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Discontinued Class-D Amplifiers

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Hifonics HFi2000D

2000W RMS, Class D Monoblock HFi Series Amplifier (HFi 2000D)

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2000W RMS, Class D Monoblock HFi Series Amplifier (HFi 2000D)

HFi Series Monoblock Class D Car Amplifier • 1300W x 1-Chan. @ 2 Ohm • 2000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

HFi Series Monoblock Class D Car Amplifier • 1300W x 1-Chan. @ 2 Ohm • 2000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

DEI - Directed Audio D600

600W Max, Class D Monoblock Amplifier

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600W Max, Class D Monoblock Amplifier

Class-D Monoblock Amplifier • 300W RMS x 1 @ 2 • Remote Level Control Included • Variable Crossover • 8dB Bass Boost • Adjustable Input Sensitivity

Class-D Monoblock Amplifier • 300W RMS x 1 @ 2 • Remote Level Control Included • Variable Crossover • 8dB Bass Boost • Adjustable Input Sensitivity

RE Audio SA500.1

500W Monoblock SA Series Class D Amplifier

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500W Monoblock SA Series Class D Amplifier

• 150 Watts RMS x 1 @ 4 ohm
• 250 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 500 Watts
• CEA-2006 Compliant
• Variable Bass Boost : 0 to +12 dB bass boost at 45 Hz

• 150 Watts RMS x 1 @ 4 ohm
• 250 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 500 Watts
• CEA-2006 Compliant
• Variable Bass Boost : 0 to +12 dB bass boost at 45 Hz

Precision Power PPI PDX-10K (Rare Competition Amplifier)

10,000W RMS, Monoblock Class D PDX Series Car Amplifier

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10,000W RMS, Monoblock Class D PDX Series Car Amplifier

• RMS: 3700W x 1 @ 2 ohm, 6100W x 1 @ 1 ohm, 10000W x 1 @ 0.5 ohm
• Total RMS Power: 10000W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB
• Class D Circuitry
• Dimensions: 12-5/8"W x 23-1/4"L x 2-3/4"H

• RMS: 3700W x 1 @ 2 ohm, 6100W x 1 @ 1 ohm, 10000W x 1 @ 0.5 ohm
• Total RMS Power: 10000W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB
• Class D Circuitry
• Dimensions: 12-5/8"W x 23-1/4"L x 2-3/4"H

Planet Audio BB4000.1

4000W Max Big Bang Series Monoblock Digital Class D Car Amplifier

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4000W Max Big Bang Series Monoblock Digital Class D Car Amplifier

• Peak: 1500W x 1 @ 4 ohm, 2000W x 1 @ 2 ohm, 4000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 17.125"W x 6.99"L x 2.438"H

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• Peak: 1500W x 1 @ 4 ohm, 2000W x 1 @ 2 ohm, 4000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 17.125"W x 6.99"L x 2.438"H

Boss PH3000D

3000W Max Class D Monoblock Phantom Series Power Amplifier

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3000W Max Class D Monoblock Phantom Series Power Amplifier

• RMS: 1200W x 1 @ 4 ohm
• Peak: 2200W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Low Pass Filter: 50-150 Hz
• Dimensions: 9-1/2"L x 13"W x 2-1/4H

• RMS: 1200W x 1 @ 4 ohm
• Peak: 2200W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Low Pass Filter: 50-150 Hz
• Dimensions: 9-1/2"L x 13"W x 2-1/4H

Rockford Fosgate Power T20001bd

2000 watts, Class BD Monoblock Amplifier (T20001 bd)

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2000 watts, Class BD Monoblock Amplifier (T20001 bd)

2000W RMS Class BD Amplifier • 2000W RMS @ 1 Ohm • 1500W RMS @ 2 Ohm • Wired Bass Remote Included (35 - 70Hz, 0 - 18dB) • 1/0 AWG power and ground connections with internal ANL fusing • Preamp outputs • Low-Pass and Infrasonic filters • 0 - 180 Degree Phase Control

2000W RMS Class BD Amplifier • 2000W RMS @ 1 Ohm • 1500W RMS @ 2 Ohm • Wired Bass Remote Included (35 - 70Hz, 0 - 18dB) • 1/0 AWG power and ground connections with internal ANL fusing • Preamp outputs • Low-Pass and Infrasonic filters • 0 - 180 Degree Phase Control

Cerwin-Vega XED3001

300 Watt 2-Ohm Monoblock Amplifier

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300 Watt 2-Ohm Monoblock Amplifier

• 200 Watts RMS x 1 @ 4 ohm
• 260 Watts RMS x 1 @ 2 ohm
• 350 Watts RMS x 1 @ 1 ohm
• Total RMS Power: 300 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• FEATURE (Boost/etc)
• HEATSINK
• DIMENSIONS: 6.3"W x 4.7"L x 1.8"H

• 200 Watts RMS x 1 @ 4 ohm
• 260 Watts RMS x 1 @ 2 ohm
• 350 Watts RMS x 1 @ 1 ohm
• Total RMS Power: 300 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• FEATURE (Boost/etc)
• HEATSINK
• DIMENSIONS: 6.3"W x 4.7"L x 1.8"H

Alpine MRD-M605 ** LIMITED TIME PRICE **

600 watts, V12 Series Class D Monoblock Amplifier

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600 watts, V12 Series Class D Monoblock Amplifier

600 watts RMS x 1 at 2 ohm • Bass Engine® with low-pass filter, subsonic filter, parametric EQ, and Bass Compensator • preamp outputs

600 watts RMS x 1 at 2 ohm • Bass Engine® with low-pass filter, subsonic filter, parametric EQ, and Bass Compensator • preamp outputs

Sony XM-SD61X

MonoBlock Class D Amplifier

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MonoBlock Class D Amplifier

Specialty Series Class-D Monoblock Amplifier • 300W RMS x 1 @ 4 • 600W RMS x 1 @ 2 • Bass Remote Included • Blue LED Lighting • High and Low Level Inputs • RCA Passthrough • Protection Circuit

Specialty Series Class-D Monoblock Amplifier • 300W RMS x 1 @ 4 • 600W RMS x 1 @ 2 • Bass Remote Included • Blue LED Lighting • High and Low Level Inputs • RCA Passthrough • Protection Circuit

Rockford Fosgate Prime R750-1D

750W RMS Prime Series Class-D Monoblock 1-Ohm Stable Amplifier

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750W RMS Prime Series Class-D Monoblock 1-Ohm Stable Amplifier

• RMS: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Punch Bass: 0 to +12 dB
• Class D Circuitry
• Dimensions: 6-11/16"L x 9-1/8"W x 2"H

• RMS: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Punch Bass: 0 to +12 dB
• Class D Circuitry
• Dimensions: 6-11/16"L x 9-1/8"W x 2"H

NVX BDA7501 (Open Box, Very Good Condition Used)

True 750W RMS Monoblock Class D Amplifier Specifically made for BD Series

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True 750W RMS Monoblock Class D Amplifier Specifically made for BD Series

• Open Box Complete
• True RMS Power: 450W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• CEA-2006 Compliant
• Dimensions: 7" W x 9.75" L x 2" H

• Open Box Complete
• True RMS Power: 450W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• CEA-2006 Compliant
• Dimensions: 7" W x 9.75" L x 2" H

NVX JAD1200.1 Open Box Complete (Very Good, Used)

True 1200W RMS Class D Monoblock Amplifier with Bass Remote Included

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True 1200W RMS Class D Monoblock Amplifier with Bass Remote Included

• Item Condition: Open Box
• RMS: 500W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Ultra Efficient Class D Design
• Dimensions: 6-7/10"W x 12-8/10"L x 1-8/10"H

• Item Condition: Open Box
• RMS: 500W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Ultra Efficient Class D Design
• Dimensions: 6-7/10"W x 12-8/10"L x 1-8/10"H

Earthquake Sound MiNi D2500

2500W Peak (2000W RMS) MiNi Series Class-D Monoblock 1-Ohm Stable Amplifier with Remote Level Control

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2500W Peak (2000W RMS) MiNi Series Class-D Monoblock 1-Ohm Stable Amplifier with Remote Level Control

• 850 Watts RMS x 1 @ 4 ohm
• 1800 Watts RMS x 1 @ 2 ohm
• 2000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2500 Watts
• Built-In Low-Pass and Subsonic Filters
• Compact Size Gives More Installation Options
• Aluminum Heatsink
• Dimensions: 12-13/16" W x 6-5/16" L x 1-7/8" H

• 850 Watts RMS x 1 @ 4 ohm
• 1800 Watts RMS x 1 @ 2 ohm
• 2000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2500 Watts
• Built-In Low-Pass and Subsonic Filters
• Compact Size Gives More Installation Options
• Aluminum Heatsink
• Dimensions: 12-13/16" W x 6-5/16" L x 1-7/8" H

SPL FX1-3000D

Class D Monoblock Amplifier

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Class D Monoblock Amplifier

FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 170000W 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 • 170000W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

SPL FX1-4000D

Class D 4000 Watt Monoblock Amplifier

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Class D 4000 Watt Monoblock Amplifier

FX1 Series 1-Channel Class D Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • 4000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

FX1 Series 1-Channel Class D Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • 4000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

Hifonics Brutus BRZ2100.1D

2100W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier (BRZ 2100.1D)

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2100W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier (BRZ 2100.1D)

Brutus Series Monoblock Class D Car Amplifier • 2100W x 1-Chan. @ 1 Ohm • 1400W x 1-Chan. @ 2 Ohm • 700W x 1-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • Phase Shift • Silver-Plated RCA Inputs

Brutus Series Monoblock Class D Car Amplifier • 2100W x 1-Chan. @ 1 Ohm • 1400W x 1-Chan. @ 2 Ohm • 700W x 1-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • Phase Shift • Silver-Plated RCA Inputs

Precision Power P900.5, Open Box (Very Good, Used)

900W RMS, Phantom Series Class D Full Range 5-Channel Amplifier

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900W RMS, Phantom Series Class D Full Range 5-Channel Amplifier

• Item Condition - Very Good, Used
• 70W RMS x 4 Channels + 270W RMS x 1 channel @ 4 ohm
• Tri-Mode Capable
• 3-Way System Protection
• Variable Low-Pass Crossover
• Variable High-Pass Crossover
• Band-Pass Crossovers
• Input Source Selector

• Item Condition - Very Good, Used
• 70W RMS x 4 Channels + 270W RMS x 1 channel @ 4 ohm
• Tri-Mode Capable
• 3-Way System Protection
• Variable Low-Pass Crossover
• Variable High-Pass Crossover
• Band-Pass Crossovers
• Input Source Selector

** CRAZY DEAL!! ** MTX Audio TA5601 Thunder 5601

Class D Monoblock Amplifier Thunder5601

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Class D Monoblock Amplifier Thunder5601

600 watts RMS x 1 at 2 ohm • variable low-pass filter • Class D design • preamp outputs • speaker-level inputs with SmartEngage • subsonic filter • wired remote bass boost/cut

600 watts RMS x 1 at 2 ohm • variable low-pass filter • Class D design • preamp outputs • speaker-level inputs with SmartEngage • subsonic filter • wired remote bass boost/cut

Power Acoustik EG1-7000D

3500W RMS Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

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3500W RMS Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

• 1100 Watts RMS x 1 @ 4 ohm
• 2300 Watts RMS x 1 @ 2 ohm
• 3500 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 7000 Watts
• Variable low-pass filter: 30 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost
• Subsonic filter: 20 - 50 Hz , 12 dB/octave
• Dimensions: 9"W x 16.25"L x 2.25"H

• 1100 Watts RMS x 1 @ 4 ohm
• 2300 Watts RMS x 1 @ 2 ohm
• 3500 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 7000 Watts
• Variable low-pass filter: 30 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost
• Subsonic filter: 20 - 50 Hz , 12 dB/octave
• Dimensions: 9"W x 16.25"L x 2.25"H

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    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.
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