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1300 watts RMS x 1 at 2 ohm • Class-D • variable low-pass filter • Dynamic Bass Optimization circuit • preamp outputs

1300 watts RMS x 1 at 2 ohm • Class-D • variable low-pass filter • Dynamic Bass Optimization circuit • preamp outputs

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JL Audio 12W3v3-4 + Polk Audio PA D1000.1

500W RMS 12" W3v3 Series Single 4-Ohm Subwoofer + PA D Series Class-D Monoblock Car Amplifier

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500W RMS 12" W3v3 Series Single 4-Ohm Subwoofer + PA D Series Class-D Monoblock Car Amplifier

• 500 Watts RMS x 1
• Sensitivity: 87.15 dB
• Mounting depth: 6.65 "
• Injection-molded, mineral-filled polypropylene cone
• Nitrile butadiene rubber surround
•Customization trim ring
• Floating Cone Attach Method
• DMA Optimized Motor
• Wired remote bass level control included
• CEA-2006 Compliant
• Signal to Noise Ration: 105 dBA
• Variable Bass Boost: 0 to +12 dB bass boost at 44 Hz
• Dimensions: 6-3/4" W x 12-15/16" L x 1-13/16" H

• 500 Watts RMS x 1
• Sensitivity: 87.15 dB
• Mounting depth: 6.65 "
• Injection-molded, mineral-filled polypropylene cone
• Nitrile butadiene rubber surround
•Customization trim ring
• Floating Cone Attach Method
• DMA Optimized Motor
• Wired remote bass level control included
• CEA-2006 Compliant
• Signal to Noise Ration: 105 dBA
• Variable Bass Boost: 0 to +12 dB bass boost at 44 Hz
• Dimensions: 6-3/4" W x 12-15/16" L x 1-13/16" H

Kicker ZX750.1 Factory R/B

06ZX750.1 ZX Series Class D Monoblock Amplifier

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06ZX750.1 ZX Series Class D Monoblock Amplifier

Factory Reconditioned with 90 Days Manufacturer's warranty, 750W RMS x 1 at 2 ohm • Class D design • wired remote bass level control • preamp outputs • CEA-2006 compliant • subsonic filter

Factory Reconditioned with 90 Days Manufacturer's warranty, 750W RMS x 1 at 2 ohm • Class D design • wired remote bass level control • preamp outputs • CEA-2006 compliant • subsonic filter

Kicker KX2400.1 Amp + (2) RE Audio SXXv2-12D2 Subs

Matched Combo with Kicker 2400W RMS Amp + 2 RE Audio Dual 2 ohm Subs

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Matched Combo with Kicker 2400W RMS Amp + 2 RE Audio Dual 2 ohm Subs

• 2 RE Audio Subs with a Matching Kicker Amp
• RMS: 1200W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm
• Total Peak Power: 3200W
• CEA-2006 Compliant
• Kick EQ+ Bass Boost: 0-18 dB from 20-80 Hz
• Magnetic Panel Covers Controls
• Dimensions: 8-5/16"W x 15-1/2"L x 2-1/8"H

• 2 RE Audio Subs with a Matching Kicker Amp
• RMS: 1200W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm
• Total Peak Power: 3200W
• CEA-2006 Compliant
• Kick EQ+ Bass Boost: 0-18 dB from 20-80 Hz
• Magnetic Panel Covers Controls
• Dimensions: 8-5/16"W x 15-1/2"L x 2-1/8"H

Infinity K5 Amplifier with Clari-fi Technology (Open Box)

2300W Peak (750W RMS) High Performance Kappa Series Class-D 5-Channel 2-Ohm Stable Amplifier with Bluetooth and Clari-Fi Technology

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2300W Peak (750W RMS) High Performance Kappa Series Class-D 5-Channel 2-Ohm Stable Amplifier with Bluetooth and Clari-Fi Technology

• Item Condition: Like New Open Box
• 75 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• 200 Watts RMS x 2 @ 4 ohm Bridged
• Subwoofer Channel: 4 ohm: 200 watts x 1 chan.
• 2 ohm: 350 watts x 1 chan.
• Total Peak Power: 1500 Watts
• Bluetooth Streaming
• Clari-fi Technology
• Wired control panel
• Speaker-level (high-level) inputs

• Item Condition: Like New Open Box
• 75 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• 200 Watts RMS x 2 @ 4 ohm Bridged
• Subwoofer Channel: 4 ohm: 200 watts x 1 chan.
• 2 ohm: 350 watts x 1 chan.
• Total Peak Power: 1500 Watts
• Bluetooth Streaming
• Clari-fi Technology
• Wired control panel
• Speaker-level (high-level) inputs

Soundstream PCX1500D (PCX-1500D) R/B

1500W RMS, Class D Monoblock Picasso Series Amplifier

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1500W RMS, Class D Monoblock Picasso Series Amplifier

Picasso Series Monoblock Class D Car Amplifier • 800W x 1 chan. @ 4 ohm • 1500W RMS • Twin Stack Technology • Anodized heatsink • Variable low-pass filter • Subsonic filter

Picasso Series Monoblock Class D Car Amplifier • 800W x 1 chan. @ 4 ohm • 1500W RMS • Twin Stack Technology • Anodized heatsink • Variable low-pass filter • Subsonic filter

MB Quart OA1550.1D OPEN BOX COMPLETE

1500W Mono Block Onyx Series Class D Amplifier

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1500W Mono Block Onyx Series Class D Amplifier

• RMS: 475W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Fluid-Fets MOSFET Power Supply
• Q-Stasis Pre-Amplifier Stage
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 9.50"W x 14.41"L x 2.34"H

• RMS: 475W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Fluid-Fets MOSFET Power Supply
• Q-Stasis Pre-Amplifier Stage
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 9.50"W x 14.41"L x 2.34"H

Infinity PRIMUS-3000A Open Box

600W Max (300W RMS) Primus Series 2 ohm Stable Monoblock Class-D Amplifier

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600W Max (300W RMS) Primus Series 2 ohm Stable Monoblock Class-D Amplifier

• 300 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• Variable low-pass filter: 32 - 320 Hz, 24 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
• 0 to 180 degree Phase Output
• Dimensions: 12.3" W x 7.4" L x 3.74" H

• 300 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• Variable low-pass filter: 32 - 320 Hz, 24 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
• 0 to 180 degree Phase Output
• Dimensions: 12.3" W x 7.4" L x 3.74" H

Kenwood KAC-9103D R/B

1800W Max, Class D Monoblock Amplifier

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1800W Max, Class D Monoblock Amplifier

1800W Class-D Monoblock Amplifier • 500W RMS x 1 @ 4 ohm • 900W RMS x 1 @ 2 ohm • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 1 Pair RCA Outputs • 0 - 18 dB Bass Boost

1800W Class-D Monoblock Amplifier • 500W RMS x 1 @ 4 ohm • 900W RMS x 1 @ 2 ohm • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 1 Pair RCA Outputs • 0 - 18 dB Bass Boost

MB Quart RA1000.1 OPEN BOX COMPLETE

1000W Class D 1-Channel Monoblock Reference Series Amplifier

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1000W Class D 1-Channel Monoblock Reference Series Amplifier

Item is used and has been installed
• Peak: 475W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Built-In System Diagnostics
• Variable Bass EQ: 0 to +10 dB at 45 Hz
• Class D Circuitry
• Dimensions: 8-5/16"W x 15-1/2"D x 2-3/8"H

Item is used and has been installed
• Peak: 475W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Built-In System Diagnostics
• Variable Bass EQ: 0 to +10 dB at 45 Hz
• Class D Circuitry
• Dimensions: 8-5/16"W x 15-1/2"D x 2-3/8"H

Hifonics Titan TX8805 R/B

440W RMS Titan Series 4-Channel Amplifier

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440W RMS Titan Series 4-Channel Amplifier

Titan Series 4 Channel Amplifier • 110 watts x 4 chan @ 4 ohm • 220 watts x 4 chan @ 2 ohm • Bass Remote Control Port • Power and Protection LEDs • 18dB Bass Boost • Variable Input Sensitivity

Titan Series 4 Channel Amplifier • 110 watts x 4 chan @ 4 ohm • 220 watts x 4 chan @ 2 ohm • Bass Remote Control Port • Power and Protection LEDs • 18dB Bass Boost • Variable Input Sensitivity

Massive Audio BL3 Open Box (Complete)

2800W Max Marine and Powersports Nano BLU Series 1 ohm Stable Monoblock Class-D Amplifier

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2800W Max Marine and Powersports Nano BLU Series 1 ohm Stable Monoblock Class-D Amplifier

• 450 Watts RMS x 1 @ 4 ohm
• 700 Watts RMS x 1 @ 2 ohm
• 1400 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2800 Watts
• CEA-2006 Compliant
• Built for Powersports and Marine Applications
• HEATSINK
• Dimensions: 11.5" W x 4.25" L x 1.6" H

• 450 Watts RMS x 1 @ 4 ohm
• 700 Watts RMS x 1 @ 2 ohm
• 1400 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2800 Watts
• CEA-2006 Compliant
• Built for Powersports and Marine Applications
• HEATSINK
• Dimensions: 11.5" W x 4.25" L x 1.6" H

100W x 1 Chan. @ 2 Ohm RMS • Description Coming Soon!

Rockford Fosgate Prime R1200-1D

1200W RMS Prime Series Class-D Monoblock Amplifier

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1200W RMS Prime Series Class-D Monoblock Amplifier

• 400 watts x 1 channel @ 4 ohm
• 800 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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• 400 watts x 1 channel @ 4 ohm
• 800 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

JL Audio ZR100-CT (Open Box Complete)

225W 1.0" Evolution ZR Series Component Aluminum Dome Tweeters

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225W 1.0" Evolution ZR Series Component Aluminum Dome Tweeters

• Peak Power: 225W per channel
• RMS Power: 85W per channel
• Soft rubber suspension
• Neodymium magnet
• Ferrofluid cooled and damped
•Includes a 12dB/Octave inline filter
• Variable mounting system
• 8 ohm

• Peak Power: 225W per channel
• RMS Power: 85W per channel
• Soft rubber suspension
• Neodymium magnet
• Ferrofluid cooled and damped
•Includes a 12dB/Octave inline filter
• Variable mounting system
• 8 ohm

Kicker 08ZX1500.1 (ZX1500.1)

1500W RMS, Class D Monoblock ZX Series Amplifier (08ZX15001, ZX15001)

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1500W RMS, Class D Monoblock ZX Series Amplifier (08ZX15001, ZX15001)

ZX Series Class D Monoblock Car Amplifier • 750W x 1 chan. @ 4 ohm • 1500W x 1 chan. @ 2 ohm • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

ZX Series Class D Monoblock Car Amplifier • 750W x 1 chan. @ 4 ohm • 1500W x 1 chan. @ 2 ohm • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

Pioneer GM-D9500F Open Box

(Open Box) 800W Max, Class FD 4-Channel Amplifier (Full-Range Class D)

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(Open Box) 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

RE Audio VLX 2DE

1800W RMS, 1-Channel Monoblock Class "DE" Digital Stereo Amplifier

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1800W RMS, 1-Channel Monoblock Class "DE" Digital Stereo Amplifier

VLX Series Monoblock Class "DE" Digital Stereo Amplifier • 1800W x 1 Chan @ 1 Ohm • 900W x 1 Chan @ 2 Ohm • Magnetic Induction Regulated Drive Power Supply • Balanced Transformer-Less Logic Input

VLX Series Monoblock Class "DE" Digital Stereo Amplifier • 1800W x 1 Chan @ 1 Ohm • 900W x 1 Chan @ 2 Ohm • Magnetic Induction Regulated Drive Power Supply • Balanced Transformer-Less Logic Input

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Hifonics ZRX1216.1D + True Spec 4 Gauge Installation Kit

1200W Monoblock Zeus Series Class D Amplifier with 100% Copper True Spec 4 Gauge Installation Kit

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1200W Monoblock Zeus Series Class D Amplifier with 100% Copper True Spec 4 Gauge Installation Kit

• Max Power: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 1200W
• Variable Low Pass Filter
• Dimensions: 10" W x 12.6" L x 2.4" H
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• Max Power: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 1200W
• Variable Low Pass Filter
• Dimensions: 10" W x 12.6" L x 2.4" H
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

Hifonics XXV-COLOSSUS

Ultra Class D MonoBlock / 2-Channel Hybrid Amplifier with Bass Remote

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Ultra Class D MonoBlock / 2-Channel Hybrid Amplifier with Bass Remote

XXV Series 2/1-Channel Ultra D Class Car Amplifier • 600W x 2 chan. @ 4 ohm• 1600W x 2 chan. @ 1 ohm • 3200W Max x 1 chan. • MOSFET power supply • Wired remote bass level control included • DC, Speaker Short, Thermal, and Overload Protection • Heavy duty aluminum alloy heatsink

XXV Series 2/1-Channel Ultra D Class Car Amplifier • 600W x 2 chan. @ 4 ohm• 1600W x 2 chan. @ 1 ohm • 3200W Max x 1 chan. • MOSFET power supply • Wired remote bass level control included • DC, Speaker Short, Thermal, and Overload Protection • Heavy duty aluminum alloy heatsink

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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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