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Alpine PDX-1.1000 R/B

(MISSING ACCESSORIES) FACTORY REFURBISHED

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(MISSING ACCESSORIES) FACTORY REFURBISHED

Class D Monoblock Subwoofer Amplifier • 1000W x 1 chan. @ 4 Ohm • stackable installation design • MOSFET power supply • adjustable gain control • RCA inputs • CEA-2006 compliant • speaker connectors

Class D Monoblock Subwoofer Amplifier • 1000W x 1 chan. @ 4 Ohm • stackable installation design • MOSFET power supply • adjustable gain control • RCA inputs • CEA-2006 compliant • speaker connectors

JL Audio e1800D R/B

1000W RMS, Factory Refurbished Class D Monoblock Amplifier

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1000W RMS, Factory Refurbished Class D Monoblock Amplifier

1000W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 1000W x 1 @ 2 Ohm RMS (14.4V) • 640W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

1000W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 1000W x 1 @ 2 Ohm RMS (14.4V) • 640W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

Hifonics BX1205D R/B

Refurbished with full 1-year warranty. 1200 watts, Super Class D Amplifier

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Refurbished with full 1-year warranty. 1200 watts, Super Class D Amplifier

1200 Watt Super D-Class Amplifier • 1200W RMS x 1 @ 1 ohm • Wired Bass Remote Included • 1 Pair Line Outputs • LPF(35-250Hz), Subsonic(15-35Hz) • Illuminated Hifonics Logo • 0-18 dB Bass Boost

1200 Watt Super D-Class Amplifier • 1200W RMS x 1 @ 1 ohm • Wired Bass Remote Included • 1 Pair Line Outputs • LPF(35-250Hz), Subsonic(15-35Hz) • Illuminated Hifonics Logo • 0-18 dB Bass Boost

Belva BB5000D

5000W (3000W RMS) Class D Monoblock BB Series Car Amplifier

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5000W (3000W RMS) Class D Monoblock BB Series Car Amplifier

• RMS: 1200W x 1 @ 4 ohm, 1800W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total Peak Power: 5000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 20-3/8"W x 8-1/4"D x 2-1/4"H

• RMS: 1200W x 1 @ 4 ohm, 1800W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total Peak Power: 5000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 20-3/8"W x 8-1/4"D x 2-1/4"H

MB Quart ONX1.1500D (Factory Refurbished)

1500W RMS ONYX Series Class D Monoblock Amplifier (ONX-1.1500D)

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1500W RMS ONYX Series Class D Monoblock Amplifier (ONX-1.1500D)

ONYX Series Monoblock Class D Car Amplifier • 1500W x 1 Chan @ 1 Ohm • 1000W x 1 Chan @ 2 Ohm • Dual Speaker Terminals • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

ONYX Series Monoblock Class D Car Amplifier • 1500W x 1 Chan @ 1 Ohm • 1000W x 1 Chan @ 2 Ohm • Dual Speaker Terminals • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

Planet Audio AC5000.1D OPEN BOX COMPLETE

5000W Max Anarchy Series Class D Monoblock Power Amplifier

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5000W Max Anarchy Series Class D Monoblock Power Amplifier

• RMS: 1800W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 3500W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 18"L x 10"W x 2-3/16"H

• RMS: 1800W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 3500W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 18"L x 10"W x 2-3/16"H

Kicker ZX400.1 (11ZX400.1) Like New

Like New 400W RMS, Class D Monoblock ZX Series Amplifier (ZX4001)

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Like New 400W RMS, Class D Monoblock ZX Series Amplifier (ZX4001)

ZX Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization • Open Box

ZX Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization • Open Box

Hifonics BE1200.1D (Factory Refurbished)

1200W Monoblock Brutus Elite Series Super Class D Amplifier

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1200W Monoblock Brutus Elite Series Super Class D Amplifier

• RMS Power: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 2400W
• Variable Low Pass Filter
• Dimensions: 9.65" W x 13.78" L x 2.48" H

• RMS Power: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 2400W
• Variable Low Pass Filter
• Dimensions: 9.65" W x 13.78" L x 2.48" H

MB Quart ONX4.125 Open Box

Open Box: 1000W RMS, ONYX Series 4-Channel Amplifier (ONX-4.125)

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Open Box: 1000W RMS, ONYX Series 4-Channel Amplifier (ONX-4.125)

ONYX Series 4-Channel Class A/B Car Amplifier • 250W x 4 Chan @ 2 Ohm • 125W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

ONYX Series 4-Channel Class A/B Car Amplifier • 250W x 4 Chan @ 2 Ohm • 125W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

Boss D1200M R/B

1200W Max, Class D Monoblock Diablo Series Amplifier

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1200W Max, Class D Monoblock Diablo Series Amplifier

Diablo Series Class D Monoblock Car Amplifier • 280W x 1 chan. @ 4 ohm • 1200 watts x 1 chan. Max • Stackable operation • Preamp RCA outputs • Phase switch

Diablo Series Class D Monoblock Car Amplifier • 280W x 1 chan. @ 4 ohm • 1200 watts x 1 chan. Max • Stackable operation • Preamp RCA outputs • Phase switch

Polk Audio PA D1000.1 (PAD1000.1) Open Box

1200W RMS Monoblock Class D PA Series Car Amplifier

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1200W RMS Monoblock Class D PA Series Car Amplifier

PA Series Monoblock Class D Car Amplifier • 500W x 1-Chan. @ 4 ohm • 800W x 1-Chan. @ 2 ohm • 1200W x 1-Chan. @ 1 ohm • Level Control • Line Level Output • Low-Pass Filter • Subsonic Filter • Bass Boost

PA Series Monoblock Class D Car Amplifier • 500W x 1-Chan. @ 4 ohm • 800W x 1-Chan. @ 2 ohm • 1200W x 1-Chan. @ 1 ohm • Level Control • Line Level Output • Low-Pass Filter • Subsonic Filter • Bass Boost

Soundstream DTR1.1400D R/B

1400W RMS, Monoblock D-Tower Series Amplifier

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1400W RMS, Monoblock D-Tower Series Amplifier

Soundstream DTR Series Monoblock Amplifier • Class D Circuitry • 900 Watts x 1 Chan. @ 2 ohm • 1400 Watts x 1 Chan. @ 1 ohm • Power and Protection LED Indicators • Mounts Vertical • Speaker-Level Inputs • Gloss Black Finish

Soundstream DTR Series Monoblock Amplifier • Class D Circuitry • 900 Watts x 1 Chan. @ 2 ohm • 1400 Watts x 1 Chan. @ 1 ohm • Power and Protection LED Indicators • Mounts Vertical • Speaker-Level Inputs • Gloss Black Finish

Planet Audio BB2500.1 OPEN BOX COMPLETE

2500W Max Big Bang Series Monoblock Digital Class D Car Amplifier

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2500W Max Big Bang Series Monoblock Digital Class D Car Amplifier

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• Peak: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 2500W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 10-1/4"W x 6-8/9"L x 2-3/10"H

Box torn open
• Peak: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 2500W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 10-1/4"W x 6-8/9"L x 2-3/10"H

JL Audio e1400D FACTORY R/B

FACTORY REPAIRED - NO WARRANTY

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FACTORY REPAIRED - NO WARRANTY

500W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 500W x 1 @ 2 Ohm RMS (14.4V) • 320 W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

500W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 500W x 1 @ 2 Ohm RMS (14.4V) • 320 W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

JBL GTO-1001EZ LIKE NEW DAMAGED PACKAGING

1000 Watt RMS GTO Series Class D Monoblock Amplifier

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1000 Watt RMS GTO Series Class D Monoblock Amplifier

Like new Damaged Package
• 650W RMS x 1 @ 4 ohm
• 1000W RMS x 1 @ 2 ohm
• Total Peak Power: 1450W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class AB/D Circuitry
• Dimensions: 14-11/16"W x 11-15/16"L x 2-5/8"H

Like new Damaged Package
• 650W RMS x 1 @ 4 ohm
• 1000W RMS x 1 @ 2 ohm
• Total Peak Power: 1450W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class AB/D Circuitry
• Dimensions: 14-11/16"W x 11-15/16"L x 2-5/8"H

Soundstream Di475.1 R/B

475W, Class D Monoblock Amplifier (Di 475.1)

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475W, Class D Monoblock Amplifier (Di 475.1)

Extreme Bass Machine Single-Channel Car Amplifier • Class D2 • 350W x 1 Chan. @ 4 ohm • 475W x 1 Chan. @ 2 ohm • Selectable Bass Boost • Speaker-Level Inputs • 3 Stage Protection Circuit • Compact Chassis and Design

Extreme Bass Machine Single-Channel Car Amplifier • Class D2 • 350W x 1 Chan. @ 4 ohm • 475W x 1 Chan. @ 2 ohm • Selectable Bass Boost • Speaker-Level Inputs • 3 Stage Protection Circuit • Compact Chassis and Design

Power Acoustik LFA1-5500D R/B

5500W Max, Class D Monoblock LFA Series Amplifier

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5500W Max, Class D Monoblock LFA Series Amplifier

Class D Monoblock LFA Series Amplifier • 5500W Max • 1700W x 1 Chan. @ 4Ohm • 2500W x 1 Chan. @ 2Ohm • 3200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Class D Monoblock LFA Series Amplifier • 5500W Max • 1700W x 1 Chan. @ 4Ohm • 2500W x 1 Chan. @ 2Ohm • 3200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Power Acoustik OV1-3000D R/B

3000W Max, Gothic Series Class D Monoblock Amplifier

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3000W Max, Gothic Series Class D Monoblock Amplifier

FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 1700W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 1700W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

Pioneer GM-D9500F Factory Refurbished

(Factory Refurbished) 800W Max, Class FD 4-Channel Amplifier (Full-Range Class D)

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(Factory Refurbished) 800W Max, Class FD 4-Channel Amplifier (Full-Range Class D)

FD Series Class D 4-Channel Car Amplifier • 75W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 800W Max • 4/3/2 Channel Operation • Speaker-Level Inputs • Compression-Type Terminals • LPF • HPF

FD Series Class D 4-Channel Car Amplifier • 75W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 800W Max • 4/3/2 Channel Operation • Speaker-Level Inputs • Compression-Type Terminals • LPF • HPF

Pioneer PRS-D800 Open Box

300W RMS 2-Channel Class FD Car Amplifier

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300W RMS 2-Channel Class FD Car Amplifier

• 2-Channel Class FD Car Amplifier
• 4 ohm: 125 watts x 2 chan.
• 2 ohm: 150 watts x 2 chan.
• Bridged, 4 ohm: 300 watts x 1 chan.
• Oxygen-Free Copper Wire Coil for Output
• TVC(Total Volume Control) Increases Signal-to-Noise Ratio

• 2-Channel Class FD Car Amplifier
• 4 ohm: 125 watts x 2 chan.
• 2 ohm: 150 watts x 2 chan.
• Bridged, 4 ohm: 300 watts x 1 chan.
• Oxygen-Free Copper Wire Coil for Output
• TVC(Total Volume Control) Increases Signal-to-Noise Ratio

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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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