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Discontinued Monoblock Amplifiers

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Sound Storm (SSL) F3600D R/B

Refurbished 3600W Max, Class D Monoblock Power Amplifier with Bass Remote

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Refurbished 3600W Max, Class D Monoblock Power Amplifier with Bass Remote

SSL Series Monoblock Class D Car Amplifier • 1200 Watts x 1 Chan. @ 4 Ohm • 1800 Watts x 1 Chan. @ 2 Ohm • 3600 Watts x 1 Chan. @ 1 Ohm • MOSFET PWM Power Supply • Nickel-Plated RCA Level/Screw Terminals

SSL Series Monoblock Class D Car Amplifier • 1200 Watts x 1 Chan. @ 4 Ohm • 1800 Watts x 1 Chan. @ 2 Ohm • 3600 Watts x 1 Chan. @ 1 Ohm • MOSFET PWM Power Supply • Nickel-Plated RCA Level/Screw Terminals

SoundStorm (SSL) EV4000D R/B

Refurbished 4000W Max Evolution Series Class D Monoblock Power Amplifier with Remote Level Control

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Refurbished 4000W Max Evolution Series Class D Monoblock Power Amplifier with Remote Level Control

Evolution Series Class D Car Amplifier • Single-Channel Monoblock • 4000W x 1 Chan. @ 1 Ohm • 3000W x 1 Chan. @ 2 Ohm • 1600W x 1 Chan. @ 4 Ohm • LED Protection Indicators • DataLink for Strapping Amps Together

Evolution Series Class D Car Amplifier • Single-Channel Monoblock • 4000W x 1 Chan. @ 1 Ohm • 3000W x 1 Chan. @ 2 Ohm • 1600W x 1 Chan. @ 4 Ohm • LED Protection Indicators • DataLink for Strapping Amps Together

Sound Storm (SSL) F2000M Open Box

2000W Max, Force Series Monoblock Amplifier with Remote Level Control

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2000W Max, Force Series Monoblock Amplifier with Remote Level Control

Force Series Monoblock Amplifier • 500 Watts x 1 Chan @ 4 Ohm • 2000 Watts Max • Chrome-Plated RCA Level Inputs And Screw Terminals • LED Power And Protect Indicators • Line and Speaker-Level Inputs

Force Series Monoblock Amplifier • 500 Watts x 1 Chan @ 4 Ohm • 2000 Watts Max • Chrome-Plated RCA Level Inputs And Screw Terminals • LED Power And Protect Indicators • Line and Speaker-Level Inputs

Phoenix Gold Xenon X1200.1 R/B

(Factory Refurbished) 1200W RMS (at 1/2/4 ohms), Class D MonoBlock Amplifier

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(Factory Refurbished) 1200W RMS (at 1/2/4 ohms), Class D MonoBlock Amplifier

1200 watt amplifier • 1200W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

1200 watt amplifier • 1200W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

Hifonics Brutus BRX1200.1D-OPEN BOX

1200W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

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1200W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

• RMS Power: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo

• RMS Power: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo

Autotek AXL2550.1 (Factory Refurbished)

2500W Max Monoblock AXL Series Class AB Car Amplifier

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2500W Max Monoblock AXL Series Class AB Car Amplifier

• Peak: 625W x 1 @ 4 ohm, 1250W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 2500W
• 1 Pair of Preamp Outputs
• Bass Boost: 0-12 dB at 50 Hz
• Low Pass Filter: 40-150 Hz
• Dimensions: 9-1/16"W x 17-15/16"D x 2-5/16"H

• Peak: 625W x 1 @ 4 ohm, 1250W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 2500W
• 1 Pair of Preamp Outputs
• Bass Boost: 0-12 dB at 50 Hz
• Low Pass Filter: 40-150 Hz
• Dimensions: 9-1/16"W x 17-15/16"D x 2-5/16"H

Infinity Reference 1600a Open Box

(Open Box) Max, Reference Series Class D Monoblock Amplifier (REF1600A)

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(Open Box) Max, Reference Series Class D Monoblock Amplifier (REF1600A)

Reference Series Class D Monoblock Amplifier • 400W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • MOSFET power supply • Gold-plated preamp RCA outputs • Wired remote bass level control included

Reference Series Class D Monoblock Amplifier • 400W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • MOSFET power supply • Gold-plated preamp RCA outputs • Wired remote bass level control included

NVX MVPA1 OPEN BOX COMPLETE

Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)

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Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)

Used, previously installed, has been scratched
• Incredibly Tiny! The size of a postcard!
• RMS: 200 x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Switchable Bass Boost: (0dB/+6dB/+12dB)
• Extremely Small Footprint
• Dimensions: 4"W x 5-7/16"L x 1-9/16"H

Used, previously installed, has been scratched
• Incredibly Tiny! The size of a postcard!
• RMS: 200 x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Switchable Bass Boost: (0dB/+6dB/+12dB)
• Extremely Small Footprint
• Dimensions: 4"W x 5-7/16"L x 1-9/16"H

Image Dynamics Q1200.1 Damaged Packaging Only (New)

1200W RMS High Fidelity Q Series Monoblock Car Amplifier

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1200W RMS High Fidelity Q Series Monoblock Car Amplifier

• RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Preamp RCA Outputs
• Dimensions: 20"L x 8-1/2"W x 2-1/4"H

• RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Preamp RCA Outputs
• Dimensions: 20"L x 8-1/2"W x 2-1/4"H

Hifonics BXi1608D R/B

Refurbished 1600W RMS Brutus Series Class D Monoblock Amplifier

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Refurbished 1600W RMS Brutus Series Class D Monoblock Amplifier

Brutus BXi Series Class D Monoblock Car Amplifier • 50W x 1 chan. @ 4 ohm • 1100W x 1 chan. @ 2 ohm • 1600W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • Preamp RCA outputs

Brutus BXi Series Class D Monoblock Car Amplifier • 50W x 1 chan. @ 4 ohm • 1100W x 1 chan. @ 2 ohm • 1600W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • Preamp RCA outputs

MTX WET5001 (Open Box, Complete)

500W Wet Series Mono Block Class D All-Weather Powersports/Marine Amplifier

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500W Wet Series Mono Block Class D All-Weather Powersports/Marine Amplifier

• RMS Power: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 500W
• Plastic Cover Over Control-Adjustments
• Dimensions: 8.90"W x 6.40"L x 2.25"H

• RMS Power: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 500W
• Plastic Cover Over Control-Adjustments
• Dimensions: 8.90"W x 6.40"L x 2.25"H

NVX MVPA1 OPEN BOX COMPLETE

Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)

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Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)

Opened and Used
• Incredibly Tiny! The size of a postcard!
• RMS: 200 x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Switchable Bass Boost: (0dB/+6dB/+12dB)
• Extremely Small Footprint
• Dimensions: 4"W x 5-7/16"L x 1-9/16"H

Opened and Used
• Incredibly Tiny! The size of a postcard!
• RMS: 200 x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Switchable Bass Boost: (0dB/+6dB/+12dB)
• Extremely Small Footprint
• Dimensions: 4"W x 5-7/16"L x 1-9/16"H

Phoenix Gold R8.0:1 R/B

(Factory Refurbished) 800W Max, Class D Monoblock Octane-R 8.0:1 Amplifier

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(Factory Refurbished) 800W Max, Class D Monoblock Octane-R 8.0:1 Amplifier

800 watts max, 600 watts RMS (at 2 ohm) monoblock sub amplifier • neon blue illumination • silver connections • Aux output • Twin "T" Bass EQ circuitry •

800 watts max, 600 watts RMS (at 2 ohm) monoblock sub amplifier • neon blue illumination • silver connections • Aux output • Twin "T" Bass EQ circuitry •

Hifonics Brutus BXi 1210D (Factory Refurbished)

1200W RMS Brutus BXi Series Class D Monoblock Amplifier (BXi1210D)

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1200W RMS Brutus BXi Series Class D Monoblock Amplifier (BXi1210D)

1200W RMS, Brutus BXi Series Class D Monoblock Amplifier • 450W x 1 Chan. @ 4 Ohm • 900W x 1 Chan. @ 2 Ohm • 1200W x 1 Chan. @ 1 Ohm • Super D-Class • Tuned Bass EQ • 1 Ohm Stable • Balanced Line Input

1200W RMS, Brutus BXi Series Class D Monoblock Amplifier • 450W x 1 Chan. @ 4 Ohm • 900W x 1 Chan. @ 2 Ohm • 1200W x 1 Chan. @ 1 Ohm • Super D-Class • Tuned Bass EQ • 1 Ohm Stable • Balanced Line Input

Kicker DXA1000.1 Open Box Complete

1000W D-Series Monoblock Class D Car Amplifier

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1000W D-Series Monoblock Class D Car Amplifier

• Open Box Complete
• RMS Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 12-1/16" W x 7-3/16" D x 2-3/8" H

• Open Box Complete
• RMS Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 12-1/16" W x 7-3/16" D x 2-3/8" H

Power Acoustik D1-4000D

4000W Monoblock Class D Demon Series Car Amplifier

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4000W Monoblock Class D Demon Series Car Amplifier

Demon Series Monoblock Class D Car Amplifier • 1200W RMS x 1 Chan. @ 4 Ohm • 1700W RMS x 1 Chan. @ 2 Ohm • 2200W RMS x 1 Chan. @ 1 Ohm • Wired Remote Included • Variable Bass Boost • Variable Subsonic Filter

Demon Series Monoblock Class D Car Amplifier • 1200W RMS x 1 Chan. @ 4 Ohm • 1700W RMS x 1 Chan. @ 2 Ohm • 2200W RMS x 1 Chan. @ 1 Ohm • Wired Remote Included • Variable Bass Boost • Variable Subsonic Filter

Rockford Fosgate Punch P6001 R/B

P6001bd MonoBlock Punch Series Class BD Amplifier

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P6001bd MonoBlock Punch Series Class BD Amplifier

600 Watt RMS Class BD Amplifier • 600W x 1 @ 2 Ohm • MOSFET power supplies and output stages • MEHSA transfers heat efficiently from the MOSFET devices to the heat sink for high performance • TOPAZ eliminates ground loop noise • variable Punch Bass boost (0-18 dB at 45 Hz) with remote

600 Watt RMS Class BD Amplifier • 600W x 1 @ 2 Ohm • MOSFET power supplies and output stages • MEHSA transfers heat efficiently from the MOSFET devices to the heat sink for high performance • TOPAZ eliminates ground loop noise • variable Punch Bass boost (0-18 dB at 45 Hz) with remote

Eclipse XA1200 R/B

600W Max, XA Series Class D Monoblock Car Amplifier (XA-1200)

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600W Max, XA Series Class D Monoblock Car Amplifier (XA-1200)

XA Series Class D Monoblock Car Amplifier • 350 Watts x 1 Chan. @ 4 Ohm • 500 Watts x 1 Chan. @ 2 Ohm • 600 Watts • Variable Low-Pass Filter • ICEpower Design • CEA-2006 Compliant • LED Power Indicators

XA Series Class D Monoblock Car Amplifier • 350 Watts x 1 Chan. @ 4 Ohm • 500 Watts x 1 Chan. @ 2 Ohm • 600 Watts • Variable Low-Pass Filter • ICEpower Design • CEA-2006 Compliant • LED Power Indicators

Phoenix Gold RSd 300.1 R/B

(Factory Refurbished) Radial Sd Series Class D Monoblock Amplifier, RSd300.1

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(Factory Refurbished) Radial Sd Series Class D Monoblock Amplifier, RSd300.1

300W RSd Class D Monoblock Amplifier • 180W x 1 chan. @ 4 Ohm • 310W x 1 chan. @ 2 Ohm • MOSFET power supply • protection circuitry • line level inputs • variable bass boost • S/N ratio: 84dB

300W RSd Class D Monoblock Amplifier • 180W x 1 chan. @ 4 Ohm • 310W x 1 chan. @ 2 Ohm • MOSFET power supply • protection circuitry • line level inputs • variable bass boost • S/N ratio: 84dB

Planet Audio AC1500.1M OPEN BOX COMPLETE

1500W Max Anarchy Series Monoblock Power Amplifier

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1500W Max Anarchy Series Monoblock Power Amplifier

• RMS: 1100W x 1 @ 4 ohm
• Peak: 1500W x 1 @ 2 ohm
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 10"L x 10"W x 2-3/16"H

• RMS: 1100W x 1 @ 4 ohm
• Peak: 1500W x 1 @ 2 ohm
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 10"L x 10"W x 2-3/16"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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