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NVX XAD14 (Open Box, Great)

3000W RMS X-Series Full-Bridge Class D 1-Ohm Stable Monoblock Amplifier

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3000W RMS X-Series Full-Bridge Class D 1-Ohm Stable Monoblock Amplifier

• 1100 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Frequency Response: 10 - 300 Hz
• CEA-2006 Compliant Amplifier

• 1100 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Frequency Response: 10 - 300 Hz
• CEA-2006 Compliant Amplifier

NVX XAD15 (Like New (Open Box))

5000W RMS X-Series Full-Bridge Class D 1-Ohm Stable Monoblock Amplifier

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5000W RMS X-Series Full-Bridge Class D 1-Ohm Stable Monoblock Amplifier

• 1850 watts x 1 channel @ 4 ohm
• 3300 watts x 1 channel @ 2 ohm
• 5000 watts x 1 channel @ 1 ohm
• Total RMS Power: 5000 watts
• Frequency Response: 10 - 300 Hz
• CEA-2006 Compliant Amplifier

• 1850 watts x 1 channel @ 4 ohm
• 3300 watts x 1 channel @ 2 ohm
• 5000 watts x 1 channel @ 1 ohm
• Total RMS Power: 5000 watts
• Frequency Response: 10 - 300 Hz
• CEA-2006 Compliant Amplifier

JL Audio J2 1000.1 (J21000.1) Open Box

(Open Box) 1000W RMS, J2 Series Class D Monoblock Subwoofer Amplifier with Bass Remote

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(Open Box) 1000W RMS, J2 Series Class D Monoblock Subwoofer Amplifier with Bass Remote

J2 Series Monoblock High-Efficiency Class D Car Amplifier • 1000W x 1 Chan. @ 1 ohm • MOSFET power supply • Bass remote included • Preamp RCA outputs • Low-pass active filter

J2 Series Monoblock High-Efficiency Class D Car Amplifier • 1000W x 1 Chan. @ 1 ohm • MOSFET power supply • Bass remote included • Preamp RCA outputs • Low-pass active filter

NVX VAD11005 (Like New (Open Box))

1100W Full Range Class D 5-Channel Car/Marine/Powersports Amplifier with Bass Remote

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1100W Full Range Class D 5-Channel Car/Marine/Powersports Amplifier with Bass Remote

• 4 ohm: 80 watts x 4 chan. + 350 x 1 chan.
• 2 ohm: 125 watts x 4 chan. + 600 x 1 chan.
• Bridged, 4 ohm: 250 watts x 2 chan. + 600 x 1 chan.
• 5/4/2 Channel Operation

• 4 ohm: 80 watts x 4 chan. + 350 x 1 chan.
• 2 ohm: 125 watts x 4 chan. + 600 x 1 chan.
• Bridged, 4 ohm: 250 watts x 2 chan. + 600 x 1 chan.
• 5/4/2 Channel Operation

Belva BB3000Dv2 (BB3000D v2) (Open Box, Good)

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

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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

JL Audio XD600/6V2 (Open Box, Complete)

600W XDv2 Series 6-Channel Class D Full-Range Amplifier with High-Speed NexD Switching Design

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600W XDv2 Series 6-Channel Class D Full-Range Amplifier with High-Speed NexD Switching Design

• RMS: 75 W x 6 @ 4 ohm, 100 W x 6 @ 2 ohm, 200 W x 3 @ 4 ohm Bridged
• NexD™ Switching Technology
• Differential Balanced Input Section
• Advanced Rollback Protection
• Frequency Response: 12 Hz - 22 kHz (+0, -1dB)
• Detented, Calibrated Filter Freq. Potentiometer

• RMS: 75 W x 6 @ 4 ohm, 100 W x 6 @ 2 ohm, 200 W x 3 @ 4 ohm Bridged
• NexD™ Switching Technology
• Differential Balanced Input Section
• Advanced Rollback Protection
• Frequency Response: 12 Hz - 22 kHz (+0, -1dB)
• Detented, Calibrated Filter Freq. Potentiometer

JL Audio JD1000/1 (Open Box, Great)

1000W RMS Class D JD Series Monoblock Car Amplifier

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1000W RMS Class D JD Series Monoblock Car Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

JL Audio HX280/4 Open Box Complete (Very Good, Used)

280W 4-Ch Class D Full-Range Ultra-Compact Amplifier for Powersport Vehicles

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280W 4-Ch Class D Full-Range Ultra-Compact Amplifier for Powersport Vehicles

• Item Condition: Open Box
• 50W x 4 @ 4ohm , 70W x 4 @ 2ohm
• NexD™ ultra-high-speed switching design
• Black powder-coated finish
• Gasketed cover for the controls
• Stainless steel hardware for durability
• Accepts RCA (low-level) & Speaker-level (high-level) signal
• Signal to Noise Ration: 89.5 dB

• Item Condition: Open Box
• 50W x 4 @ 4ohm , 70W x 4 @ 2ohm
• NexD™ ultra-high-speed switching design
• Black powder-coated finish
• Gasketed cover for the controls
• Stainless steel hardware for durability
• Accepts RCA (low-level) & Speaker-level (high-level) signal
• Signal to Noise Ration: 89.5 dB

JL Audio HX300/1 Open Box Complete (Very Good, Used)

300W Class D Full-Range Ultra-Compact Monoblock Amplifier for Powersport Vehicles

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300W Class D Full-Range Ultra-Compact Monoblock Amplifier for Powersport Vehicles

• Item Condition: Open Box
• 160w x 1 @ 4ohm , 220w x 1 @ 3ohm , 300w x 1 @ 2ohm
• NexD™ ultra-high-speed switching design
• Black powder-coated finish
• Gasketed cover for the controls
• Stainless steel hardware for durability
• Accepts RCA (low-level) & Speaker-level (high-level) signal
• Signal to Noise Ration: 85 dB

• Item Condition: Open Box
• 160w x 1 @ 4ohm , 220w x 1 @ 3ohm , 300w x 1 @ 2ohm
• NexD™ ultra-high-speed switching design
• Black powder-coated finish
• Gasketed cover for the controls
• Stainless steel hardware for durability
• Accepts RCA (low-level) & Speaker-level (high-level) signal
• Signal to Noise Ration: 85 dB

JL Audio JX1000/1D (Open box complete)

1000W RMS JX Series Monoblock Class D Subwoofer Amplifier

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1000W RMS JX Series Monoblock Class D Subwoofer Amplifier

• Peak: 500W x 1 @ 4 ohm, 750W x 1 @ 3 ohm, 1000W x 1 @ 2 ohm
• Unregulated PWM switching type power supply
• Class D Circuitry
• Bass Boost: 0-12 dB
• Speaker-level (high-level) inputs with included harness
• Dimensions: 7.68"W x 10.94"L x 2.09"H

• Peak: 500W x 1 @ 4 ohm, 750W x 1 @ 3 ohm, 1000W x 1 @ 2 ohm
• Unregulated PWM switching type power supply
• Class D Circuitry
• Bass Boost: 0-12 dB
• Speaker-level (high-level) inputs with included harness
• Dimensions: 7.68"W x 10.94"L x 2.09"H

Kenwood eXcelon X803-5 (Like New (Open Box))

1600W Peak (800W RMS) Class D eXcelon Series 5 Channel Car Amplifier with Bass Remote

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1600W Peak (800W RMS) Class D eXcelon Series 5 Channel Car Amplifier with Bass Remote

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier

JL Audio XD1000/1v2-Refurbished

1000W XDv2 Series Monoblock Class D Subwoofer Amplifier with High-Speed NexD Switching Design

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1000W XDv2 Series Monoblock Class D Subwoofer Amplifier with High-Speed NexD Switching Design

• RMS: 600 W x 1 @ 4 ohm, 800 W x 1 @ 3 ohm, 1000 W x 1 @ 2 ohm
• NexD Switching Technology
• Dual-Range Differential Balanced Input Section
• Advanced Rollback Protection
• Selectable Low-Pass Filter Slope: 12 dB or 24 dB
• Detented, Calibrated Filter Freq. Potentiometer

• RMS: 600 W x 1 @ 4 ohm, 800 W x 1 @ 3 ohm, 1000 W x 1 @ 2 ohm
• NexD Switching Technology
• Dual-Range Differential Balanced Input Section
• Advanced Rollback Protection
• Selectable Low-Pass Filter Slope: 12 dB or 24 dB
• Detented, Calibrated Filter Freq. Potentiometer

Sundown Audio SAEv.4-2000.1D (Open Box, Great)

2000W RMS Class D SAE Series Monoblock Car Amplifier with Bass Remote (SAEv.4-2000D)

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2000W RMS Class D SAE Series Monoblock Car Amplifier with Bass Remote (SAEv.4-2000D)

• 875 watts x 1 channel @ 4 ohm
• 1300 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 875 watts x 1 channel @ 4 ohm
• 1300 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable Monoblock Amplifier

JL Audio RD1500/1(open box complete)

RD Series Monoblock Class D Full-Range Amplifier

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RD Series Monoblock Class D Full-Range Amplifier

• 750 Watts x 1 @ 4 ohm / 1500 Watts x 1 @ 2 ohm / 1500 Watts x 1 @ 1 ohm
• Class D amplifier design with NextD™ switching amp technology
• Variable low-pass filter (12 dB/octave): 50-500Hz
• Variable bass boost: 0-12 dB @ 45Hz
• Frequency Response: 7Hz - 500Hz

• 750 Watts x 1 @ 4 ohm / 1500 Watts x 1 @ 2 ohm / 1500 Watts x 1 @ 1 ohm
• Class D amplifier design with NextD™ switching amp technology
• Variable low-pass filter (12 dB/octave): 50-500Hz
• Variable bass boost: 0-12 dB @ 45Hz
• Frequency Response: 7Hz - 500Hz

JL Audio XD700/5 Open Box

Open Box 700W RMS, 5-Channel Class D XD Series Car Amplifier

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Open Box 700W RMS, 5-Channel Class D XD Series Car Amplifier

XD Series 5-Channel Class D Car Amplifier • 100W x 4-Chan @ 2 Ohm • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input

XD Series 5-Channel Class D Car Amplifier • 100W x 4-Chan @ 2 Ohm • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input

NVX JAD800.4 - Open Box Complete

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

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

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

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

JL Audio XD700/5 R/B

700W RMS, 5-Channel Class D XD Series Car Amplifier

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700W RMS, 5-Channel Class D XD Series Car Amplifier

XD Series 5-Channel Class D Car Amplifier • 100W x 4-Chan @ 2 Ohm • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input

XD Series 5-Channel Class D Car Amplifier • 100W x 4-Chan @ 2 Ohm • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input

JL Audio XD1000/1v2-Open Box, Very Good Condition Used

1000W XDv2 Series Monoblock Class D Subwoofer Amplifier with High-Speed NexD Switching Design

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1000W XDv2 Series Monoblock Class D Subwoofer Amplifier with High-Speed NexD Switching Design

• RMS: 600 W x 1 @ 4 ohm, 800 W x 1 @ 3 ohm, 1000 W x 1 @ 2 ohm
• NexD Switching Technology
• Dual-Range Differential Balanced Input Section
• Advanced Rollback Protection
• Selectable Low-Pass Filter Slope: 12 dB or 24 dB
• Detented, Calibrated Filter Freq. Potentiometer

• RMS: 600 W x 1 @ 4 ohm, 800 W x 1 @ 3 ohm, 1000 W x 1 @ 2 ohm
• NexD Switching Technology
• Dual-Range Differential Balanced Input Section
• Advanced Rollback Protection
• Selectable Low-Pass Filter Slope: 12 dB or 24 dB
• Detented, Calibrated Filter Freq. Potentiometer

JL Audio XD600/6 R/B

600W RMS 6-Channel Class D XD Series Car Amplifier

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600W RMS 6-Channel Class D XD Series Car Amplifier

XD Series 6-Channel Class D Car Amplifier • 100W x 6-Chan @ 2 Ohm • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input

XD Series 6-Channel Class D Car Amplifier • 100W x 6-Chan @ 2 Ohm • NexD Ultra-High Speed Topology • Preamp RCA Outputs • Variable High/Low-Pass Filter • 3-Way System Protection Circuitry • Remote Bass Input

JL Audio 600/1v3 Open Box, Accepatble Condition (Used)

600W RMS Monoblock Slash v3 Series Class D Car Amplifier(Open Box Complete Used Functional)

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600W RMS Monoblock Slash v3 Series Class D Car Amplifier(Open Box Complete Used Functional)

• Peak: 600W x 1 @ 4 ohm, 600W x 1 @ 3 ohm, 600W x 1 @ 2, 600W x 1 @ 1.5 ohm
• Total RMS Power: 600W
• R.I.P.S. Power Supply
• Parametric Bass EQ
• Fully Variable Infrasonic Filter
• Dimensions: 13.40"L x 9.25"W x 2.36"H

• Peak: 600W x 1 @ 4 ohm, 600W x 1 @ 3 ohm, 600W x 1 @ 2, 600W x 1 @ 1.5 ohm
• Total RMS Power: 600W
• R.I.P.S. Power Supply
• Parametric Bass EQ
• Fully Variable Infrasonic Filter
• Dimensions: 13.40"L x 9.25"W x 2.36"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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