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JL Audio HD750/1 OPEN BOX COMPLETE

Monoblock Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

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Monoblock Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

Item has been previously installed and used
• RMS: 750W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• R.I.P.S. - Regulated, Intelligent Power Supply
• Single Cycle control - High Fidelity Class D
• 1 Pair of Buffered Preamps RCA Outputs
• Dimensions: 10-13/16"L x 8-1/4"W x 1-15/16"H

Item has been previously installed and used
• RMS: 750W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• R.I.P.S. - Regulated, Intelligent Power Supply
• Single Cycle control - High Fidelity Class D
• 1 Pair of Buffered Preamps RCA Outputs
• Dimensions: 10-13/16"L x 8-1/4"W x 1-15/16"H

JL Audio XDM500/3 (Open Box, Like New)

500W RMS Class D XDM Series 3 Channel Car and Marine Amplifier

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500W RMS Class D XDM Series 3 Channel Car and Marine Amplifier

• 75 watts x 2 channel + 180 watts x 1 channel @ 4 ohm
• 100 watts x 2 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 3-Channel Amplifier

• 75 watts x 2 channel + 180 watts x 1 channel @ 4 ohm
• 100 watts x 2 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 3-Channel Amplifier

Infinity Kappa Perfect 3002A - New (Damaged Packaging, Product A+)

750W Peak (300W RMS) Class D Kappa Series 2 Channel Powersports Amplifier

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750W Peak (300W RMS) Class D Kappa Series 2 Channel Powersports Amplifier

• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 2-Channel Amplifier

• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 2-Channel Amplifier

JL Audio HD1200/1 OPEN BOX COMPLETE

1200W RMS, Monoblock Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

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1200W RMS, Monoblock Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

Used and has been previously installed
• RMS: 1200W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• R.I.P.S. - Regulated, Intelligent Power Supply
• Single Cycle control - High Fidelity Class D
• 1 Pair of Buffered Preamps RCA Outputs
• Dimensions: 10-13/16"L x 8-1/4"W x 1-15/16"H

Used and has been previously installed
• RMS: 1200W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• R.I.P.S. - Regulated, Intelligent Power Supply
• Single Cycle control - High Fidelity Class D
• 1 Pair of Buffered Preamps RCA Outputs
• Dimensions: 10-13/16"L x 8-1/4"W x 1-15/16"H

JL Audio HD600/4 Open Box

4-Channel Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

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4-Channel Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

JL Audio HD Series 4-Channel Class D, Small Profile Car Amplifier with R.I.P.S. Technology • 150 watts x 4 chan. @ 1.5-4 ohm • 300 watts x 2 chan. @ 3-8 ohm • Single Cycle Control™ • Preamp RCA outputs • Speaker-level inputs

JL Audio HD Series 4-Channel Class D, Small Profile Car Amplifier with R.I.P.S. Technology • 150 watts x 4 chan. @ 1.5-4 ohm • 300 watts x 2 chan. @ 3-8 ohm • Single Cycle Control™ • Preamp RCA outputs • Speaker-level inputs

Sundown Audio SFB-600D (Open Box, Like New)

600W RMS Class D SFB Series Monoblock Car Amplifier

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600W RMS Class D SFB Series Monoblock Car Amplifier

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

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

NVX XAD21 (Open Box, Good)

2000W RMS X-Series Full-Bridge Class D 1-Ohm Stable 2-Channel Amplifier

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2000W RMS X-Series Full-Bridge Class D 1-Ohm Stable 2-Channel Amplifier

• 250 watts x 2 channel @ 4 ohm
• 550 watts x 2 channel @ 2 ohm
• 1000 watts x 2 channel @ 1 ohm
• Total RMS Power: 2000 watts
• CEA-2006 Compliant

• 250 watts x 2 channel @ 4 ohm
• 550 watts x 2 channel @ 2 ohm
• 1000 watts x 2 channel @ 1 ohm
• Total RMS Power: 2000 watts
• CEA-2006 Compliant

Deaf Bonce Apocalypse ATOM 2000.1 PRO (Open Box, Great)

2600W RMS Class D Apocalypse Atom Pro Series Monoblock Car Amplifier with Bass Remote

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2600W RMS Class D Apocalypse Atom Pro Series Monoblock Car Amplifier with Bass Remote

• 610 watts x 1 channel @ 4 ohm
• 1280 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

• 610 watts x 1 channel @ 4 ohm
• 1280 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

Sundown Audio SALT-1 (Open Box, Great)

1000W RMS Class D SALT Series Monoblock Car Amplifier

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1000W RMS Class D SALT Series Monoblock Car Amplifier

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• 2000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 250 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• 2000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

MA Audio HK4000D Open Box Unit

4000W RMS Digital Class X / D Competition Monoblock Amplifier

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4000W RMS Digital Class X / D Competition Monoblock Amplifier

4000W Digital Class X Competition Mono Block Amplifier • 3600W x 1 @ 2 Ohm at 14.4V • 4000W @ 2 Ohm at 17.0V • Temperature, Voltage & Output Level LCD Display • Fully Unregulated Power Supply • Full Mosfet Circuitry • Stainless Steel Finish Heat sink • Low Pass and Subsonic Filters • 0 - 18 dB Bass Boost

4000W Digital Class X Competition Mono Block Amplifier • 3600W x 1 @ 2 Ohm at 14.4V • 4000W @ 2 Ohm at 17.0V • Temperature, Voltage & Output Level LCD Display • Fully Unregulated Power Supply • Full Mosfet Circuitry • Stainless Steel Finish Heat sink • Low Pass and Subsonic Filters • 0 - 18 dB Bass Boost

NVX NDA15001 (Like New (Open Box))

3000W Peak (1500W RMS) N-Series Class-D 1-Ohm Stable Monoblock Amplifier with Remote Bass Knob

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3000W Peak (1500W RMS) N-Series Class-D 1-Ohm Stable Monoblock Amplifier with Remote Bass Knob

• 670 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 670 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

NVX VAD10001 (Like New (Open Box))

2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

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2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

• RMS: 420 x 1 @ 4 ohm, 760W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Efficient Class D Design
• Dimensions: 7.0"W x 5.4"D x 2.0H

• RMS: 420 x 1 @ 4 ohm, 760W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Efficient Class D Design
• Dimensions: 7.0"W x 5.4"D x 2.0H

NVX NDA15001 (Open Box, Good)

3000W Peak (1500W RMS) N-Series Class-D 1-Ohm Stable Monoblock Amplifier with Remote Bass Knob

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3000W Peak (1500W RMS) N-Series Class-D 1-Ohm Stable Monoblock Amplifier with Remote Bass Knob

• 670 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 670 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Deaf Bonce Apocalypse Atom 900.2 (Like New (Open Box))

900W RMS Class D Apocalypse Atom Pro Series 2-Channel Full Range Car Amplifier

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900W RMS Class D Apocalypse Atom Pro Series 2-Channel Full Range Car Amplifier

• 350 watts x 2 channel @ 4 ohm
• 510 watts x 2 channel @ 2 ohm
• 900 watts x 2 channel @ 1 ohm
• Bridged: 1020 watts x 1 channel @ 4 ohm
• 1000 watts @ 2 ohm
• Total RMS Power: 900 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

• 350 watts x 2 channel @ 4 ohm
• 510 watts x 2 channel @ 2 ohm
• 900 watts x 2 channel @ 1 ohm
• Bridged: 1020 watts x 1 channel @ 4 ohm
• 1000 watts @ 2 ohm
• Total RMS Power: 900 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

NVX VADM4 Version 2 (VADM4v2) (Open Box, Good)

500W RMS V-Series Micro Full-Range Class D 4-Channel Amplifier Car/Marine/Powersports Amplifier

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500W RMS V-Series Micro Full-Range Class D 4-Channel Amplifier Car/Marine/Powersports Amplifier

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

NVX XAD21 (Open Box, Great)

2000W RMS X-Series Full-Bridge Class D 1-Ohm Stable 2-Channel Amplifier

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2000W RMS X-Series Full-Bridge Class D 1-Ohm Stable 2-Channel Amplifier

• 250 watts x 2 channel @ 4 ohm
• 550 watts x 2 channel @ 2 ohm
• 1000 watts x 2 channel @ 1 ohm
• Total RMS Power: 2000 watts
• CEA-2006 Compliant

• 250 watts x 2 channel @ 4 ohm
• 550 watts x 2 channel @ 2 ohm
• 1000 watts x 2 channel @ 1 ohm
• Total RMS Power: 2000 watts
• CEA-2006 Compliant

NVX VAD8402 (Open Box, Great)

840W RMS VAD Series Class-D 2-Channel Full-Range Car/Marine/Powersports Amplifier

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840W RMS VAD Series Class-D 2-Channel Full-Range Car/Marine/Powersports Amplifier

• RMS: 300 x 2 @ 4 ohm, 420W x 2 @ 2 ohm, Bridged 840W x 1 @ 4 ohm
• Total RMS Power: 840W
• CEA-2006 Compliant
• Efficient Full Range Class D Design
• Dimensions: 10.1"W x 5.4"D x 2.0H

• RMS: 300 x 2 @ 4 ohm, 420W x 2 @ 2 ohm, Bridged 840W x 1 @ 4 ohm
• Total RMS Power: 840W
• CEA-2006 Compliant
• Efficient Full Range Class D Design
• Dimensions: 10.1"W x 5.4"D x 2.0H

NVX VADM5v2 (Like New (Open Box))

1500W Peak (750W RMS) V-Series Micro Full-Range Class D Compact 5-Channel Car/Marine/Powersports Amplifier with Remote Bass Knob

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1500W Peak (750W RMS) V-Series Micro Full-Range Class D Compact 5-Channel Car/Marine/Powersports Amplifier with Remote Bass Knob

• 65 watts x 4 channel + 230 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 350 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 350 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

• 65 watts x 4 channel + 230 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 350 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 350 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

JBL DSP4086 (DSP4086AM) (Open Box, Good)

1000W Peak 480W RMS Class D 8-Channel Compact Car Amplifier with Digital Signal Processor

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1000W Peak 480W RMS Class D 8-Channel Compact Car Amplifier with Digital Signal Processor

• 40 watts x 8 channel @ 4 ohm
• 60 watts x 8 channel @ 2 ohm
• Total RMS Power: 320 watts
• Class D 2 ohm Stable 8-Channel Amplifier

• 40 watts x 8 channel @ 4 ohm
• 60 watts x 8 channel @ 2 ohm
• Total RMS Power: 320 watts
• Class D 2 ohm Stable 8-Channel Amplifier

NVX XQA12001 (Open Box, Great)

1200W RMS XQ-Series SQ Class D 1-Ohm Stable Monoblock Amplifier with X-Boost

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1200W RMS XQ-Series SQ Class D 1-Ohm Stable Monoblock Amplifier with X-Boost

• 500 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 500 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

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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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