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Hifonics BG-1400.1 (Open Box, Great)

1400W RMS Class D Brutus BG Series Monoblock Car Amplifier with Bass Remote

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1400W RMS Class D Brutus BG Series Monoblock Car Amplifier with Bass Remote

• 750 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1400 watts x 1 channel @ 1 ohm
• Total RMS Power: 1400 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 750 watts x 1 channel @ 4 ohm
• 1100 watts x 1 channel @ 2 ohm
• 1400 watts x 1 channel @ 1 ohm
• Total RMS Power: 1400 watts
• Class D 1 ohm Stable Monoblock Amplifier

Kenwood eXcelon X1200M Open Box

(Open Box) 2400W Max, Class D Monoblock Digital Power Amplifier

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(Open Box) 2400W Max, Class D Monoblock Digital Power Amplifier

Gouriki Series Monoblock Class D Car Amplifier • 2400 Watts Max • 1200 Watts x 1 Chan. @ 2 Ohm • 800 Watts x 1 Chan. @ 4 Ohm • Dual Sigma Drive Negative Feedback Circuit • Cooling Fan And Multiple Vents •

Gouriki Series Monoblock Class D Car Amplifier • 2400 Watts Max • 1200 Watts x 1 Chan. @ 2 Ohm • 800 Watts x 1 Chan. @ 4 Ohm • Dual Sigma Drive Negative Feedback Circuit • Cooling Fan And Multiple Vents •

Cerwin Vega B54 (Open Box, Great)

1200W Peak (600W RMS) Class D Stealth Bomber Series 4 Channel Car Amplifier

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1200W Peak (600W RMS) Class D Stealth Bomber Series 4 Channel Car Amplifier

• 80 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 80 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Alpine R2-A60F (Like New (Open Box))

600W RMS Class D R-Series 4 Channel Car Amplifier

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600W RMS Class D R-Series 4 Channel Car Amplifier

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Deaf Bonce MFA 4.220 (Open Box, Great)

1320W RMS Class D Machete Series 4 Channel Car Amplifier

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1320W RMS Class D Machete Series 4 Channel Car Amplifier

• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

JL Audio JD250/1 (Open Box, Great)

250W RMS Class D JD Series Monoblock Car Amplifier

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250W RMS Class D JD Series Monoblock Car Amplifier

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

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

Kicker 08ZX2500.1 Open Box

(Open Box) 2500W RMS, Class D Monoblock ZX Series Amplifier (ZX2500.1, 08ZX25001, ZX25001)

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(Open Box) 2500W RMS, Class D Monoblock ZX Series Amplifier (ZX2500.1, 08ZX25001, ZX25001)

ZX Series Class D Monoblock Car Amplifier • 1250W x 1 chan. @ 4 ohm • 2500W x 1 chan. @ 2 ohm • 2500W x 1 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

ZX Series Class D Monoblock Car Amplifier • 1250W x 1 chan. @ 4 ohm • 2500W x 1 chan. @ 2 ohm • 2500W x 1 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

JL Audio RD800/6 (Open Box, Great)

800W RMS Class D RD Series 6-Channel Car Amplifier

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800W RMS Class D RD Series 6-Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 1 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 6-Channel Amplifier

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 1 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 6-Channel Amplifier

Sundown Audio SIA-2500D (A-SIA2500) (Open Box, Great)

2500W RMS Class D SIA Series Monoblock Car Amplifier

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2500W RMS Class D SIA Series Monoblock Car Amplifier

• 2000 watts x 1 channel @ 4 ohm
• 2500 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 2000 watts x 1 channel @ 4 ohm
• 2500 watts x 1 channel @ 2 ohm
• 2500 watts x 1 channel @ 1 ohm
• Total RMS Power: 2500 watts
• Class D 1 ohm Stable Monoblock Amplifier

NVX VADM1 (Open Box, Great)

500W RMS Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote

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500W RMS Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote

• 500 Watt True RMS Output!
• Marine Certified Monoblock Micro Class D Amplifier
• 180W x 1-Chan. @ 4 ohm
• 320W x 1-Chan. @ 2 ohm
• 500W x 1-Chan. @ 1 ohm
• 3-Way System Protection
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint

• 500 Watt True RMS Output!
• Marine Certified Monoblock Micro Class D Amplifier
• 180W x 1-Chan. @ 4 ohm
• 320W x 1-Chan. @ 2 ohm
• 500W x 1-Chan. @ 1 ohm
• 3-Way System Protection
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint

Sundown Audio SALT-2 (Open Box, Great)

2000W RMS Class D SALT Series Monoblock Car Amplifier with Bass Remote (A-SALT2)

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2000W RMS Class D SALT Series Monoblock Car Amplifier with Bass Remote (A-SALT2)

• 500 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• 4000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 500 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• 2000 watts x 1 channel @ 1 ohm
• 4000 watts x 1 channel @ 2 ohm Bridged
• Total RMS Power: 2000 watts
• Class D 1 ohm Stable Monoblock Amplifier

MTX RFL1200D Open Box

(Open Box) 2400W Max RFL Series Class D Monoblock Amplifier

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(Open Box) 2400W Max RFL Series Class D Monoblock Amplifier

RFL Series Monoblock Class D Car Amplifier • 400W x 1 Chan @ 4 Ohm • 800W x 1 Chan @ 2 Ohm • 2400W Max • Electronic Bass Control • Gun Metal Gray Chassis • Black End Caps • Stackable Design • Smart Engage Technology

RFL Series Monoblock Class D Car Amplifier • 400W x 1 Chan @ 4 Ohm • 800W x 1 Chan @ 2 Ohm • 2400W Max • Electronic Bass Control • Gun Metal Gray Chassis • Black End Caps • Stackable Design • Smart Engage Technology

Deaf Bonce MFA-1.1000 (Open Box, Great)

1000W RMS Class D Machete Series Monoblock Subwoofer Amplifier with Bass Remote

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1000W RMS Class D Machete Series Monoblock Subwoofer Amplifier with Bass Remote

• 430 watts x 1 channel @ 4 ohm
• 710 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 430 watts x 1 channel @ 4 ohm
• 710 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Alpine S2-A60M (Open Box, Good)

600W RMS Class D S-Series Monoblock Car Amplifier

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600W RMS Class D S-Series Monoblock Car Amplifier

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

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

JL Audio JD1000/1 (Like New (Open Box))

1000W RMS Class D JD Series Monoblock Car Amplifier

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1000W RMS Class D JD Series Monoblock Car Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier

Deaf Bonce MFA 4.80 (Open Box, Good)

480W RMS Class D Machete Series 4 Channel Car Amplifier

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480W RMS Class D Machete Series 4 Channel Car Amplifier

• 80 watts x 4 channel @ 4 ohm
• 120 watts x 4 channel @ 2 ohm
• Bridged: 240 watts x 2 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 80 watts x 4 channel @ 4 ohm
• 120 watts x 4 channel @ 2 ohm
• Bridged: 240 watts x 2 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Kicker CXA1800.1 (46CXA18001T) (Like New (Open Box))

1800W RMS Class D CX Series Monoblock Car Amplifier

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1800W RMS Class D CX Series Monoblock Car Amplifier

• 900 watts x 1 channel @ 4 ohm
• 1800 watts x 1 channel @ 2 ohm
• 1800 watts x 1 channel @ 1 ohm
• Total RMS Power: 1800 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 900 watts x 1 channel @ 4 ohm
• 1800 watts x 1 channel @ 2 ohm
• 1800 watts x 1 channel @ 1 ohm
• Total RMS Power: 1800 watts
• Class D 1 ohm Stable Monoblock Amplifier

Rockford Fosgate R2-500X1 (Open Box, Good)

500W RMS Class D Prime Series Monoblock Car Amplifier

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500W RMS Class D Prime Series Monoblock Car Amplifier

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

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

Alphasonik PMA1000DA R/B

Factory Refurbished Class D Monoblock Amplifier

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Factory Refurbished Class D Monoblock Amplifier

1-Channel Class D Monoblock Power Amplifier • 2060 watts x 1 chan. at 1 Ohm • 1500 watts x 1 chan. at 2 Ohm • 1000 watts x 1 chan. at 4 Ohm • Digital voltmeter • Remote bass control

1-Channel Class D Monoblock Power Amplifier • 2060 watts x 1 chan. at 1 Ohm • 1500 watts x 1 chan. at 2 Ohm • 1000 watts x 1 chan. at 4 Ohm • Digital voltmeter • Remote bass control

Alpine S2-A120M (Like New (Open Box))

1200W Class D RMS S-Series Monoblock Car Amplifier

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1200W Class D RMS S-Series Monoblock Car Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1200 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

• 600 watts x 1 channel @ 4 ohm
• 1200 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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