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Rockford Fosgate Prime R500X1D

500W RMS Prime Series Class D Monoblock Amplifier (Open Box Complete)

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500W RMS Prime Series Class D Monoblock Amplifier (Open Box Complete)

• 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

• 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

Hifonics BG-1300.1D

1300 Watts BRUTUS Gamma Mono Subwoofer Car Audio Amplifier

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1300 Watts BRUTUS Gamma Mono Subwoofer Car Audio Amplifier

• 1300 Watt Amplifier
• Monoblock Class D
• CEA-2006 Compliant
• Ultra-Fi™ MOSFET Technology

• 1300 Watt Amplifier
• Monoblock Class D
• CEA-2006 Compliant
• Ultra-Fi™ MOSFET Technology

NVX JAD900.5 - Open Box, Acceptable Condition (Used)

True 900W RMS, Full Range Class D 5-Channel Amplifier with Bass Remote Open Box Complete (Good, Used)

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True 900W RMS, Full Range Class D 5-Channel Amplifier with Bass Remote Open Box Complete (Good, Used)

• 4 ohm: 70 watts x 4 chan. + 220 x 1 chan.
• 2 ohm: 115 watts x 4 chan. + 440 x 1 chan.
• Bridged, 4 ohm: 230 watts x 2 chan. + 440 x 1 chan.
• 5/4/3 Channel Operation

• 4 ohm: 70 watts x 4 chan. + 220 x 1 chan.
• 2 ohm: 115 watts x 4 chan. + 440 x 1 chan.
• Bridged, 4 ohm: 230 watts x 2 chan. + 440 x 1 chan.
• 5/4/3 Channel Operation

Infinity Reference 551A (REF-551A)

1300W Max (550W RMS) Reference Series Class-D Monoblock 2 Ohm Stable Amplifier with High Level Input Adapters Included

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1300W Max (550W RMS) Reference Series Class-D Monoblock 2 Ohm Stable Amplifier with High Level Input Adapters Included

• 370 Watts RMS x 1 @ 4 ohm
• 550 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1300 Watts
• Variable Bass Boost: 0 to +9 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Frequency Response: 32 - 320 Hz

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• 370 Watts RMS x 1 @ 4 ohm
• 550 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1300 Watts
• Variable Bass Boost: 0 to +9 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Frequency Response: 32 - 320 Hz

JBL GTO-751EZ Open Box Complete

1200 Watt Max Monoblock GTO Series Class D Car Amplifier

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1200 Watt Max Monoblock GTO Series Class D Car Amplifier

• Item Condition: Open Box
• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 12"L x 2-5/8"H

• Item Condition: Open Box
• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 12"L x 2-5/8"H

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500W RMS Class-D Monoblock Subwoofer Amplifier • 500W RMS x 1 @ 2 Ohm • Black Pearl Finish • 0 - 18 dB Bass Boost • Adjustable Input Level • Adjustable Low-Pass and Subsonic Filters • RCA Outputs

500W RMS Class-D Monoblock Subwoofer Amplifier • 500W RMS x 1 @ 2 Ohm • Black Pearl Finish • 0 - 18 dB Bass Boost • Adjustable Input Level • Adjustable Low-Pass and Subsonic Filters • RCA Outputs

Phoenix Gold SX2 800.4 (SX2800.4)

SX Series 2 800W RMS Class D 4-Channel Amplifier

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SX Series 2 800W RMS Class D 4-Channel Amplifier

• Class D SX Series 4 Channel Amplifier
• Total RMS Power : 800w
• Audio Precision Quality Control Verification
• Tri-light LED amplifier status indicators
• Onboard Thermal Management
• Power/Ground Wire Size: 4GA
• Bass Boost: @ 40Hz 0 to +6dB

• Class D SX Series 4 Channel Amplifier
• Total RMS Power : 800w
• Audio Precision Quality Control Verification
• Tri-light LED amplifier status indicators
• Onboard Thermal Management
• Power/Ground Wire Size: 4GA
• Bass Boost: @ 40Hz 0 to +6dB

Orion HCCA-D1200

1200W Max, HCCA High Current Competition Class D Monoblock Amplifier

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1200W Max, HCCA High Current Competition Class D Monoblock Amplifier

1200W Class D Monoblock Amplifier • 250W x 1 chan. @ 4 Ohm • 400W x 1 chan. @ 2 Ohm • Orion industrial design • MOSFET power supply • double sided circuit boards • CEA-2006 compliant

1200W Class D Monoblock Amplifier • 250W x 1 chan. @ 4 Ohm • 400W x 1 chan. @ 2 Ohm • Orion industrial design • MOSFET power supply • double sided circuit boards • CEA-2006 compliant

Hifonics X1500.1D

1500W BRUTUS X-14 Series Class-D Monoblock 1-Channel Amplifier

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1500W BRUTUS X-14 Series Class-D Monoblock 1-Channel Amplifier

• RMS Power: 600W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• CEA-2006 Compliant/Preamp Outputs/LPF
• 12.60"W x 2.5"H x 9.49"L

• RMS Power: 600W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• CEA-2006 Compliant/Preamp Outputs/LPF
• 12.60"W x 2.5"H x 9.49"L

Hifonics BX1500D Brutus Series

Class D 3000 Watt Monoblock Amplifier

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Class D 3000 Watt Monoblock Amplifier

500W RMS x 1 at 4 ohm • 1000W RMS x 1 at 2 ohm • 1500W RMS x 1 at 1 ohm • Bass Remote Included • 1 ohm mono stable

500W RMS x 1 at 4 ohm • 1000W RMS x 1 at 2 ohm • 1500W RMS x 1 at 1 ohm • Bass Remote Included • 1 ohm mono stable

Earthquake Sound MiNi D 2000

2000 W Max (1200 W RMS) MiNi Series Class-D Monoblock 1 Ohm Stable Amplifier with Bass Knob

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2000 W Max (1200 W RMS) MiNi Series Class-D Monoblock 1 Ohm Stable Amplifier with Bass Knob

• 650 Watts RMS x 1 @ 4 ohm
• 1000 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Low-Pass and Subsonic Filters Built-In
• 0 - 12 dB Bass Boost
• Aluminum Heatsink
• Dimentions: 6-5/16"W x 10-9/16"L x 1-15/16"H

• 650 Watts RMS x 1 @ 4 ohm
• 1000 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Low-Pass and Subsonic Filters Built-In
• 0 - 12 dB Bass Boost
• Aluminum Heatsink
• Dimentions: 6-5/16"W x 10-9/16"L x 1-15/16"H

Precision Power PPI i320.4

320W 4-Channel iON Series Class D Full-Range Digital Stereo Bridgeable Amplifier (i3204)

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320W 4-Channel iON Series Class D Full-Range Digital Stereo Bridgeable Amplifier (i3204)

• 60W x 4-Chan. @ 4 ohm
• 80W x 4-Chan. @ 2 ohm
• 160W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Surface Mount Technology (SMT)

• 60W x 4-Chan. @ 4 ohm
• 80W x 4-Chan. @ 2 ohm
• 160W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Surface Mount Technology (SMT)

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500W RMS at 2 ohm • 250W RMS x 1 Car Amplifier at 4 ohm • Bass Engine with low-pass filter, subsonic filter, parametric EQ, and Bass Compensator • preamp outputs

500W RMS at 2 ohm • 250W RMS x 1 Car Amplifier at 4 ohm • Bass Engine with low-pass filter, subsonic filter, parametric EQ, and Bass Compensator • preamp outputs

Phoenix Gold Ryval V8001

1600W Max, Class D Monoblock Amplifier

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1600W Max, Class D Monoblock Amplifier

Ryval Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 800W x 1 chan. @ 2 ohm • 1600W x 1 chan. Max • Low pass level input (remote level control sold separately) • Speaker-level inputs • Preamp RCA outputs

Ryval Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 800W x 1 chan. @ 2 ohm • 1600W x 1 chan. Max • Low pass level input (remote level control sold separately) • Speaker-level inputs • Preamp RCA outputs

db Drive pd2000.1 R/B

Refurbished 2000W Platinum Series Class D Monoblock Amplifier

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Refurbished 2000W Platinum Series Class D Monoblock Amplifier

db Drive pd2000.1 Platinum Class D Monoblock Amplifier • 500W x 1 chan @ 4 ohm • 1000W x 1 chan @ 2 ohm • 2000W x 1 chan @ 1 ohm • Remote Bass Control Included • Variable Bass Boost • Internal Multi-Link Module

db Drive pd2000.1 Platinum Class D Monoblock Amplifier • 500W x 1 chan @ 4 ohm • 1000W x 1 chan @ 2 ohm • 2000W x 1 chan @ 1 ohm • Remote Bass Control Included • Variable Bass Boost • Internal Multi-Link Module

Crunch PX2000.1D

2000W Max Power X Series 1-ohm Stable Class D Monoblock Subwoofer Amplifier with Wired Remote Bass Level Control

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2000W Max Power X Series 1-ohm Stable Class D Monoblock Subwoofer Amplifier with Wired Remote Bass Level Control

• 250 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• 1000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Variable low-pass filter: 30 - 250 Hz
• Subsonic filter: 20 - 50 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 10.8"W x 13.3"L x 3.7"H

• 250 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• 1000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Variable low-pass filter: 30 - 250 Hz
• Subsonic filter: 20 - 50 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 10.8"W x 13.3"L x 3.7"H

Power Acoustik RZ2-1300D

1300W Max 2-Channel RAZOR Series Full Range Class D Car Amplifier

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1300W Max 2-Channel RAZOR Series Full Range Class D Car Amplifier

• 4 ohm: 160 watts x 2 chan.
• 2 ohm: 250 watts x 2 chan.
• Bridged, 4 ohm: 500 x 1 chan.
• Max power output: 1300 watts x 1 chan.

• 4 ohm: 160 watts x 2 chan.
• 2 ohm: 250 watts x 2 chan.
• Bridged, 4 ohm: 500 x 1 chan.
• Max power output: 1300 watts x 1 chan.

NVX JAD800.4 - As-is, Intermittent or Unfound Defect Used

True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

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True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

• 4 ohm: 125 watts x 4-Chan. RMS
• 2 ohm: 200 watts x 4-Chan. RMS
• Bridged, 4 ohm: 400 x 2 chan. RMS
• Pulse Width Modulated MOSFET Power Supply
• 4/3/2 Channel Operation

• 4 ohm: 125 watts x 4-Chan. RMS
• 2 ohm: 200 watts x 4-Chan. RMS
• Bridged, 4 ohm: 400 x 2 chan. RMS
• Pulse Width Modulated MOSFET Power Supply
• 4/3/2 Channel Operation

Power Acoustik BAMF4-1200

1200W Max (600W RMS) BAMF Series 4-Channel Class-A/B 2-Ohm Stable Bridgeable Amplifier

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1200W Max (600W RMS) BAMF Series 4-Channel Class-A/B 2-Ohm Stable Bridgeable Amplifier

• 75 Watts RMS x 4 @ 4 ohm
• 150 Watts RMS x 4 @ 2 ohm
• 300 Watts RMS x 2 @ 4 ohm
• Total Peak Power: 1200 Watts
• Variable low and high-pass filter: 50 - 500 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost
• Die-Cast Aluminum Alloy Heatsink for Optimum Dissipation

• 75 Watts RMS x 4 @ 4 ohm
• 150 Watts RMS x 4 @ 2 ohm
• 300 Watts RMS x 2 @ 4 ohm
• Total Peak Power: 1200 Watts
• Variable low and high-pass filter: 50 - 500 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost
• Die-Cast Aluminum Alloy Heatsink for Optimum Dissipation

Kole Audio QX1-2400D

2400W Max, Class D Monoblock Amplifier

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2400W Max, Class D Monoblock Amplifier

QX Series Single-Channel Class D Car Amplifier • 900W x 1 Chan @ 4 ohm • 1400W x 1 Chan @ 2 ohm • 2400 watts Max • Wired Remote Bass • Tuned Bass EQ • 1 Ohm Stable • Four Way Protection Circuit • Preamp RCA Outputs

QX Series Single-Channel Class D Car Amplifier • 900W x 1 Chan @ 4 ohm • 1400W x 1 Chan @ 2 ohm • 2400 watts Max • Wired Remote Bass • Tuned Bass EQ • 1 Ohm Stable • Four Way Protection Circuit • Preamp RCA Outputs

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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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