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Hifonics Colossus (Factory Refurbished)

3200W RMS, Ultimate Performance Dual Monoblock Ultra Class D Amplifier

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3200W RMS, Ultimate Performance Dual Monoblock Ultra Class D Amplifier

• Dual Hybrid 2-Channel Class D Car Amplifier
• 3200W RMS • 1600W x 2 Chan @ 1 Ohm
• Wired HFR-G1 Remote Bass Level Control
• Variable Bass Boost
• Alloy Finned Heatsink

• Dual Hybrid 2-Channel Class D Car Amplifier
• 3200W RMS • 1600W x 2 Chan @ 1 Ohm
• Wired HFR-G1 Remote Bass Level Control
• Variable Bass Boost
• Alloy Finned Heatsink

Hifonics BRX1516.1D Open Box Complete (Very Good, Used)

1500 Watt Monoblock Brutus Series Super Class D 1-Ohm Stable Subwoofer Amplifier

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1500 Watt Monoblock Brutus Series Super Class D 1-Ohm Stable Subwoofer Amplifier

• Item Condition: Open Box
• RMS Power: 550W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Wired remote bass level control included
• Heavy duty aluminum alloy heat-sink with illuminated Hifonics logo
• 1-Ohm Stable operation
• Variable Bass Boost: 0 to +10 dB
• Variable Low Pass Filter
• Dimensions: 9.8" W x 12.5" L x 2.4" H

• Item Condition: Open Box
• RMS Power: 550W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Wired remote bass level control included
• Heavy duty aluminum alloy heat-sink with illuminated Hifonics logo
• 1-Ohm Stable operation
• Variable Bass Boost: 0 to +10 dB
• Variable Low Pass Filter
• Dimensions: 9.8" W x 12.5" L x 2.4" H

Phoenix Gold RSd 600.1 R/B

(Factory Refurbished) Radial Sd Series Class D Monoblock Amplifier, RSd600.1

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(Factory Refurbished) Radial Sd Series Class D Monoblock Amplifier, RSd600.1

650W RMS RSd Class D Monoblock Amplifier • 400W x 1 chan. @ 4 Ohm • 650W x 1 chan. @ 2 Ohm • MOSFET power supply • protection circuitry • line level inputs • variable bass boost • S/N ratio: 82dB

650W RMS RSd Class D Monoblock Amplifier • 400W x 1 chan. @ 4 Ohm • 650W x 1 chan. @ 2 Ohm • MOSFET power supply • protection circuitry • line level inputs • variable bass boost • S/N ratio: 82dB

Memphis 16-PR1.1000 R/B

(Refurbished) Power Reference PR Series Class D Monoblock Amplifier

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(Refurbished) Power Reference PR Series Class D Monoblock Amplifier

Power Reference Series Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • Remote bass level input • Internal cooling-fan

Power Reference Series Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • Remote bass level input • Internal cooling-fan

Rockford Fosgate bd1001P R/B

REFURBISHED WITH 30 DAY REPAIR WARRANTY ONLY

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REFURBISHED WITH 30 DAY REPAIR WARRANTY ONLY

1000W RMS at 2 ohm • variable low-pass crossover • subsonic filter • preamp outputs • Class bd amplifier • wired remote for bass boost

1000W RMS at 2 ohm • variable low-pass crossover • subsonic filter • preamp outputs • Class bd amplifier • wired remote for bass boost

Phoenix Gold Xenon X600.1 R/B

(Factory Refurbished) 600W RMS (at 1/2/4 ohms), Class D MonoBlock Amplifier

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(Factory Refurbished) 600W RMS (at 1/2/4 ohms), Class D MonoBlock Amplifier

600 watt RMS amplifier • 600W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

600 watt RMS amplifier • 600W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

JBL GTO-751EZ (Open Box)

Monoblock GTO Series Class D Car Amplifier

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Monoblock GTO Series Class D Car Amplifier

• 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

• 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

Hifonics Brutus BXi2607D R/B

2600W Brutus Series Class D Monoblock Amplifier

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2600W Brutus Series Class D Monoblock Amplifier

Brutus Series 1-Channel Class D Car Amplifier • 850W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2600W x 1 chan. • Highly efficient Super D-Class amplifier circuitry with over-sized MOSFET Output • Dash-Mountable Bass Remote Control Included

Brutus Series 1-Channel Class D Car Amplifier • 850W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2600W x 1 chan. • Highly efficient Super D-Class amplifier circuitry with over-sized MOSFET Output • Dash-Mountable Bass Remote Control Included

Hifonics Colossus OPEN BOX COMPLETE

3200W RMS Ultimate Performance Dual Monoblock Ultra Class D Amplifier

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3200W RMS Ultimate Performance Dual Monoblock Ultra Class D Amplifier

Used and has been previously installed
• 3250W RMS
• 1625W x 2 Chan @ 1 Ohm
• Wired HFR-G1 Remote Bass Level Control
• Variable Bass Boost
• Alloy Finned Heatsink

Used and has been previously installed
• 3250W RMS
• 1625W x 2 Chan @ 1 Ohm
• Wired HFR-G1 Remote Bass Level Control
• Variable Bass Boost
• Alloy Finned Heatsink

Polk Audio PA D2000.2 (PAD2000.2) Open Box

500W RMS, 2-Channel Class D PA Series Car Amplifier

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500W RMS, 2-Channel Class D PA Series Car Amplifier

PA Series 2-Channel Class D Car Amplifier • 125W x 2-Chan. @ 4 ohm • 250W x 2-Chan. @ 2 ohm • 500W x 1-Chan. Bridged • Level Control • Line Level Output • High-Pass Filter • Adjustable High-Pass & Low-Pass Frequencies

PA Series 2-Channel Class D Car Amplifier • 125W x 2-Chan. @ 4 ohm • 250W x 2-Chan. @ 2 ohm • 500W x 1-Chan. Bridged • Level Control • Line Level Output • High-Pass Filter • Adjustable High-Pass & Low-Pass Frequencies

Hifonics BRX1516.1D (OPEN BOX COMPLETE)

1500W Monoblock Brutus Series Super Class D Amplifier

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1500W Monoblock Brutus Series Super Class D Amplifier

• RMS Power: 550W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 12.5" L x 2.4" H

• RMS Power: 550W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 12.5" L x 2.4" H

MTX Audio JackHammer JH600 R/B

Refurbished 1200W Max, Class D Monoblock Jack Hammer Series Amplifier

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Refurbished 1200W Max, Class D Monoblock Jack Hammer Series Amplifier

JackHammer Series Class D Monoblock Car Amplifier • 350W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1200W x 1 chan. Max • Stackable configuration • Built-in active fan cooling • Subsonic filter

JackHammer Series Class D Monoblock Car Amplifier • 350W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1200W x 1 chan. Max • Stackable configuration • Built-in active fan cooling • Subsonic filter

Kicker DX500.1 (10DX500.1) Open Box

(Open Box) 500W RMS, Monoblock Class D DX Series Amplifier (DX5001)

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(Open Box) 500W RMS, Monoblock Class D DX Series Amplifier (DX5001)

DX Series Monoblock Class D Car Amplifier • 500 Watts x 1-Channel @ 1 Ohm • 275 Watts x 1-Channel @ 2 Ohm • 140 Watts x 1-Channel @ 4 Ohm • Muting Circuit • 3 Automatic Turn-On Modes • Balanced Differential Inputs

DX Series Monoblock Class D Car Amplifier • 500 Watts x 1-Channel @ 1 Ohm • 275 Watts x 1-Channel @ 2 Ohm • 140 Watts x 1-Channel @ 4 Ohm • Muting Circuit • 3 Automatic Turn-On Modes • Balanced Differential Inputs

Memphis Belle 16-MCH600 R/B

(Factory Refurbished) MCH600 5-Channel MClass Series Amplifier

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(Factory Refurbished) MCH600 5-Channel MClass Series Amplifier

5-Channel Memphis Belle Hybrid Amplifier • 55W RMS x 4 + 100W x 1 @ 4 • 75W RMS x 4 + 200W x 1 @ 2 • 1 Ohm Stable Subwoofer Channel: 400W RMS x 1 • Adjustable Input Sensitivity • Compact Aluminum Chassis with Black Pearl Finish • Built-in Crossover • Full MOSFET Design

5-Channel Memphis Belle Hybrid Amplifier • 55W RMS x 4 + 100W x 1 @ 4 • 75W RMS x 4 + 200W x 1 @ 2 • 1 Ohm Stable Subwoofer Channel: 400W RMS x 1 • Adjustable Input Sensitivity • Compact Aluminum Chassis with Black Pearl Finish • Built-in Crossover • Full MOSFET Design

American Bass VFL26801D - Open Box, Very Good Condition (Used)

2700W VFL Series Class D Mono Hybrid Car Amplifier - Open Box, Very Good Condition (Used)

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2700W VFL Series Class D Mono Hybrid Car Amplifier - Open Box, Very Good Condition (Used)

• Power Handling: 1300 Watts Rms @ 1 Ohm
• Rated Power Output: 2700 Watts Max Power @ 1 Ohm
• Variable HPF
• Variable LPF
• Bass Boost: 6 dB / 12 dB
• Frequency Response : 20 ~ 250Hz

• Power Handling: 1300 Watts Rms @ 1 Ohm
• Rated Power Output: 2700 Watts Max Power @ 1 Ohm
• Variable HPF
• Variable LPF
• Bass Boost: 6 dB / 12 dB
• Frequency Response : 20 ~ 250Hz

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

Previously installed and used
• 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

Previously installed and used
• 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

Cerwin-Vega Stroker 1000.1 (STKR1000.1)-OPEN BOX

1000W RMS Stroker Series Monoblock Class GH Car Amplifier

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1000W RMS Stroker Series Monoblock Class GH Car Amplifier

• RMS: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• Wired Bass Remote Included
• Bass Boost: 0-15 dB
• Class D Stealth Design
• Dimensions: 8-9/10"W x 15-1/2"L x 2-1/10"H

• RMS: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total RMS Power: 1000W
• Wired Bass Remote Included
• Bass Boost: 0-15 dB
• Class D Stealth Design
• Dimensions: 8-9/10"W x 15-1/2"L x 2-1/10"H

Eclipse XA5000 R/B

5-Channel Class D ICEpower Technology Amplifier plus Subsonic Filter

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5-Channel Class D ICEpower Technology Amplifier plus Subsonic Filter

900 watts peak • 50W RMS x 4 chan. • 300W RMS x 1 chan. • High current, high efficiency FET power supply • "Easy Tune" top-mounted controls

900 watts peak • 50W RMS x 4 chan. • 300W RMS x 1 chan. • High current, high efficiency FET power supply • "Easy Tune" top-mounted controls

Alpine KTP-445U Power Pack

180W RMS Power Pack Series Compact Class D 4-Channel Car Amplifier

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180W RMS Power Pack Series Compact Class D 4-Channel Car Amplifier

• RMS Power: 45W x 4-Chan. @ 4 Ohm
• Adjustable Gain Switch
• Plug-and-Play
• CEA-2006 Compliant

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• RMS Power: 45W x 4-Chan. @ 4 Ohm
• Adjustable Gain Switch
• Plug-and-Play
• CEA-2006 Compliant

Pioneer Premier PRS-D2000SPL R/B

(Refurbished) 4000W Max, Premier Competition-Level SPL Class D Monoblock Amplifier

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(Refurbished) 4000W Max, Premier Competition-Level SPL Class D Monoblock Amplifier

4000 watts Max, Premier Competition Level Monoblock Class D Car Amplifier • RMS: 4 ohm: 750 watts x 1 chan. • RMS: 2 ohm: 1500 watts x 1 chan. • RMS: 1 ohm: 2000 watts x 1 chan. • Max power output: 4000 watts x 1 chan.

4000 watts Max, Premier Competition Level Monoblock Class D Car Amplifier • RMS: 4 ohm: 750 watts x 1 chan. • RMS: 2 ohm: 1500 watts x 1 chan. • RMS: 1 ohm: 2000 watts x 1 chan. • Max power output: 4000 watts x 1 chan.

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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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