.
• 1 ohm: 1000 watts x 1 chan.
• Wired HFR-3 remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Frequency Response: 15 - 250 Hz
• Signal to Noise Ration: >95 dB
• Variable low-pass filter: 30 - 250 Hz, 24 dB/octave

• 4 ohm: 475 watts x 1 chan.
• 2 ohm: 750 watts x 1 chan.
• 1 ohm: 1000 watts x 1 chan.
• Wired HFR-3 remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Frequency Response: 15 - 250 Hz
• Signal to Noise Ration: >95 dB
• Variable low-pass filter: 30 - 250 Hz, 24 dB/octave

JBL GTX 500 (GTX500) - Open Box, Very Good Condition Used

770W Max (500W RMS) GTX Series Class-D Monoblock 2-Ohm Stable Amplifier

Go to item page Right Arrow Icon of Right Arrow

770W Max (500W RMS) GTX Series Class-D Monoblock 2-Ohm Stable Amplifier

• RMS: 350W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 770W
Bare wire-to-RCA adapters included
• Signal sensing turn-on
• Signal to Noise Ratio: > 80 dB
• Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)

• RMS: 350W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 770W
Bare wire-to-RCA adapters included
• Signal sensing turn-on
• Signal to Noise Ratio: > 80 dB
• Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)

Alpine MRP-M650 R/B

Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

Class D Monoblock Amplifier

Class D mono subwoofer car amplifier • 400W RMS x 1 @ 4 ohm • 600W RMS x 1 @ 2 ohm • CEA-2006 compliant • Gold-plated screw terminals

Class D mono subwoofer car amplifier • 400W RMS x 1 @ 4 ohm • 600W RMS x 1 @ 2 ohm • CEA-2006 compliant • Gold-plated screw terminals

NVX JAD800.4 - Like New (Used)

True 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4) Open Box Complete- Very Good/Used

Go to item page Right Arrow Icon of Right Arrow

True 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4) Open Box Complete- Very Good/Used

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

Crunch GTR1000.4 (Factory Refurbished)

1000W Max 4-Channel GTR Series Class AB Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W Max 4-Channel GTR Series Class AB Amplifier

• 125 Watts Max x 4 @ 4 ohm
• 250 Watts Max x 4 @ 2 ohm
• 500 Watts Max x 2 @ 4 ohm, Bridged
• Total Peak Power: 1000 Watts
• 4/3/2 channel operation
• Selectable crossover modes: Full / LPF / HPF
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Variable Bass Boost: 0 to +9 dB bass boost at 45 Hz

• 125 Watts Max x 4 @ 4 ohm
• 250 Watts Max x 4 @ 2 ohm
• 500 Watts Max x 2 @ 4 ohm, Bridged
• Total Peak Power: 1000 Watts
• 4/3/2 channel operation
• Selectable crossover modes: Full / LPF / HPF
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Variable Bass Boost: 0 to +9 dB bass boost at 45 Hz

Rockford Fosgate R1200-1D Open Box Complete

1200W RMS Prime Series Class-D Monoblock 1-Ohm Stable Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W RMS Prime Series Class-D Monoblock 1-Ohm Stable Amplifier

• Open Box Complete
• RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Class D Circuitry
• Dimensions: 6-3/4"L x 11-1/16"W x 2"H

• Open Box Complete
• RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Class D Circuitry
• Dimensions: 6-3/4"L x 11-1/16"W x 2"H

NVX JAD800.4 - Open Box, Acceptable Condition (Used)

True 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)(Open Box Complete Used Functional)

Go to item page Right Arrow Icon of Right Arrow

True 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)(Open Box Complete Used Functional)

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

Kenwood KAC-8103D OB

1000W max. Class D Monoblock Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W max. Class D Monoblock Amplifier

100 watt Class D Monoblock Amplifier • 300W RMS x 1 @ 4 ohm • 500W RMS x 1 @ 2 ohm • Variable Low-Pass and Infrasonic Filter • S/N Ratio is 85 dB

100 watt Class D Monoblock Amplifier • 300W RMS x 1 @ 4 ohm • 500W RMS x 1 @ 2 ohm • Variable Low-Pass and Infrasonic Filter • S/N Ratio is 85 dB

Polk Audio PA D1000.1 Open Box Missing (Acceptable, Used)

1200W RMS PA D Series Class-D Monoblock Car Amplifier Open Box Missing (Acceptable, Used)

Go to item page Right Arrow Icon of Right Arrow

1200W RMS PA D Series Class-D Monoblock Car Amplifier Open Box Missing (Acceptable, Used)

• 500 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• Wired remote bass level control included
• CEA-2006 Compliant
• Signal to Noise Ration: 105 dBA
• Variable Bass Boost: 0 to +12 dB bass boost at 44 Hz
• Dimensions: 6-3/4" W x 12-15/16" L x 1-13/16" H

• 500 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• Wired remote bass level control included
• CEA-2006 Compliant
• Signal to Noise Ration: 105 dBA
• Variable Bass Boost: 0 to +12 dB bass boost at 44 Hz
• Dimensions: 6-3/4" W x 12-15/16" L x 1-13/16" H

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

    2001 Nissan Altima

    2000 Saturn SC2

    1998 Cadillac Catera

    1996 GMC C2500

    1959 GMC 250

    2011 GMC Terrain

    2007 BMW X3

    1998 Dodge Durango

    1985 Mazda GLC

    2012 Lexus LX570

    Vehicle
    Store
    Delete

    2007 Harley Davidson FLTR Road Glide

    Vehicle
    Store
    Delete

    2014 Can-Am Commander DPS 800R

    2015 Can-Am Commander 800R DPS

    2014 Can-Am Commander 1000 LTD

    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.