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Discontinued Class-D Amplifiers

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Image Dynamics SQ1400.5 Damaged Packaging Only (New)

1,400W Peak (600W RMS) SQ Series Class-D 5-Channel 2-Ohm Stable Amplifier

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1,400W Peak (600W RMS) SQ Series Class-D 5-Channel 2-Ohm Stable Amplifier

•4 ohm: 100 watts x 4 chan. + 300 watts x 1 chan.
•2 ohm: 200 watts x 4 chan. + 600 watts x 1 chan.
• Bridged, 4 ohm: 400 watts x 2 chan. + 600 watts x 1 chan.
• Total Peak Power: 1400 Watts
• Optically-Isolated MOSFET Power Supply
• 7.25" W x 13.3" L x 2" H

•4 ohm: 100 watts x 4 chan. + 300 watts x 1 chan.
•2 ohm: 200 watts x 4 chan. + 600 watts x 1 chan.
• Bridged, 4 ohm: 400 watts x 2 chan. + 600 watts x 1 chan.
• Total Peak Power: 1400 Watts
• Optically-Isolated MOSFET Power Supply
• 7.25" W x 13.3" L x 2" H

Kole Audio KX1-2000D

2000W Max, KX Series Class D Monoblock Amplifier (KX12000D)

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2000W Max, KX Series Class D Monoblock Amplifier (KX12000D)

KX Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • 1200W x 1 chan. @ 1 ohm • Fully regulated PWM MOSFET power supply • Preamp RCA outputs • Nickel-plated screw terminals

KX Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • 1200W x 1 chan. @ 1 ohm • Fully regulated PWM MOSFET power supply • Preamp RCA outputs • Nickel-plated screw terminals

Infinity K600 Kappa Series Amplifier (Open Box)

1500W Peak (600W RMS) High Performance Kappa Series Class-D Monoblock 2-Ohm Stable Car Subwoofer Amplifier

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1500W Peak (600W RMS) High Performance Kappa Series Class-D Monoblock 2-Ohm Stable Car Subwoofer Amplifier

• Item Condition: Like New Open Box
• 380 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• Variable low-pass filter: 32 - 320 Hz
• Sleek, brushed steel industrial design
• Upgradable Firmware via the microUSB port
• Speaker-level (high-level) inputs

• Item Condition: Like New Open Box
• 380 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• Variable low-pass filter: 32 - 320 Hz
• Sleek, brushed steel industrial design
• Upgradable Firmware via the microUSB port
• Speaker-level (high-level) inputs

Memphis Marine 16-MAD1000

1100W RMS, Class D Monoblock Marine MClass Series Amplifier

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1100W RMS, Class D Monoblock Marine MClass Series Amplifier

Memphis Marine Series Class D Monoblock Marine Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1100W x 1 chan. @ 1 ohm • MOSFET power supply • Preamp RCA outputs • 1 Ohm stable operation

Memphis Marine Series Class D Monoblock Marine Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1100W x 1 chan. @ 1 ohm • MOSFET power supply • Preamp RCA outputs • 1 Ohm stable operation

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Class D Circuitry • Multi Stranded Power Supply Toroids • Multi Stranded Power Supply Toroids • S/N Ratio: >100dB • Variable 18dB Low-pass Crossover: 50Hz To 120Hz • Subsonic Filter: 10 to 25Hz • 4-way Protection Circuitry: Thermal, Short Circuit, Overload, and DC Offset • Cooling Fan • Brushed Aluminum Chassis

Class D Circuitry • Multi Stranded Power Supply Toroids • Multi Stranded Power Supply Toroids • S/N Ratio: >100dB • Variable 18dB Low-pass Crossover: 50Hz To 120Hz • Subsonic Filter: 10 to 25Hz • 4-way Protection Circuitry: Thermal, Short Circuit, Overload, and DC Offset • Cooling Fan • Brushed Aluminum Chassis

Rockford Fosgate Power T5001bd

500 watts, Class BD Power Series Amplifier (T5001 bd)

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500 watts, Class BD Power Series Amplifier (T5001 bd)

500 watts, Class BD Power Series Amplifier • Variable Low-Pass Crossover • Signal-to-Noise Ratio: 80dB • Wired Remote Bass Control included free of charge • Bass Boost 0-18dB

500 watts, Class BD Power Series Amplifier • Variable Low-Pass Crossover • Signal-to-Noise Ratio: 80dB • Wired Remote Bass Control included free of charge • Bass Boost 0-18dB

VIBE Audio SLICKSTEREO2-V1 (SLICKSTEREO2-V1)

400W Max 2-Channel Class D SLICK Series Car Amplifier (SLICKSTEREO2-V1)

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400W Max 2-Channel Class D SLICK Series Car Amplifier (SLICKSTEREO2-V1)

2-Channel Class D SLICK Series Car Amplifier • 4 ohm: 75 watts x 2 chan. • 2 ohm: 100 watts x 2 chan. • Bridged, 4 ohm: 200 watts x 1 chan. • Pulse Width Modulated MOSFET Power Supply

2-Channel Class D SLICK Series Car Amplifier • 4 ohm: 75 watts x 2 chan. • 2 ohm: 100 watts x 2 chan. • Bridged, 4 ohm: 200 watts x 1 chan. • Pulse Width Modulated MOSFET Power Supply

Soundstream TRX1500D

1500W Max, Tarantula Series Class D Monoblock Amplifier

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1500W Max, Tarantula Series Class D Monoblock Amplifier

• • • • • Description Coming Soon! • • • • •

• • • • • Description Coming Soon! • • • • •

Kicker ZX400.1

06ZX400.1 ZX Series Class D Monoblock Amplifier

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06ZX400.1 ZX Series Class D Monoblock Amplifier

400W RMS x 1 @ 2 ohm • Class D design • wired remote bass level control • CEA-2006 compliant • preamp inputs and outputs • subsonic filter

400W RMS x 1 @ 2 ohm • Class D design • wired remote bass level control • CEA-2006 compliant • preamp inputs and outputs • subsonic filter

Cerwin-Vega SPRO1600.1D

1600W Peak (1600W RMS) Stroker Pro Series Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

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1600W Peak (1600W RMS) Stroker Pro Series Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

• 900 Watts RMS x 1 @ 4 ohm
• 1300 Watts RMS x 1 @ 2 ohm
• 1600 Watts RMS x 1 @ 1 ohm, bridged
• Total RMS Power: 1600 Watts
• Built-in Low-Pass and Subsonic Filteres
• 0-12 dB Bass Boost
• Aluminum Heatsink
• Dimensions: 10.23" W x 16.85" L x 2.81" H

• 900 Watts RMS x 1 @ 4 ohm
• 1300 Watts RMS x 1 @ 2 ohm
• 1600 Watts RMS x 1 @ 1 ohm, bridged
• Total RMS Power: 1600 Watts
• Built-in Low-Pass and Subsonic Filteres
• 0-12 dB Bass Boost
• Aluminum Heatsink
• Dimensions: 10.23" W x 16.85" L x 2.81" H

RE Audio XT-800.4V3

700W, 4-Channel Class "DE" Digital Stereo Amplifier

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700W, 4-Channel Class "DE" Digital Stereo Amplifier

XT V3 Series 4-Channel Digital Car Amplifier • Class DE • 90W x 4 Chan. @ 2 Ohm • 60W x 2 Chan @ 4 Ohm • 340W Bridged • Elevated Efficiency Platform • High-Pass Filter • Low-Pass Filter • Aluminum HeatSink

XT V3 Series 4-Channel Digital Car Amplifier • Class DE • 90W x 4 Chan. @ 2 Ohm • 60W x 2 Chan @ 4 Ohm • 340W Bridged • Elevated Efficiency Platform • High-Pass Filter • Low-Pass Filter • Aluminum HeatSink

Hifonics Colossus (Colossus 6.5K) - Refurbished

Hifonics 35th Anniversary 6500 Watt Max (3200 watt RMS) CTA-2006B Rated 2-Channel (Dual Monoblock) Ultra Class-D Subwoofer Car Amplifier

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Hifonics 35th Anniversary 6500 Watt Max (3200 watt RMS) CTA-2006B Rated 2-Channel (Dual Monoblock) Ultra Class-D Subwoofer Car Amplifier

• 625 Watts RMS x 2 @ 4 ohm
• 1125 Watts RMS x 2 @ 2 ohm
• 1625 Watts RMS x 2 @ 1 ohm
• Total Peak Power: 6500 Watts
• CTA-2006B Compliant
• Hifonics Colossus Old School Design
• Wired remote bass level control included
• Dimensions: 9"W x 23-3/4"L x 2-12/16"H

• 625 Watts RMS x 2 @ 4 ohm
• 1125 Watts RMS x 2 @ 2 ohm
• 1625 Watts RMS x 2 @ 1 ohm
• Total Peak Power: 6500 Watts
• CTA-2006B Compliant
• Hifonics Colossus Old School Design
• Wired remote bass level control included
• Dimensions: 9"W x 23-3/4"L x 2-12/16"H

SKAR Audio SK-3500.1D Open Box Complete

3500W RMS Class D Monoblock SK Series Car Amplifier

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3500W RMS Class D Monoblock SK Series Car Amplifier

• Item Condition: Open Box Complete
• RMS: 1178W x 1 @ 4 ohm, 2066W x 1 @ 2 ohm, 3519W x 1 @ 1 ohm
• Total RMS Power: 3519W
• Class D Circuitry
• Variable Bass Boost: 0 to +9 dB at 45 Hz
• Strappable
• Dimensions: 9-1/2"W x 21-1/4"D x 2-9/16"H

• Item Condition: Open Box Complete
• RMS: 1178W x 1 @ 4 ohm, 2066W x 1 @ 2 ohm, 3519W x 1 @ 1 ohm
• Total RMS Power: 3519W
• Class D Circuitry
• Variable Bass Boost: 0 to +9 dB at 45 Hz
• Strappable
• Dimensions: 9-1/2"W x 21-1/4"D x 2-9/16"H

Audiobahn A8005DN R/B

800W Max, Intake Series Class D MonoBlock Amplifier (Factory Refurbished)

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800W Max, Intake Series Class D MonoBlock Amplifier (Factory Refurbished)

800W Max, Class D Intake Series Monoblock Amplifier • 400W RMS x 1 @ 2 • 200W RMS x 1 @ 4 • High and Low Level Inputs • 0-18dB Bass Boost • Variable Low-Pass and Subsonic Filters

800W Max, Class D Intake Series Monoblock Amplifier • 400W RMS x 1 @ 2 • 200W RMS x 1 @ 4 • High and Low Level Inputs • 0-18dB Bass Boost • Variable Low-Pass and Subsonic Filters

Audiopipe APSM-2075

1000W 2 Channel APSM Series Amplifier

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1000W 2 Channel APSM Series Amplifier

• RMS Power: 75W x 2 @ 4 ohm, 110W x 2 @ 2 ohm
• Total Peak Power: 220W
• Variable High Pass Filter
• Dimensions: 6.9" W x 6.1" L x 1.9" H

• RMS Power: 75W x 2 @ 4 ohm, 110W x 2 @ 2 ohm
• Total Peak Power: 220W
• Variable High Pass Filter
• Dimensions: 6.9" W x 6.1" L x 1.9" H

Hifonics BXi2607D

Class D Brutus BXi 2607D MonoBlock Amplifier

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Class D Brutus BXi 2607D MonoBlock Amplifier

Brutus Series 1-Channel Class D Car Amplifier • 850W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2600W x 1 chan. • Highly efficient Super D-Class amplifier circuitry with over-sized MOSFET Output • Dash-Mountable Bass Remote Control Included

Brutus Series 1-Channel Class D Car Amplifier • 850W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2600W x 1 chan. • Highly efficient Super D-Class amplifier circuitry with over-sized MOSFET Output • Dash-Mountable Bass Remote Control Included

Lanzar OPTI8000D

8000W Max, Monoblock Class D OptiDrive Series Car Amplifier

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8000W Max, Monoblock Class D OptiDrive Series Car Amplifier

• RMS: 1500W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm, 4500W x 1 @ 1 ohm
• Total Peak Power: 8000W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 23-1/3"L x 10-11/16"W x 2-1/8"H

• RMS: 1500W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm, 4500W x 1 @ 1 ohm
• Total Peak Power: 8000W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 23-1/3"L x 10-11/16"W x 2-1/8"H

Audiopipe APF-1801

1800W, Class D Monoblock Slim Line Series Car Amplifier

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1800W, Class D Monoblock Slim Line Series Car Amplifier

• • • • • Description Coming Soon! • • • • •

• • • • • Description Coming Soon! • • • • •

Pioneer GM-D8500M Open Box

Open Box/Brand New, 1200W Max, GM Digital Series Class D Monoblock Amplifier

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Open Box/Brand New, 1200W Max, GM Digital Series Class D Monoblock Amplifier

GM Series Monoblock Car Amplifier • Class D • 300W x 1 Chan. @ 4 Ohm • 600W x 1 Chan. @ 2 Ohm • 1200W Max • 0-12 dB Bass Boost • Chrome-Plated Terminals • Speaker-Level Inputs • Balanced Isolator Input Circuit

GM Series Monoblock Car Amplifier • Class D • 300W x 1 Chan. @ 4 Ohm • 600W x 1 Chan. @ 2 Ohm • 1200W Max • 0-12 dB Bass Boost • Chrome-Plated Terminals • Speaker-Level Inputs • Balanced Isolator Input Circuit

Pyle PLAM2001D

2000W Max Monoblock Single Channel Academy Series Class D Amplifier

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2000W Max Monoblock Single Channel Academy Series Class D Amplifier

• RMS: 500W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Class D Circuitry
• Dimensions: 9-3/4"W x 11-7/16"L x 2-1/4"H

• RMS: 500W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Class D Circuitry
• Dimensions: 9-3/4"W x 11-7/16"L x 2-1/4"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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