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Rockford Fosgate R500X1D Open Box Complete (Very Good, Used)

500W RMS Prime Series Class D Monoblock Amplifier

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500W RMS Prime Series Class D Monoblock Amplifier

• Item Condition: Open Box
• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Remote PLC (Punch Level Control) Included
• Efficient Class-D circuit topology
• Dimensions: 8-1/2"L x 6-3/4"W x 2"H

• Item Condition: Open Box
• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Remote PLC (Punch Level Control) Included
• Efficient Class-D circuit topology
• Dimensions: 8-1/2"L x 6-3/4"W x 2"H

NVX MVPA1(Open Box Incomplete Used Functional)

Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)(Open Box Incomplete Used Functional)

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Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)(Open Box Incomplete Used Functional)

• 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

JL Audio XDM600/6 (Open Box, Great)

600W RMS Class D XMD Series 6 Channel Car and Marine Amplifier

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600W RMS Class D XMD Series 6 Channel Car and Marine Amplifier

• 75 watts x 6 channel @ 4 ohm
• 100 watts x 6 channel @ 2 ohm
• Bridged: 200 watts x 3 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

• 75 watts x 6 channel @ 4 ohm
• 100 watts x 6 channel @ 2 ohm
• Bridged: 200 watts x 3 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

Infinity Reference 1300a Open Box

(Open Box) 342W Max, Reference Series Class D Monoblock Amplifier (REF1300A)

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(Open Box) 342W Max, Reference Series Class D Monoblock Amplifier (REF1300A)

Reference Series Class D Monoblock Amplifier • 200W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 342W x 1 chan. Max • MOSFET power supply • Gold-plated preamp RCA outputs

Reference Series Class D Monoblock Amplifier • 200W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 342W x 1 chan. Max • MOSFET power supply • Gold-plated preamp RCA outputs

Lanzar OPTI3201D OPEN BOX COMPLETE

3200W RMS Monoblock Class D OptiDrive Series Car Amplifier

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3200W RMS Monoblock Class D OptiDrive Series Car Amplifier

Previously installed and used
• RMS: 820W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Total RMS Power: 3200W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 0.5 Ohm Stable
• Dimensions: 19-3/4"L x 10-11/16"W x 2-1/8"H

Previously installed and used
• RMS: 820W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Total RMS Power: 3200W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 0.5 Ohm Stable
• Dimensions: 19-3/4"L x 10-11/16"W x 2-1/8"H

Audiopipe APCL-30001D-OPEN BOX

3000W Consumer Line Series Monoblock Class D Amplifier

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3000W Consumer Line Series Monoblock Class D Amplifier

• RMS Power: 1800W x 1 @ 4 ohm, 3000W x 1 @ 2 ohm
• Total Peak Power: 6000W
• Adjustable Low Pass Filter
• High Quality Aluminum Heat Sink
• Dimensions: 7" W x 27.9" L x 2.2" H

• RMS Power: 1800W x 1 @ 4 ohm, 3000W x 1 @ 2 ohm
• Total Peak Power: 6000W
• Adjustable Low Pass Filter
• High Quality Aluminum Heat Sink
• Dimensions: 7" W x 27.9" L x 2.2" H

Rockford Fosgate R500X1D Open Box

500W RMS Monoblock Single Channel Class D Prime Series Amplifier

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500W RMS Monoblock Single Channel Class D Prime Series Amplifier

Prime Series Full Range Class D Monoblock Car Amplifier • 300W x 1 Chan. @ 4 ohm • 500W x 1 Chan. @ 2 ohm • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On

Prime Series Full Range Class D Monoblock Car Amplifier • 300W x 1 Chan. @ 4 ohm • 500W x 1 Chan. @ 2 ohm • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On

Hifonics ZXi 6408 R/B

680W RMS Zeus ZXi Series 4-Channel Amplifier

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680W RMS Zeus ZXi Series 4-Channel Amplifier

Zeus ZXi Series 4-Channel Class AB Car Amplifier • 85W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 340W x 2 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs • DC, short, thermal, and overload protection circuitry

Zeus ZXi Series 4-Channel Class AB Car Amplifier • 85W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 340W x 2 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs • DC, short, thermal, and overload protection circuitry

Alpine PDX-V9 Open Box Missing (Good, Used)

1600W Max, 5-Channel PDX Series Car Amplifier Open Box Missing (Good, Used)

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1600W Max, 5-Channel PDX Series Car Amplifier Open Box Missing (Good, Used)

• Full-Range RMS: 100W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Subwoofer RMS: 500W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• CEA-2006 Compliant
• Super Efficient PDX Power Supply >90%
• Power Management Processor
• Dimensions: 10-5/8"W x 7-1/2"D x 2"H

• Full-Range RMS: 100W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Subwoofer RMS: 500W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• CEA-2006 Compliant
• Super Efficient PDX Power Supply >90%
• Power Management Processor
• Dimensions: 10-5/8"W x 7-1/2"D x 2"H

Alpine PDX-5 R/B

600W RMS, Class D 5-Channel PDX Series Amplifier

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600W RMS, Class D 5-Channel PDX Series Amplifier

PDX Series 5-Channel Class D Car Amplifier • 75W x 4 chan. + 300W x 1 chan. @ 4 ohm • 75W x 4 chan. + 300W x 1 chan. @ 2 ohm • 150W x 2 chan. + 300W x 1 chan. @ 4 ohm • Stackable operation allows for multi-amplifier setup

PDX Series 5-Channel Class D Car Amplifier • 75W x 4 chan. + 300W x 1 chan. @ 4 ohm • 75W x 4 chan. + 300W x 1 chan. @ 2 ohm • 150W x 2 chan. + 300W x 1 chan. @ 4 ohm • Stackable operation allows for multi-amplifier setup

Open Box Polk Audio PA1100.5

2000W Max, Class D 5-Channel Amplifier

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2000W Max, Class D 5-Channel Amplifier

5-Channel Class D Car Amplifier • 80W x 4 chan. + 280W x 1 chan. @ 4 ohm • 125W x 4 chan. + 600W x 1 chan. @ 2 ohm • 250W x 2 chan. + 600W x 1 chan. @ 4 ohm • 200W x 4 chan. + 1200W x 1 chan. Max • 5/4/3 channel operation • RCA preamp outputs

5-Channel Class D Car Amplifier • 80W x 4 chan. + 280W x 1 chan. @ 4 ohm • 125W x 4 chan. + 600W x 1 chan. @ 2 ohm • 250W x 2 chan. + 600W x 1 chan. @ 4 ohm • 200W x 4 chan. + 1200W x 1 chan. Max • 5/4/3 channel operation • RCA preamp outputs

Sound Storm (SSL) F3600D Open Box

3600W Max, Class D Monoblock Power Amplifier with Bass Remote

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3600W Max, Class D Monoblock Power Amplifier with Bass Remote

SSL Series Monoblock Class D Car Amplifier • 1200 Watts x 1 Chan. @ 4 Ohm • 1800 Watts x 1 Chan. @ 2 Ohm • 3600 Watts x 1 Chan. @ 1 Ohm • MOSFET PWM Power Supply • Nickel-Plated RCA Level/Screw Terminals

SSL Series Monoblock Class D Car Amplifier • 1200 Watts x 1 Chan. @ 4 Ohm • 1800 Watts x 1 Chan. @ 2 Ohm • 3600 Watts x 1 Chan. @ 1 Ohm • MOSFET PWM Power Supply • Nickel-Plated RCA Level/Screw Terminals

Kicker CXA400.1 (46CXA4001T) (Open Box, Good)

400W RMS Class D CX-Series Monoblock Car Amplifier

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400W RMS Class D CX-Series Monoblock Car Amplifier

• 150 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 400 watts x 1 channel @ 1 ohm
• Total RMS Power: 400 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 150 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 400 watts x 1 channel @ 1 ohm
• Total RMS Power: 400 watts
• Class D 1 ohm Stable Monoblock Amplifier

JL Audio XDM600/6 (Open Box, Good)

600W RMS Class D XMD Series 6 Channel Car and Marine Amplifier

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600W RMS Class D XMD Series 6 Channel Car and Marine Amplifier

• 75 watts x 6 channel @ 4 ohm
• 100 watts x 6 channel @ 2 ohm
• Bridged: 200 watts x 3 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

• 75 watts x 6 channel @ 4 ohm
• 100 watts x 6 channel @ 2 ohm
• Bridged: 200 watts x 3 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 6-Channel Amplifier

Precision Power PPI D2000/1 R/B

FACTORY REFURBISHED

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FACTORY REFURBISHED

2000W Class D MonoBlock Amplifier • 600W x 1 chan. @ 2 Ohm • 1000W x 1 chan. @ 1 Ohm • Q-BASS • PWM design • 1 Ohm stable

2000W Class D MonoBlock Amplifier • 600W x 1 chan. @ 2 Ohm • 1000W x 1 chan. @ 1 Ohm • Q-BASS • PWM design • 1 Ohm stable

Focal FPX4.800 (OPEN BOX, LIKE NEW)

4-Channel Class D Premium Amplifier (4 x 120 W RMS @ 4 ohms)

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4-Channel Class D Premium Amplifier (4 x 120 W RMS @ 4 ohms)

• 4-Channel Class D Amplifier
• 120W RMS x 4 at 4 ohm
• 185 W RMS x 4 at 2 ohm
• Bridged mode (4 Ohm): 370W RMS x 2
• Very small size for power output
• Audio Mos-Fets – Optimized efficiency

• 4-Channel Class D Amplifier
• 120W RMS x 4 at 4 ohm
• 185 W RMS x 4 at 2 ohm
• Bridged mode (4 Ohm): 370W RMS x 2
• Very small size for power output
• Audio Mos-Fets – Optimized efficiency

Hifonics HFi1500D LIKE NEW DAMAGED PACKAGING

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

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

Like new Damaged Package
• 4 ohm: 500 watts x 1 chan.
• 2 ohm: 1000 watts x 1 chan.
• 1 ohm: 1500 watts x 1 chan.
• Wired remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Dual speaker terminals simplify the hookup of multiple speakers
• Signal to Noise Ration: >95 dB

Like new Damaged Package
• 4 ohm: 500 watts x 1 chan.
• 2 ohm: 1000 watts x 1 chan.
• 1 ohm: 1500 watts x 1 chan.
• Wired remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Dual speaker terminals simplify the hookup of multiple speakers
• Signal to Noise Ration: >95 dB

Hifonics BRX3016.1D OPEN BOX COMPLETE

3000W Monoblock Brutus Series Super Class D Amplifier

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3000W Monoblock Brutus Series Super Class D Amplifier

• Item Condition: Open Box Complete
• RMS Power: 1000W x 1 @ 4 ohm, 2000W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total Peak Power: 3000W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 17.7" L x 2.4" H

• Item Condition: Open Box Complete
• RMS Power: 1000W x 1 @ 4 ohm, 2000W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total Peak Power: 3000W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 17.7" L x 2.4" H

Alpine MRP-M2000 R/B Core Only

2000W RMS, Class D Monoblock Amplifier

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2000W RMS, Class D Monoblock Amplifier

V Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 4000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

V Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 4000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

Kenwood KAC-9104D Open Box

(Open Box with Full 1-year Warranty) 1800W Max, Class D Monoblock Amplifier

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(Open Box with Full 1-year Warranty) 1800W Max, Class D Monoblock Amplifier

Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • >900W x 1 chan. @ 1 ohm • 1800W x 1 chan. Max • Stackable operation capable • Speaker-level inputs • Preamp RCA outputs • Built-in cooling fan

Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • >900W x 1 chan. @ 1 ohm • 1800W x 1 chan. Max • Stackable operation capable • Speaker-level inputs • Preamp RCA outputs • Built-in cooling fan

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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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