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Discontinued Class-D Amplifiers

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Boss CX3500D R/B

Refurbished 3500W Max Chaos Exxtreme Series Class D Monoblock Amplifier

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Refurbished 3500W Max Chaos Exxtreme Series Class D Monoblock Amplifier

• Chaos Exxtreme Class D Monoblock Car Amplifier
• 1200W x 1 chan. @ 4 ohm
• 2200W x 1 chan Max
• Speaker-level inputs with soft turn-on
• Thermal and short circuit protection circuitry

• Chaos Exxtreme Class D Monoblock Car Amplifier
• 1200W x 1 chan. @ 4 ohm
• 2200W x 1 chan Max
• Speaker-level inputs with soft turn-on
• Thermal and short circuit protection circuitry

Hifonics ZRX2000.1D (Factory Refurbished)

2000W Max Class D Monoblock Zeus Series Amplifier

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2000W Max Class D Monoblock Zeus Series Amplifier

Zeus Series Single Channel Monoblock Class D Car Amplifier • 4 ohm: 650 watts x 1 chan. • 2 ohm: 1300 watts x 1 chan. • 1 ohm: 2000 watts x 1 chan. • Pulse Width Modulated (PWM) MOSFET Power Supply

Zeus Series Single Channel Monoblock Class D Car Amplifier • 4 ohm: 650 watts x 1 chan. • 2 ohm: 1300 watts x 1 chan. • 1 ohm: 2000 watts x 1 chan. • Pulse Width Modulated (PWM) MOSFET Power Supply

MTX Thunder Elite 1501D (TE1501D) R/B

3000W Max, Class D Monoblock Thunder Elite Amplifier

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3000W Max, Class D Monoblock Thunder Elite Amplifier

Thunder Elite Series 1-Channel Class D Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 3000W Max • Semi Unregulated MOSFET • Fan-cooled System • Overload and thermal protection

Thunder Elite Series 1-Channel Class D Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 3000W Max • Semi Unregulated MOSFET • Fan-cooled System • Overload and thermal protection

Soundstream PCX700D R/B

700W RMS, Picasso Series Class D Monoblock Amplifier

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700W RMS, Picasso Series Class D Monoblock Amplifier

Soundstream Picasso Series Monoblock Amplifier • 350W x 1-Chan. @ 4 Ohm • 520W x 1-Chan. @ 2 Ohm • 700W x 1-Chan. @ 1 Ohm • PWM MOSFET Power Supply • Twin Stack Technology • Includes Bass Control Remote

Soundstream Picasso Series Monoblock Amplifier • 350W x 1-Chan. @ 4 Ohm • 520W x 1-Chan. @ 2 Ohm • 700W x 1-Chan. @ 1 Ohm • PWM MOSFET Power Supply • Twin Stack Technology • Includes Bass Control Remote

RE Audio USX-65KV.1 Open Box

2200W RMS Class DE Monoblock USX Series Stereo Bridgeable Car Amplifier

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2200W RMS Class DE Monoblock USX Series Stereo Bridgeable Car Amplifier

• RMS: 750W x 1 @ 4 ohm, 1350W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 3-Way Protection Circuitry
• Bass Boost: 0 - 20 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 22-3/4"L x 2-1/16"H

• RMS: 750W x 1 @ 4 ohm, 1350W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 3-Way Protection Circuitry
• Bass Boost: 0 - 20 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 22-3/4"L x 2-1/16"H

Boss NXD5500- Open Box

5500W Max Onyx Series Class D Monoblock Power Amplifier

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5500W Max Onyx Series Class D Monoblock Power Amplifier

• RMS: 2300W x 1 @ 4 ohm
• Peak: 4000W x 1 @ 2 ohm, 5500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 18-1/8" L x 10" W x 2-3/16" H

• RMS: 2300W x 1 @ 4 ohm
• Peak: 4000W x 1 @ 2 ohm, 5500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 18-1/8" L x 10" W x 2-3/16" H

Pioneer GM-D9705 Damaged Packaging (NEW)

2000W Max 5 Channel GM Digital Champion Series Class D Amplifier w/ Wired Bass Boost Remote

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2000W Max 5 Channel GM Digital Champion Series Class D Amplifier w/ Wired Bass Boost Remote

• RMS: 75 Watts x 4 + 350 Watts x 1 @ 4 ohm
•RMS: 100 Watts x 4 + 600 Watts x 1 @ 2 ohm
• 200 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 2000 Watts
• CEA-2006 Compliant
• CEA-2006 Compliant Amplifier
• Wired remote bass boost level control included
• Speaker-level (high-level) inputs

• RMS: 75 Watts x 4 + 350 Watts x 1 @ 4 ohm
•RMS: 100 Watts x 4 + 600 Watts x 1 @ 2 ohm
• 200 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 2000 Watts
• CEA-2006 Compliant
• CEA-2006 Compliant Amplifier
• Wired remote bass boost level control included
• Speaker-level (high-level) inputs

RE Audio ZTX-3000.1 OPEN BOX

1400W RMS Monoblock Class D ZTX Series Car Amplifier

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1400W RMS Monoblock Class D ZTX Series Car Amplifier

• ZTX Series Monoblock Class D Amplifier
• 600W x 1 Chan. @ 4 ohm • 1000W x 1 Chan. @ 2 ohm • 1400W x 1 Chan. @ 1 ohm
• 3-Way System Protection
• 1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Variable Bass Boost 0-12 dB

• ZTX Series Monoblock Class D Amplifier
• 600W x 1 Chan. @ 4 ohm • 1000W x 1 Chan. @ 2 ohm • 1400W x 1 Chan. @ 1 ohm
• 3-Way System Protection
• 1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Variable Bass Boost 0-12 dB

Cerwin-Vega STEALTH800.5

800W RMS 5-Channel Full Range STEALTH Series Class D Car Amplifier

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800W RMS 5-Channel Full Range STEALTH Series Class D Car Amplifier

• Full-Range RMS: 100W x 4 @ 4 ohm, 150W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Wired Bass Remote Included
• Class D Circuitry
• Heavy Duty Aluminum Heatsink
• Dimensions: 7"W x 10-9/10"D x 1-8/10"H

• Full-Range RMS: 100W x 4 @ 4 ohm, 150W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Wired Bass Remote Included
• Class D Circuitry
• Heavy Duty Aluminum Heatsink
• Dimensions: 7"W x 10-9/10"D x 1-8/10"H

Lanzar OPTI12001D

26,000W Max, Optidrive Series 2 Channel Class D Amplifier

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26,000W Max, Optidrive Series 2 Channel Class D Amplifier

• Optidrive Series 2-Channel Class D Car Amplifier
• 4 ohm: 1,340 watts x 2 chan.
• 2 ohm: 2,400 watts x 2 chan.
• 1 ohm: 4,100 watts x 2 chan.
• Max power output: 26,000 watts x 1 chan.

• Optidrive Series 2-Channel Class D Car Amplifier
• 4 ohm: 1,340 watts x 2 chan.
• 2 ohm: 2,400 watts x 2 chan.
• 1 ohm: 4,100 watts x 2 chan.
• Max power output: 26,000 watts x 1 chan.

Hifonics Hercules 4K OPEN BOX COMPLETE

2000W RMS 1-Channel Monoblock Mt. Olympus Series Class D Amplifier

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2000W RMS 1-Channel Monoblock Mt. Olympus Series Class D Amplifier

Item is used, has been previously installed, and outer box is damaged < /br>• RMS Power: 900W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Built-in Parametric Equalizer
• +12dB Variable Bass Boost
• Dimensions: 19-3/4" L x 9"W x 2-3/4" H

Item is used, has been previously installed, and outer box is damaged < /br>• RMS Power: 900W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Built-in Parametric Equalizer
• +12dB Variable Bass Boost
• Dimensions: 19-3/4" L x 9"W x 2-3/4" H

Planet Audio PX3200D Like New Damaged Packaging

1800W RMS Axis Series Class D Monoblock Car Amplifier

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1800W RMS Axis Series Class D Monoblock Car Amplifier

  • Item Condition: Like new Display
  • • RMS: 850W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
    • Total Peak Power: 3000W
    • Wired Bass Knob Included
    • Switchable Bass Boost: 0 or +18 dB at 50 Hz
    • Class D Circuitry
    • Dimensions: 10-11/16"W x 13-1/8"D x 2-3/8"H

  • Item Condition: Like new Display
  • • RMS: 850W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
    • Total Peak Power: 3000W
    • Wired Bass Knob Included
    • Switchable Bass Boost: 0 or +18 dB at 50 Hz
    • Class D Circuitry
    • Dimensions: 10-11/16"W x 13-1/8"D x 2-3/8"H

    Boss PH3000D- OPEN BOX

    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

    Planet Audio AC3000.1D

    3000W Peak (2250W RMS) Anarchy Series Class-D Monoblock Amplifier

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    3000W Peak (2250W RMS) Anarchy Series Class-D Monoblock Amplifier

    • 563 watts x 1 channel @ 4 ohm
    • 1125 watts x 1 channel @ 2 ohm
    • 2250 watts x 1 channel @ 1 ohm
    • Strapped Bridged Power: 4500 watts X 1 channel @ 2 ohm
    • Total RMS Power: 2250 watts
    • Class D 1 ohm Stable Monoblock Amplifier

    • 563 watts x 1 channel @ 4 ohm
    • 1125 watts x 1 channel @ 2 ohm
    • 2250 watts x 1 channel @ 1 ohm
    • Strapped Bridged Power: 4500 watts X 1 channel @ 2 ohm
    • Total RMS Power: 2250 watts
    • Class D 1 ohm Stable Monoblock Amplifier

    Rockford Fosgate Prime R1200-1D OPEN BOX COMPLETE

    1200W RMS Prime Series Monoblock Class D Car Amplifier

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    1200W RMS Prime Series Monoblock Class D Car Amplifier

    Item is used and has been previously installed
    • 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

    Item is used and has been previously installed
    • 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

    Soundstream PCA2000D R/B

    2000W Max Class D Monoblock Picasso Series Amplifier

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    2000W Max Class D Monoblock Picasso Series Amplifier

    Monoblock Picasso Series Amplifier • 1100W RMS x 1 @ 4 • 20000W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

    Monoblock Picasso Series Amplifier • 1100W RMS x 1 @ 4 • 20000W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

    Hifonics HFi1500D-open box

    1500W RMS Class D Monoblock HFi Series Amplifier (HFi 1500D)

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    1500W RMS Class D Monoblock HFi Series Amplifier (HFi 1500D)

    HFi Series Monoblock Class D Car Amplifier • 1000W x 1-Chan. @ 2 Ohm • 1500W 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 • 1000W x 1-Chan. @ 2 Ohm • 1500W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

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    1/2-Channel Super-D Amplifier • 1600W RMS x 2 @ 1 Ohm • 3200W RMS x 1 @ 2 Ohm • 110W RMS x 4 @ 2 Ohm • 20th Anniversary Heatsink Design • 1 Ohm Stable Stereo, 2 Ohm Stable Mono • Gold Plated RCA Connectors

    1/2-Channel Super-D Amplifier • 1600W RMS x 2 @ 1 Ohm • 3200W RMS x 1 @ 2 Ohm • 110W RMS x 4 @ 2 Ohm • 20th Anniversary Heatsink Design • 1 Ohm Stable Stereo, 2 Ohm Stable Mono • Gold Plated RCA Connectors

    Clif Designs CD2800.1LX Factory Refurbished

    Class D Monoblock Amplifier

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    Class D Monoblock Amplifier

    LX Series Class D Monoblock Car Amplifier • 860W x 1 chan. @ 4 ohm • 1675W x 1 chan. @ 2 ohm • 3200W x 1 chan. @ 1 ohm • ***NON-CLIF DESIGNS REMOTE (MA Audio)*** • Stackable (master/slave capable) operation

    LX Series Class D Monoblock Car Amplifier • 860W x 1 chan. @ 4 ohm • 1675W x 1 chan. @ 2 ohm • 3200W x 1 chan. @ 1 ohm • ***NON-CLIF DESIGNS REMOTE (MA Audio)*** • Stackable (master/slave capable) operation

    Sound Storm Labs (SSL) EV4000D

    4000W Peak (3000W RMS) Evolution Series Class-D Monoblock Amplifier with Bass Remote

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    4000W Peak (3000W RMS) Evolution Series Class-D Monoblock Amplifier with Bass Remote

    • 750 watts x 1 channel @ 4 ohm
    • 1500 watts x 1 channel @ 2 ohm
    • 3000 watts x 1 channel @ 1 ohm
    • Total RMS Power: 3000 watts
    • Class D 1 ohm Stable Monoblock Amplifier

    • 750 watts x 1 channel @ 4 ohm
    • 1500 watts x 1 channel @ 2 ohm
    • 3000 watts x 1 channel @ 1 ohm
    • Total RMS Power: 3000 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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