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Discontinued Monoblock Amplifiers

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Belva BB5000D-open box complete

3000W RMS Class D Monoblock BB Series Car Amplifier

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3000W RMS Class D Monoblock BB Series Car Amplifier

• RMS: 1200W x 1 @ 4 ohm, 1800W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total Peak Power: 5000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 20-3/8"W x 8-1/4"D x 2-1/4"H

• RMS: 1200W x 1 @ 4 ohm, 1800W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total Peak Power: 5000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 20-3/8"W x 8-1/4"D x 2-1/4"H

Boss NXD4500-OPEN BOX

4500W Max Onyx Series Class D Monoblock Power Amplifier

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4500W Max Onyx Series Class D Monoblock Power Amplifier

• RMS: 2100W x 1 @ 4 ohm
• Peak: 3500W x 1 @ 2 ohm, 4500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 15-1/4" L x 10" W x 2-3/16" H

• RMS: 2100W x 1 @ 4 ohm
• Peak: 3500W x 1 @ 2 ohm, 4500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 15-1/4" L x 10" W x 2-3/16" H

Hifonics Atlas (Factory Refurbished)

3000W RMS 1-Channel Monoblock Mt. Olympus Series Class D Amplifier

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3000W RMS 1-Channel Monoblock Mt. Olympus Series Class D Amplifier

• RMS: 1200W x 1 @ 4 ohm, 2100W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total RMS Power: 3000W
• Class D Circuitry
• Bass Boost: 0-10 dB
• 1 Pair of Preamp Outputs
• Dimensions: 9"W x 21-3/4"L x 2-3/4"H

• RMS: 1200W x 1 @ 4 ohm, 2100W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total RMS Power: 3000W
• Class D Circuitry
• Bass Boost: 0-10 dB
• 1 Pair of Preamp Outputs
• Dimensions: 9"W x 21-3/4"L x 2-3/4"H

MTX RFL300D R/B

Refurbished 600W Max, RFL Series Class D Monoblock Amplifier

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Refurbished 600W Max, RFL Series Class D Monoblock Amplifier

RFL Series Monoblock Class D Car Amplifier • 600W Max • 300W x 1 Chan. @ 2 Ohm • Dual Speaker Terminals • Variable Low-Pass Filter • Subsonic Filter • CEA-2006 Compliant • Bass Boost

RFL Series Monoblock Class D Car Amplifier • 600W Max • 300W x 1 Chan. @ 2 Ohm • Dual Speaker Terminals • Variable Low-Pass Filter • Subsonic Filter • CEA-2006 Compliant • Bass Boost

Hifonics BRX1000.1D-RB (Factory Refurbished)

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

Kenwood KAC-8104D Open Box

1000W Max, Class D Monoblock Amplifier

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1000W Max, Class D Monoblock Amplifier

Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. Max • Speaker-level inputs • Preamp RCA outputs

Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. Max • Speaker-level inputs • Preamp RCA outputs

Hifonics X1100.1D Open Box

1100W BRUTUS X-14 Series Class-D Monoblock 1-Channel Amplifier w/ 2-year Warranty

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1100W BRUTUS X-14 Series Class-D Monoblock 1-Channel Amplifier w/ 2-year Warranty

• RMS Power: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
• Total Peak Power: 1100W
• CEA-2006 Compliant
• Class D Monoblock

• RMS Power: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
• Total Peak Power: 1100W
• CEA-2006 Compliant
• Class D Monoblock

Soundstream SMA1-700D R/B

700W Max, Michel-Angelo Series Class D Monoblock Amplifier

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700W Max, Michel-Angelo Series Class D Monoblock Amplifier

Soundstream Michelangelo Series Amplifier • 475W x 1-Chan. @ 4 Ohm • 700W x 1-Chan. @ 2 Ohm • MOSFET Power Supply • Twin Stack Technology • Bass Remote Control Included • Tri-Guard Amp Protection

Soundstream Michelangelo Series Amplifier • 475W x 1-Chan. @ 4 Ohm • 700W x 1-Chan. @ 2 Ohm • MOSFET Power Supply • Twin Stack Technology • Bass Remote Control Included • Tri-Guard Amp Protection

Crunch PZX3500.1 OPEN BOX COMPLETE

3500W Monoblock Powerzone Series Class AB Car Amplifier

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3500W Monoblock Powerzone Series Class AB Car Amplifier

• RMS Power: 875W x 1 @ 4 ohm, 1750W x 1 @ 2 ohm, 3500W x 1 @ 1 ohm
• Total Peak Power: 3500W
• Rugged MOSFET Pulse Width Modulation Power Supply
• Includes Wired Bass Boost Remote Control

• RMS Power: 875W x 1 @ 4 ohm, 1750W x 1 @ 2 ohm, 3500W x 1 @ 1 ohm
• Total Peak Power: 3500W
• Rugged MOSFET Pulse Width Modulation Power Supply
• Includes Wired Bass Boost Remote Control

Precision Power DCX 1500.1

1500W RMS, Class D MonoBlock Amplifier Factory R/B

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1500W RMS, Class D MonoBlock Amplifier Factory R/B

Class-D Monoblock Amplifier • 1000W RMS x 1 @ 2 • 1500W RMS x 1 @ 1 • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Class-D Monoblock Amplifier • 1000W RMS x 1 @ 2 • 1500W RMS x 1 @ 1 • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Hifonics ZRX1800.1D (Factory Refurbished)

1800W Max Monoblock Class D Zeus Series Car Amplifier

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1800W Max Monoblock Class D Zeus Series Car Amplifier

• Peak: 500W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 14-13/16"L x 10"W x 2-1/3"H

• Peak: 500W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 14-13/16"L x 10"W x 2-1/3"H

Audiobahn A12001DT R/B

2400W Max, Class D Monoblock Amplifier (Factory Refurbished)

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2400W Max, Class D Monoblock Amplifier (Factory Refurbished)

Class D Monoblock Amplifier • 2400W Max • 1200W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

Class D Monoblock Amplifier • 2400W Max • 1200W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

SoundStorm (SSL) EV4000D OPEN BOX INCOMPLETE

4000W Max, Evolution Series Class D Monoblock Power Amplifier

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4000W Max, Evolution Series Class D Monoblock Power Amplifier

Missing manual, used and previously installed
• RMS: 1600W x 1 @ 4 ohm
• Peak: 3000W x 1 @ 2 ohm, 4000W x 1 @ 1 ohm
• Wired Bass Level Remote
• Bass Boost: 0-18 dB
• DataLink Cable for Connecting Two Evolution Amps
• Dimensions: 10"D x 15"W x 2-3/8"H

Missing manual, used and previously installed
• RMS: 1600W x 1 @ 4 ohm
• Peak: 3000W x 1 @ 2 ohm, 4000W x 1 @ 1 ohm
• Wired Bass Level Remote
• Bass Boost: 0-18 dB
• DataLink Cable for Connecting Two Evolution Amps
• Dimensions: 10"D x 15"W x 2-3/8"H

Audiobahn A18001DT R/B

3600W Max, Class D MonoBlock Amplifier (Factory Refurbished)

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3600W Max, Class D MonoBlock Amplifier (Factory Refurbished)

3600W Max, Class D Monoblock Amplifier • 3600W Max • 1800W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

3600W Max, Class D Monoblock Amplifier • 3600W Max • 1800W RMS @ 1 ohm • Blue Digital Volt Meter Display • Dual Cooling Fans • 4-way protection circuitry • Variable Low-Pass Crossover: 50-150Hz • Cobalt blue illumination (with on/off selector)

Soundstream DTR1.2200D R/B

2200W RMS, Class D Monoblock D-Tower Series Amplifier

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2200W RMS, Class D Monoblock D-Tower Series Amplifier

Tower Series Monoblock Class D Car Amplifier • 1400W x 1 chan. @ 2 ohm • 2200W RMS • Vertical stereo amplifier • MOSFET power supply • Aluminum alloy heat sink • LED power and protection indicators

Tower Series Monoblock Class D Car Amplifier • 1400W x 1 chan. @ 2 ohm • 2200W RMS • Vertical stereo amplifier • MOSFET power supply • Aluminum alloy heat sink • LED power and protection indicators

Rockford Fosgate Punch P500-1BD Open Box

(Open Box) 500W, Class-BD Monoblock Amplifier

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(Open Box) 500W, Class-BD Monoblock Amplifier

Punch Series Monoblock Class BD Car Amplifier • 200W x 1 Chan. @ 4 Ohm • 400 x 1 Chan. @ 2 Ohm • 500 Watts x 1 Chan. • MOSFET Power Supply • RCA Pass-Thru Outputs • Custom Designed TO-247 MOSFETs • Built-In NOMAD Computer

Punch Series Monoblock Class BD Car Amplifier • 200W x 1 Chan. @ 4 Ohm • 400 x 1 Chan. @ 2 Ohm • 500 Watts x 1 Chan. • MOSFET Power Supply • RCA Pass-Thru Outputs • Custom Designed TO-247 MOSFETs • Built-In NOMAD Computer

MTX Audio TA7801 Thunder 7801 R/B**MISSING BASS REMOTE**

REFURBISHED, MISSING BASS REMOTE Class D Monoblock Super Amplifier Thunder7801

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REFURBISHED, MISSING BASS REMOTE Class D Monoblock Super Amplifier Thunder7801

Thunder Super Amplifier • 800W RMS x 1 @ 2 • 1200W RMS x 1 @ 1 • Prizm EFX • Xtant Cooling Technology • Wired Remote • Built-In Capacitor Terminals

Thunder Super Amplifier • 800W RMS x 1 @ 2 • 1200W RMS x 1 @ 1 • Prizm EFX • Xtant Cooling Technology • Wired Remote • Built-In Capacitor Terminals

Focal FPX1.100 (OPEN BOX, LIKE NEW)

Monoblock Class D Premium Amplifier (1 x 420 W RMS @ 4 ohms)

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Monoblock Class D Premium Amplifier (1 x 420 W RMS @ 4 ohms)

• Monoblock Class D Amplifier
• 420W RMS x 1 at 4 ohm
• 700 W RMS x 1 at 2 ohm
• 1000W RMS x 1 at 1 ohm
• Very small size for power output
• Audio Mos-Fets – Optimized efficiency

• Monoblock Class D Amplifier
• 420W RMS x 1 at 4 ohm
• 700 W RMS x 1 at 2 ohm
• 1000W RMS x 1 at 1 ohm
• Very small size for power output
• Audio Mos-Fets – Optimized efficiency

Image Dynamics SQ1200.1D Damaged Packaging Only (New)

1200W RMS SQ Series Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob Included

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1200W RMS SQ Series Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob Included

• 400 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2400 Watts
• Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 8-1/2"W x 20"L x 2-1/4"H

• 400 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2400 Watts
• Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 8-1/2"W x 20"L x 2-1/4"H

Power Acoustik RZ1-3500D

3500W Peak (2100W RMS) Class D RAZOR Series Monoblock Car Amplifier (with Bass Remote)

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3500W Peak (2100W RMS) Class D RAZOR Series Monoblock Car Amplifier (with Bass Remote)

• 900 watts x 1 channel @ 4 ohm
• 1400 watts x 1 channel @ 2 ohm
• Total RMS Power: 2100 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 900 watts x 1 channel @ 4 ohm
• 1400 watts x 1 channel @ 2 ohm
• Total RMS Power: 2100 watts
• Class D 2 ohm Stable Monoblock Amplifier

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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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