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Discontinued Monoblock Amplifiers

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Infinity Reference 1300a

342W Max, Reference Series Class D Monoblock Amplifier

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342W Max, Reference Series Class D Monoblock Amplifier

• RMS: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Bass Boost: 0-6 dB
• Class D Circuitry
• Dimensions: 14-3/4"L x 9"W x 2-11/16H

• RMS: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Bass Boost: 0-6 dB
• Class D Circuitry
• Dimensions: 14-3/4"L x 9"W x 2-11/16H

Hifonics BRX1000.1D

1000W Brutus Series Monoblock Class D Car Amplifier

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1000W Brutus Series Monoblock Class D Car Amplifier

• RMS: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• CEA-2006 Compliant
• Ultra-Fi™ Pulse Width Modulated MOSFET Power Supply
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 10.31"W x 14.35"L x 2.52"H

• RMS: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• CEA-2006 Compliant
• Ultra-Fi™ Pulse Width Modulated MOSFET Power Supply
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 10.31"W x 14.35"L x 2.52"H

Soundstream RUB1.1600D

1600W RMS, Rubicon Series Class D Monoblock Amplifier

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1600W RMS, Rubicon Series Class D Monoblock Amplifier

Rubicon Series Monoblock Car Amplifier • 700 watts x 1 chan @ 4 Ohm • 1100 watts x 1 chan @ 2 Ohm • MOSFET Power Supply • LED Protection Indicator • SMT Built In Cooling Fan • Aluminum Alloy Heatsink

Rubicon Series Monoblock Car Amplifier • 700 watts x 1 chan @ 4 Ohm • 1100 watts x 1 chan @ 2 Ohm • MOSFET Power Supply • LED Protection Indicator • SMT Built In Cooling Fan • Aluminum Alloy Heatsink

MB Quart ONX1.1500D

1500W RMS ONYX Series Class D Monoblock Amplifier (ONX-1.1500D)

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1500W RMS ONYX Series Class D Monoblock Amplifier (ONX-1.1500D)

ONYX Series Monoblock Class D Car Amplifier • 1500W x 1 Chan @ 1 Ohm • 1000W x 1 Chan @ 2 Ohm • Dual Speaker Terminals • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

ONYX Series Monoblock Class D Car Amplifier • 1500W x 1 Chan @ 1 Ohm • 1000W x 1 Chan @ 2 Ohm • Dual Speaker Terminals • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

Cerwin-Vega XED1200.1M

1200W XED Series Monoblock Class AB Amplifier

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High Quality Mono Class AB Topology Design!

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1200W XED Series Monoblock Class AB Amplifier

• RMS Power: 300W x 1 @ 4 ohm , 450W x 4 @ 2 ohm ,
• Total Peak Power: 1200W
• Variable Low-Pass Filter
• Pulse Width Modulated MOSFET Power Supply
• Heavy-Grade Aluminum Alloy Extruded Heatsink

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High Quality Mono Class AB Topology Design!

• RMS Power: 300W x 1 @ 4 ohm , 450W x 4 @ 2 ohm ,
• Total Peak Power: 1200W
• Variable Low-Pass Filter
• Pulse Width Modulated MOSFET Power Supply
• Heavy-Grade Aluminum Alloy Extruded Heatsink

SKAR Audio T-2000.1D

2000W RMS Monoblock Class D T-Series Car Amplifier

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2000W RMS Monoblock Class D T-Series Car Amplifier

• RMS: 50W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total RMS Power: 2000W
• 1 Pair of Preamp Outputs
• Dimensions: 9-7/8"W x 18-15/16"L x 2-1/16"H

• RMS: 50W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total RMS Power: 2000W
• 1 Pair of Preamp Outputs
• Dimensions: 9-7/8"W x 18-15/16"L x 2-1/16"H

Hifonics HFi1000D

1000W RMS, Class D Monoblock HFi Series Amplifier (HFi 1000D)

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1000W RMS, Class D Monoblock HFi Series Amplifier (HFi 1000D)

HFi Series Monoblock Class D Car Amplifier • 750W x 1-Chan. @ 2 Ohm • 1000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

HFi Series Monoblock Class D Car Amplifier • 750W x 1-Chan. @ 2 Ohm • 1000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

Autotek TA2050.1 (TA-2050.1)

2000W MAX Class D TA Series Monoblock Amplifier, 1 ohm stable

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2000W MAX Class D TA Series Monoblock Amplifier, 1 ohm stable

• 800 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
• 2000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Pro- Fi™ High Speed MOSFET power supply
• Variable high-pass filter: 30 - 250 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 45 Hz
• Dimensions: 11.4"W x 14.7"L x 4"H

• 800 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
• 2000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Pro- Fi™ High Speed MOSFET power supply
• Variable high-pass filter: 30 - 250 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 45 Hz
• Dimensions: 11.4"W x 14.7"L x 4"H

RE Audio DTX-2000.1

2000W Max (1000W RMS) DTX Monoblock Class D Car Amplifier

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2000W Max (1000W RMS) DTX Monoblock Class D Car Amplifier

• RMS: 430 x 1 @ 4 ohm, 700 x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• 1 Pair of Preamp Outputs
• Dimensions: 8-7/8"W x 12-3/16"D x 1-5/16"H

• RMS: 430 x 1 @ 4 ohm, 700 x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• 1 Pair of Preamp Outputs
• Dimensions: 8-7/8"W x 12-3/16"D x 1-5/16"H

Kenwood KAC-8152D

Class D Monoblock Amplifier with Bass Remote

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Class D Monoblock Amplifier with Bass Remote

Class-D Monoblock Amplifier • Bass Remote Included • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 550W RMS x 1 @ 2 • 1 Pair RCA Outputs • 0 -18/dB Bass Boost

Class-D Monoblock Amplifier • Bass Remote Included • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 550W RMS x 1 @ 2 • 1 Pair RCA Outputs • 0 -18/dB Bass Boost

SPL GLA1-3400D

3400W Max Monoblock Class D Gorilla Series Car Amplifier

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3400W Max Monoblock Class D Gorilla Series Car Amplifier

• RMS: 1000W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 3400W
• Class D Circuitry
• Bass Boost 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 9-1/10"W x 12"L x 2-3/10"H

• RMS: 1000W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 3400W
• Class D Circuitry
• Bass Boost 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 9-1/10"W x 12"L x 2-3/10"H

MB Quart ONX1.2000D

2000W ONYX Series Class D Monoblock Amplifier

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2000W ONYX Series Class D Monoblock Amplifier

• Peak: 650W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Wired Bass Remote Included
• Bass Boost: 0-10 dB
• 1 Pair of Preamp Outputs
• Dimensions: 14-7/8"L x 9"W x 2-1/2"H

• Peak: 650W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Wired Bass Remote Included
• Bass Boost: 0-10 dB
• 1 Pair of Preamp Outputs
• Dimensions: 14-7/8"L x 9"W x 2-1/2"H

Kicker Monoblock KX800.1 (40KX800.1)

800W RMS KX Series Class D Monoblock High Efficiency Subwoofer Amplifier

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800W RMS KX Series Class D Monoblock High Efficiency Subwoofer Amplifier

• RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm
• Total Peak Power: 1600W
• CEA-2006 Compliant
• Kick EQ+ Bass Boost: 0-18 dB from 20-80 Hz
• Magnetic Panel Covers Controls
• Dimensions: 8-5/16"W x 9-9/16"L x 2-1/8"H

• RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm
• Total Peak Power: 1600W
• CEA-2006 Compliant
• Kick EQ+ Bass Boost: 0-18 dB from 20-80 Hz
• Magnetic Panel Covers Controls
• Dimensions: 8-5/16"W x 9-9/16"L x 2-1/8"H

Hifonics BXi 608

600W RMS, Class A/B Monoblock Brutus BXi Series Amplifier (BXi608)

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600W RMS, Class A/B Monoblock Brutus BXi Series Amplifier (BXi608)

Brutus BXi Series Class AB Monoblock Car Amplifier • 150W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 600W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • DC, speaker short, thermal, and overload protection circuitry

Brutus BXi Series Class AB Monoblock Car Amplifier • 150W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 600W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • DC, speaker short, thermal, and overload protection circuitry

MB Quart DSC 1000.1

1000W RMS, Class A/B Monoblock Discus Series Amplifier (DSC1000.1)

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1000W RMS, Class A/B Monoblock Discus Series Amplifier (DSC1000.1)

Discus Series Class AB Monoblock Car Amplifier • 350W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • Unbalanced RCA inputs • Damping Factor: >180 • Subsonic Filter (15-35 Hz)

Discus Series Class AB Monoblock Car Amplifier • 350W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • Unbalanced RCA inputs • Damping Factor: >180 • Subsonic Filter (15-35 Hz)

Phoenix Gold R15.0:1

Octane-R 15.0:1 MonoBlock Class D Amplifier

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Octane-R 15.0:1 MonoBlock Class D Amplifier

1500 watts max, 1000 watts RMS (at 2 ohm) monoblock sub amplifier • neon blue illumination • silver connections • Aux output • Twin "T" Bass EQ circuitry •

1500 watts max, 1000 watts RMS (at 2 ohm) monoblock sub amplifier • neon blue illumination • silver connections • Aux output • Twin "T" Bass EQ circuitry •

Hifonics ZRX1816.1D Open Box Complete

1800 Watt Monoblock Zeus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Zeus 1800 Watt)

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1800 Watt Monoblock Zeus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Zeus 1800 Watt)

• Item Condition: Open Box Complete
• RMS Power: 500W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Variable Low Pass Filter
• Dimensions: 10" W x 15.7" L x 2.4" H

• Item Condition: Open Box Complete
• RMS Power: 500W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Variable Low Pass Filter
• Dimensions: 10" W x 15.7" L x 2.4" H

** CLOSEOUT!! ** MTX Audio TA2301 Thunder 2301

300W RMS, Class D Monoblock Amplifier Thunder2301

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300W RMS, Class D Monoblock Amplifier Thunder2301

Thunder TA Series Class D Monoblock Car Amplifier • 150W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 300W x 1 chan. Max @ 4 ohm • MOSFET power supply • Thermal and short LED indicators • Adaptive Class D Technology • Xtant Technologies Cooling

Thunder TA Series Class D Monoblock Car Amplifier • 150W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 300W x 1 chan. Max @ 4 ohm • MOSFET power supply • Thermal and short LED indicators • Adaptive Class D Technology • Xtant Technologies Cooling

Hifonics BXi 2010D (Factory Refurbished)

2000W RMS Brutus BXi Series Class D Monoblock Amplifier (BXi2010D)

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2000W RMS Brutus BXi Series Class D Monoblock Amplifier (BXi2010D)

2000W RMS, Brutus BXi Series Class D Monoblock Amplifier • 650W x 1 Chan. @ 4 Ohm • 1300W x 1 Chan. @ 2 Ohm • 2000W x 1 Chan. @ 1 Ohm • Super D-Class • Tuned Bass EQ • 1 Ohm Stable • Balanced Line Input

2000W RMS, Brutus BXi Series Class D Monoblock Amplifier • 650W x 1 Chan. @ 4 Ohm • 1300W x 1 Chan. @ 2 Ohm • 2000W x 1 Chan. @ 1 Ohm • Super D-Class • Tuned Bass EQ • 1 Ohm Stable • Balanced Line Input

Audiopipe APCL-18001D

1800W Consumer Line Series Monoblock Class D Amplifier

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1800W Consumer Line Series Monoblock Class D Amplifier

• Power: 750W x 1 @ 4 ohm, 1150W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Adjustable Low Pass Filter
• High Quality Aluminum Heat Sink
• Dimensions: 7" W x 17" L x 2.2" H

• Power: 750W x 1 @ 4 ohm, 1150W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Adjustable Low Pass Filter
• High Quality Aluminum Heat Sink
• Dimensions: 7" W x 17" L x 2.2" 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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