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Discontinued Monoblock Amplifiers

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MTX RFL1200D R/B

Refurbished 2400W Max RFL Series Class D Monoblock Amplifier

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Refurbished 2400W Max RFL Series Class D Monoblock Amplifier

RFL Series Monoblock Class D Car Amplifier • 400W x 1 Chan @ 4 Ohm • 800W x 1 Chan @ 2 Ohm • 2400W Max • Electronic Bass Control • Gun Metal Gray Chassis • Black End Caps • Stackable Design • Smart Engage Technology

RFL Series Monoblock Class D Car Amplifier • 400W x 1 Chan @ 4 Ohm • 800W x 1 Chan @ 2 Ohm • 2400W Max • Electronic Bass Control • Gun Metal Gray Chassis • Black End Caps • Stackable Design • Smart Engage Technology

Alpine PDX-M12 R/B

Refurbished 1200W RMS, PDX Series Monoblock Power Density Digital Amplifier

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Refurbished 1200W RMS, PDX Series Monoblock Power Density Digital Amplifier

PDX Series 1-Channel Car Amplifier • Class D • 1200 Watts RMS • 1200 Watts x 1 Chan. RMS • Variable Low-Pass Filter • Blue LED Power/Status Indicator • RCA Pre-out Jacks • Compact Size

PDX Series 1-Channel Car Amplifier • Class D • 1200 Watts RMS • 1200 Watts x 1 Chan. RMS • Variable Low-Pass Filter • Blue LED Power/Status Indicator • RCA Pre-out Jacks • Compact Size

Alpine MRP-M350 R/B

FACTORY REFURBISHED (DISPLAY UNIT)

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FACTORY REFURBISHED (DISPLAY UNIT)

MonoBlock Subwoofer Amplifier • 350 watts RMS x 1 @ 2 ohm • MOSFET power supply

MonoBlock Subwoofer Amplifier • 350 watts RMS x 1 @ 2 ohm • MOSFET power supply

Power Acoustik GT1-6000D OPEN BOX COMPLETE

6000W Max, Monoblock Class D Gothic Series Car Amplifier

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6000W Max, Monoblock Class D Gothic Series Car Amplifier

Installed and Used
• RMS: 2300W x 1 @ 4 ohm, 3000W x 1 @ 2 ohm, 3700W x 1 @ 1 ohm
• Total Peak Power: 6000W
• Class D Circuitry
• Bass Boost: 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 17-1/2"L x 9-3/4"W x 2-3/10"H

Installed and Used
• RMS: 2300W x 1 @ 4 ohm, 3000W x 1 @ 2 ohm, 3700W x 1 @ 1 ohm
• Total Peak Power: 6000W
• Class D Circuitry
• Bass Boost: 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 17-1/2"L x 9-3/4"W x 2-3/10"H

Planet Audio AC3000.1D-OPEN BOX

3000W Max Anarchy Series Class D Monoblock Power Amplifier

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3000W Max Anarchy Series Class D Monoblock Power Amplifier

• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Total Peak Power: 3000W
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 13"L x 10"W x 2-3/16"H

• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Total Peak Power: 3000W
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 13"L x 10"W x 2-3/16"H

Crunch GPA2000.1 (Factory Refurbished)

2000W Monoblock Ground Pounder Series Class A/B Amplifier

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2000W Monoblock Ground Pounder Series Class A/B Amplifier

• Peak Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 2000 x 1 @ 1 ohm
• Variable Bass Boost
• Total Peak Power: 2000W
• 9.05"W x 17.87"L x 2.29"H

• Peak Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 2000 x 1 @ 1 ohm
• Variable Bass Boost
• Total Peak Power: 2000W
• 9.05"W x 17.87"L x 2.29"H

JL Audio MX10IB3-SG-CLD-B (Open Box Complete)

10-inch (250 mm) 4 ohm Marine Subwoofer Driver

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10-inch (250 mm) 4 ohm Marine Subwoofer Driver

• 175W RMS
• Injection-Molded mica-filled polypropylene cone bodies
• Synthetic rubber surround specifically formulated with UV inhibitors
• Marine grade progressive roll synthetic fiber spider
• Gold-Plated marine-grade brass connection terminals
• Long linear excursion for enhanced output and reduced distortion

• 175W RMS
• Injection-Molded mica-filled polypropylene cone bodies
• Synthetic rubber surround specifically formulated with UV inhibitors
• Marine grade progressive roll synthetic fiber spider
• Gold-Plated marine-grade brass connection terminals
• Long linear excursion for enhanced output and reduced distortion

Kole Audio TRAX1-5500D (TRAX 1-5500D) R/B

5500W Max, TRAX Series Class D Digital Monoblock Amplifier

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5500W Max, TRAX Series Class D Digital Monoblock Amplifier

TRAX Series Class D Digital Monoblock Amplifier • 1700W x 1 chan. @ 1 ohm • 2500W x 1 chan. @ 2 ohm • • 3200W x 1 chan. @ 4 ohm • 5500W Max • PWM Power Supply • Midnight Blue Finish • Three-Way Protection •

TRAX Series Class D Digital Monoblock Amplifier • 1700W x 1 chan. @ 1 ohm • 2500W x 1 chan. @ 2 ohm • • 3200W x 1 chan. @ 4 ohm • 5500W Max • PWM Power Supply • Midnight Blue Finish • Three-Way Protection •

EXCLUSIVE

Hifonics Brutus BRX3016.1D 3000 Watt RMS Amplifier + FREE Premium Amp Kit

FREE NVX XKIT02 100% Copper Amp Installation Wire Kit Included!!!

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FREE NVX XKIT02 100% Copper Amp Installation Wire Kit Included!!!

• 1000 Watts RMS x 1 @ 4 ohm
• 2000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Wired remote bass level control included
• Mono channel operation, 1-Ohm Stable
• 3-way system protection circuitry (thermal, overload and speaker short protection)
• 1/0 Gauge 2-Channel Complete Amplifier Installation Kit

• 1000 Watts RMS x 1 @ 4 ohm
• 2000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Wired remote bass level control included
• Mono channel operation, 1-Ohm Stable
• 3-way system protection circuitry (thermal, overload and speaker short protection)
• 1/0 Gauge 2-Channel Complete Amplifier Installation Kit

MTX Thunder Elite 601D (TE601D) Open Box

(Open Box) 1200W Max, Class D Monoblock Thunder Elite Amplifier

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(Open Box) 1200W Max, Class D Monoblock Thunder Elite Amplifier

Thunder Elite Series 1-Channel Class D Car Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1200W Max • Semi Unregulated MOSFET • Fan-cooled system • Overload and thermal protection

Thunder Elite Series 1-Channel Class D Car Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1200W Max • Semi Unregulated MOSFET • Fan-cooled system • Overload and thermal protection

Planet Audio AC5000.1D

5000W Max Anarchy Series Class D Monoblock Power Amplifier

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5000W Max Anarchy Series Class D Monoblock Power Amplifier

• RMS: 1800W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 3500W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 18"L x 10"W x 2-3/16"H

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• RMS: 1800W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 3500W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 18"L x 10"W x 2-3/16"H

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

EXCLUSIVE

NVX VCW122 + Kicker Amplifier Bundle

VCW122 1000W 12" VC-Series Subwoofer + KX1600.1 1600W RMS Monoblock Amp + TC6KIT-0B 1/0G OFC Wiring Kit + BBIC5 2-Channel RCA Cable

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VCW122 1000W 12" VC-Series Subwoofer + KX1600.1 1600W RMS Monoblock Amp + TC6KIT-0B 1/0G OFC Wiring Kit + BBIC5 2-Channel RCA Cable

• Power Range (RMS) 850-1000 Watts
• Woven Fiber Pressed Paper Cone
• RMS: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm
• CEA-2006 Compliant
• 1/0 Gauge Power Amplifier Installation Kit
• 2 Channel RCA Audio Interconnect Cable

• Power Range (RMS) 850-1000 Watts
• Woven Fiber Pressed Paper Cone
• RMS: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm
• CEA-2006 Compliant
• 1/0 Gauge Power Amplifier Installation Kit
• 2 Channel RCA Audio Interconnect Cable

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

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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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