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Alpine R-A90S (Open Box, Great)

900W RMS Class D R Series 6 Channel Car Amplifier

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900W RMS Class D R Series 6 Channel Car Amplifier

• 75 watts x 4 channel + 150 watts x 2 channel @ 4 ohm
• 100 watts x 4 channel + 250 watts x 2 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Amplifier

• 75 watts x 4 channel + 150 watts x 2 channel @ 4 ohm
• 100 watts x 4 channel + 250 watts x 2 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Amplifier

Kicker KX400.1 (40KX400.1) Mono Amplifier + Free NVX Amp Kit

400W RMS KX Series Monoblock Class-D Car Power Amplifier + Free NVX Amp Kit

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400W RMS KX Series Monoblock Class-D Car Power Amplifier + Free NVX Amp Kit

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

• FEATURE 1
• FEATURE 2
• FEATURE 3
• FEATURE 4
• FEATURE 5
• FEATURE 6
• FEATURE 7

Hifonics XX-OLYMPUS R/B

1000W RMS Generation XX Series 4-Channel Amplifier

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1000W RMS Generation XX Series 4-Channel Amplifier

Generation XX Series 4-Channel Ultra Class A/B Car Amplifier • 200W RMS x 4-Chan @ 2 ohm • 125W RMS x 4-Chan @ 4 Ohm • RCA Output • Bass Remote • Illuminated Hifonics Badge • Removable Endcaps

Generation XX Series 4-Channel Ultra Class A/B Car Amplifier • 200W RMS x 4-Chan @ 2 ohm • 125W RMS x 4-Chan @ 4 Ohm • RCA Output • Bass Remote • Illuminated Hifonics Badge • Removable Endcaps

Kicker CXA300.4 Amplifier (43CXA3004)

600 Watt Peak (300W RMS) CX Series 4-Channel Bridgeable Class-D Car Amplifier

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600 Watt Peak (300W RMS) CX Series 4-Channel Bridgeable Class-D Car Amplifier

• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• Preamp RCA outputs to daisy chain multiple amps
• Variable Low/High-Pass Crossover: 50 - 200Hz 12dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz
• Dimensions: 7-3/16"W x 12-7/16"L x 2-3/8"H

• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• Preamp RCA outputs to daisy chain multiple amps
• Variable Low/High-Pass Crossover: 50 - 200Hz 12dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz
• Dimensions: 7-3/16"W x 12-7/16"L x 2-3/8"H

Alpine PDX-F4 Open Box, Accepatble Condition (Used)

400W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

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400W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

• Item Condition: Open Box
• RMS Power: 100W x 4-Chan. @ 4 ohm
• 400 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

• Item Condition: Open Box
• RMS Power: 100W x 4-Chan. @ 4 ohm
• 400 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

PowerBass ASA 600.1DX_BAK42

1200W Max Auto Sound Series Class D Monoblock Amplifier + FREE Complete 4 Gauge Amplifier Wiring Kit

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1200W Max Auto Sound Series Class D Monoblock Amplifier + FREE Complete 4 Gauge Amplifier Wiring Kit

• Auto Sound Monoblock Class D Car Amplifier
• 150 Watts x 1 Chan. @ 4 Ohm
• 300 Watts x 1 Chan. @ 2 Ohm
• 1200 Watts Max
• 3-Way System Protection Circuitry
• LED Power And Protect Indicators
• MOSFET Power Supply
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

• Auto Sound Monoblock Class D Car Amplifier
• 150 Watts x 1 Chan. @ 4 Ohm
• 300 Watts x 1 Chan. @ 2 Ohm
• 1200 Watts Max
• 3-Way System Protection Circuitry
• LED Power And Protect Indicators
• MOSFET Power Supply
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

Power Acoustik OD1-5000D

5000W Peak (2000W RMS) Class D Overdrive Series Monoblock Car Amplifier (with Bass Remote)

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5000W Peak (2000W RMS) Class D Overdrive Series Monoblock Car Amplifier (with Bass Remote)

• 800 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

• 800 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

EXCLUSIVE

Two RE Audio Subs and Kicker Amp Package

Two SXXv2-12D2 1200W 12" SXXv2 Series Subs + 2400W RMS KX Series Monoblock Amp + TC6KIT-0B 1/0G OFC Wiring Kit + BBIC5 2-Ch RCA Cable

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Two SXXv2-12D2 1200W 12" SXXv2 Series Subs + 2400W RMS KX Series Monoblock Amp + TC6KIT-0B 1/0G OFC Wiring Kit + BBIC5 2-Ch RCA Cable

• Subwoofer: RMS Power: 1200W
• 3" 4-Layer Aluminum Voice Coil
• Amplifier: RMS: 1200W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm
• CEA-2006 Compliant
• 1/0 Gauge Power Amplifier Installation Kit
• 2 Channel RCA Audio Interconnect Cable

• Subwoofer: RMS Power: 1200W
• 3" 4-Layer Aluminum Voice Coil
• Amplifier: RMS: 1200W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm
• CEA-2006 Compliant
• 1/0 Gauge Power Amplifier Installation Kit
• 2 Channel RCA Audio Interconnect Cable

JL Audio G-MAX R/B

(Manufacturer Refurbished) 1200W Max, G-Series Class D Monoblock Subwoofer Amplifer

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(Manufacturer Refurbished) 1200W Max, G-Series Class D Monoblock Subwoofer Amplifer

G-Series Single-Channel Monoblock Class D Car Amplifier • Power Rating @ 14.4V or 12.5V • 1200W x 1 Chan. 2 ohm • 600W x 1 Chan. @ 4 ohm • Bass Boost • Differential-balanced input topology • Pass-Through Preamps

G-Series Single-Channel Monoblock Class D Car Amplifier • Power Rating @ 14.4V or 12.5V • 1200W x 1 Chan. 2 ohm • 600W x 1 Chan. @ 4 ohm • Bass Boost • Differential-balanced input topology • Pass-Through Preamps

Taramps MD 5000.1 - 1 OHM

5000W RMS MD Series Full Range 1-Ohm Stable Class-D Monoblock Amplifier

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5000W RMS MD Series Full Range 1-Ohm Stable Class-D Monoblock Amplifier

• 3200 watts x 1 channel @ 2 ohm
• 5000 watts x 1 channel @ 1 ohm
• Total RMS Power: 5000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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VIP Product Get $47.00 in rewards to spend later

• 3200 watts x 1 channel @ 2 ohm
• 5000 watts x 1 channel @ 1 ohm
• Total RMS Power: 5000 watts
• Class D 1 ohm Stable Monoblock Amplifier

MTX Audio TA5601 Thunder 5601 Factory R/B

Factory Refurbished, Class D Monoblock Amplifier Thunder5601

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Factory Refurbished, 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

Kole Audio TRAX1-7000D R/B

7000W Max, TRAX Series Class D Digital Monoblock Amplifier

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7000W Max, TRAX Series Class D Digital Monoblock Amplifier

TRAX Series Class D Digital Monoblock Amplifier • 4100W x 1 chan. @ 1 ohm • 3200W x 1 chan. @ 2 ohm • • 2200W x 1 chan. @ 4 ohm • 7000W Max • PWM Power Supply • Midnight Blue Finish • Three-Way Protection •

TRAX Series Class D Digital Monoblock Amplifier • 4100W x 1 chan. @ 1 ohm • 3200W x 1 chan. @ 2 ohm • • 2200W x 1 chan. @ 4 ohm • 7000W Max • PWM Power Supply • Midnight Blue Finish • Three-Way Protection •

Boss DST3000D-Open Box

3000W Max Monoblock Class D DISRUPT Series Car Amplifier

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3000W Max Monoblock Class D DISRUPT Series Car Amplifier

• RMS: 2100W x 1 @ 4 ohm
• Peak: 2200W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-12 dB at 50 Hz
• Low Pass Filter (35-250HZ)
• Dimensions: 15-8/10"W x 7-7/10"D x 3-7/10"H

• RMS: 2100W x 1 @ 4 ohm
• Peak: 2200W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-12 dB at 50 Hz
• Low Pass Filter (35-250HZ)
• Dimensions: 15-8/10"W x 7-7/10"D x 3-7/10"H

Taramps DS 440x4 (Open Box, Great)

440W RMS Class D DS Series 4 Channel Car Amplifier

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440W RMS Class D DS Series 4 Channel Car Amplifier

• 69 watts x 4 channel @ 4 ohm
• 110 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 440 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 69 watts x 4 channel @ 4 ohm
• 110 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 440 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Alpine MRD-M1005 Factory R/B

FACTORY REFURBISHED

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FACTORY REFURBISHED

1,000 watts RMS x 1 at 2 ohm • Bass Engine® with low-pass filter, subsonic filter, and parametric EQ, • Amp Link • preamp outputs

1,000 watts RMS x 1 at 2 ohm • Bass Engine® with low-pass filter, subsonic filter, and parametric EQ, • Amp Link • preamp outputs

Kenwood KAC-6104D Open Box

(Open Box) 600W Max, Class D Monoblock Amplifier

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(Open Box) 600W Max, Class D Monoblock Amplifier

GUARANTEED LOWEST PRICE. CONTACT US 24/7 • Class D Monoblock Car Amplifier • 200 Watts RMS x1 @ 4 Ohm • 300 Watts RMS x1 @ 2 Ohm• 400 Watts Max • MOSFET Switching Power Supply • Speaker-Level Inputs • Aluminum Heat Sink • CEA-2006 Complaint Amplifier •

GUARANTEED LOWEST PRICE. CONTACT US 24/7 • Class D Monoblock Car Amplifier • 200 Watts RMS x1 @ 4 Ohm • 300 Watts RMS x1 @ 2 Ohm• 400 Watts Max • MOSFET Switching Power Supply • Speaker-Level Inputs • Aluminum Heat Sink • CEA-2006 Complaint Amplifier •

Hifonics ZRX1500.1D (Factory Refurbished)

1500W Max Monoblock Class D Zeus Series Car Amplifier

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1500W Max Monoblock Class D Zeus Series Car Amplifier

• Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 14-8/10"L x 10"W x 2-1/3"H

• Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 14-8/10"L x 10"W x 2-1/3"H

Crunch DRA1850.1D-OPEN BOX

1800W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

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1800W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

• Peak: 450W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 12-3/16"L x 9-1/2"W x 2-1/8"H

• Peak: 450W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 12-3/16"L x 9-1/2"W x 2-1/8"H

EXCLUSIVE

JL Audio Class D Amplifier + Two FREE Rockford Fosgate 12" Punch Subwoofers

JL Audio Slash 1200/1v3 1200W Monoblock Slash v3 Series Class D Amplifier + Rockford Fosgate Punch P3D2-12 12" Punch Stage 3 Subwoofers

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JL Audio Slash 1200/1v3 1200W Monoblock Slash v3 Series Class D Amplifier + Rockford Fosgate Punch P3D2-12 12" Punch Stage 3 Subwoofers

• 1200W x 1 @ 2 ohm
• Anodized Aluminum Heat Sinking Cone
• Santoprene Vertical Attach Surround Technique
• 4-Layer 2-1/2" Voice Coil
• Proprietary Spider Venting
• R.I.P.S. (Regulated, Intelligent Power Supply)
• Parametric Bass Boost EQ
• Fully Variable Infrasonic Filter
• Dimensions: 19.70"L x 9.25"W x 2.36"H

• 1200W x 1 @ 2 ohm
• Anodized Aluminum Heat Sinking Cone
• Santoprene Vertical Attach Surround Technique
• 4-Layer 2-1/2" Voice Coil
• Proprietary Spider Venting
• R.I.P.S. (Regulated, Intelligent Power Supply)
• Parametric Bass Boost EQ
• Fully Variable Infrasonic Filter
• Dimensions: 19.70"L x 9.25"W x 2.36"H

JL Audio HD600/4 R/B

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

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(Factory Refurbished) 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 • 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 • Single Cycle Control™ • Preamp RCA outputs • Speaker-level inputs

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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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