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Discontinued Monoblock Amplifiers

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Alpine MRV-M1200 (Open Box Complete Like New Damaged Box)

2400W Peak (1200W RMS) Class-D Monoblock Amplifier with Remote Bass Knob Included(Open Box Complete Like New Damaged Box)

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2400W Peak (1200W RMS) Class-D Monoblock Amplifier with Remote Bass Knob Included(Open Box Complete Like New Damaged Box)

• Item Condition: Open Box, New, damaged packaging
• 600 Watts RMS x 1 @ 4 ohm
• 1200 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 2400 Watts
• CEA-2006 Compliant
• 40% smaller footprin

• Item Condition: Open Box, New, damaged packaging
• 600 Watts RMS x 1 @ 4 ohm
• 1200 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 2400 Watts
• CEA-2006 Compliant
• 40% smaller footprin

Cadence QRS 1.1800D Open Box (Complete)

1800W RMS QRS Series 1 ohm Stable Monoblock Class-D Amplifier w/ Bass Knob Included

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1800W RMS QRS Series 1 ohm Stable Monoblock Class-D Amplifier w/ Bass Knob Included

• 800 Watts RMS x 1 @ 4 ohm
• 1200 Watts RMS x 1 @ 2 ohm
• 1800 Watts RMS x 1 @ 1 ohm
• Low Pass and Subsonic Filters
• 0-15 Bass BOost
• Aluminum Heatsink
• Dimensions: 15.55" W x 7.56" L x 2.32" H

• 800 Watts RMS x 1 @ 4 ohm
• 1200 Watts RMS x 1 @ 2 ohm
• 1800 Watts RMS x 1 @ 1 ohm
• Low Pass and Subsonic Filters
• 0-15 Bass BOost
• Aluminum Heatsink
• Dimensions: 15.55" W x 7.56" L x 2.32" H

Hifonics BRX1116.1D OPEN BOX COMPLETE

1100W Monoblock Brutus Series Super Class D Amplifier

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1100W Monoblock Brutus Series Super Class D Amplifier

Used
• RMS Power: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 10.2" L x 2.4" H

Used
• RMS Power: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 10.2" L x 2.4" H

Hifonics BRX2400.1D (Brutus BRX-2400.1D) OPEN BOX INCOMPLETE

2400W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

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2400W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total RMS Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total RMS Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

Autotek MM-3025.1D

3000W Peak Class D Compact Mean Machine Series Monoblock Car Amplifier with Bass Remote

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3000W Peak Class D Compact Mean Machine Series Monoblock Car Amplifier with Bass Remote

• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total Peak Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total Peak Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Autotek MM-1125.1D

1100W Peak Class D Compact Mean Machine Series Monoblock Car Amplifier with Bass Remote

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1100W Peak Class D Compact Mean Machine Series Monoblock Car Amplifier with Bass Remote

• 225 watts x 1 channel @ 4 ohm
• 550 watts x 1 channel @ 2 ohm
• 1100 watts x 1 channel @ 1 ohm
• Total Peak Power: 1100 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 225 watts x 1 channel @ 4 ohm
• 550 watts x 1 channel @ 2 ohm
• 1100 watts x 1 channel @ 1 ohm
• Total Peak Power: 1100 watts
• Class D 1 ohm Stable Monoblock Amplifier

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

Alpine MRV-M500-FACTORY REFURBISHED

500W V-Power Series Class D Monoblock Digital Amplifier

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500W V-Power Series Class D Monoblock Digital Amplifier

• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 500W
• CEA-2006 Compliant Amplifier
• 4-Channel Speaker-Level Inputs
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 7-7/8"W x 7-7/8"L x 2-3/16"H

• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 500W
• CEA-2006 Compliant Amplifier
• 4-Channel Speaker-Level Inputs
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 7-7/8"W x 7-7/8"L x 2-3/16"H

Hifonics BRX2000.1D (Factory Refurbished)

2000W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

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2000W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

• RMS: 700W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total RMS Power: 2000W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 16-11/16"L x 10-5/16"W x 2-1/2"H

• RMS: 700W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total RMS Power: 2000W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 16-11/16"L x 10-5/16"W x 2-1/2"H

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 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

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

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    FAQ Frequently asked questions in Discontinued Monoblock Amplifiers


    A monoblock amplifier is a single-channel amplifier designed to power a single speaker or subwoofer. Unlike multi-channel amplifiers that can power multiple speakers simultaneously, a monoblock amplifier is dedicated to driving a specific speaker, typically a subwoofer. The advantage of a monoblock amplifier lies in its specialized design, which allows it to deliver higher power output to the subwoofer without interference from other speakers. This dedicated power delivery results in enhanced bass response and cleaner, more impactful low-frequency reproduction, making monoblock amplifiers a popular choice for car audio enthusiasts seeking powerful bass performance.
    Monoblock amplifiers are specifically designed to power subwoofers and are not intended for use with other speakers in your audio system. They usually have a single output channel optimized for low-frequency signals, making them unsuitable for driving mid-range or high-frequency speakers. For other speakers like door speakers or tweeters, you should use multi-channel amplifiers or dedicated channels on an audio processor. Using a monoblock amplifier for full-range speakers can result in poor audio performance and potential damage to the speakers.
    Monoblock amplifiers are compatible with most subwoofers, but it's crucial to consider the amplifier's power output and the subwoofer's power handling capabilities. The amplifier's power rating should match or slightly exceed the subwoofer's RMS power handling to ensure optimal performance and prevent overloading the subwoofer. Additionally, check the impedance (ohms) of both the amplifier and the subwoofer to ensure they match. Most monoblock amplifiers can handle both 2-ohm and 4-ohm loads, but some can also operate at 1-ohm, providing flexibility in subwoofer wiring configurations.
    No, monoblock amplifiers are not designed for bridging, as they are already single-channel amplifiers dedicated to powering a single subwoofer. Attempting to bridge a monoblock amplifier can cause damage to the amplifier and subwoofers. If you need to power multiple subwoofers, consider using multi-channel amplifiers or multiple monoblock amplifiers, each dedicated to driving a separate subwoofer. Sonic Electronix offers a wide selection of multi-channel amplifiers that can power multiple subwoofers simultaneously, ensuring optimal performance and protection for your audio system.
    Monoblock amplifiers can generate a significant amount of heat, especially when driving powerful subwoofers at high volume levels. While they don't require special cooling or ventilation compared to other amplifier types, it's essential to provide adequate airflow around the amplifier to dissipate heat effectively. Avoid mounting the amplifier in enclosed spaces or areas with limited ventilation, as this can lead to overheating and reduced performance. In some cases, installing a cooling fan or using amplifier cooling solutions can help maintain optimal operating temperatures. If you have concerns about amplifier heat, Sonic Electronix's knowledgeable staff can recommend suitable cooling solutions for your specific setup. Monoblock amplifiers are an excellent choice for enhancing the bass performance in your car audio system, providing dedicated power delivery to your subwoofers for impactful and detailed low-frequency sound reproduction. When used correctly and matched with the right subwoofers, monoblock amplifiers can elevate your car audio experience to new depths of bass excellence.
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