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Rockford Fosgate R500X1D Open Box

500W RMS Monoblock Single Channel Class D Prime Series Amplifier

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500W RMS Monoblock Single Channel Class D Prime Series Amplifier

Prime Series Full Range Class D Monoblock Car Amplifier • 300W x 1 Chan. @ 4 ohm • 500W x 1 Chan. @ 2 ohm • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On

Prime Series Full Range Class D Monoblock Car Amplifier • 300W x 1 Chan. @ 4 ohm • 500W x 1 Chan. @ 2 ohm • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On

Hifonics Brutus BRX1100.1D Open Box Complete

1100W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

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1100W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

  • Item Condition: Open Box complete
  • • RMS: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
    • Total RMS Power: 1100W
    • CEA-2006 Compliant
    • Bass Boost: 0-10 dB at 40 Hz
    • Aluminum Alloy Heatsink with Illuminated Hifonics Logo
    • Dimensions: 14-3/8"L x 10-5/16"W x 2-1/2"H

  • Item Condition: Open Box complete
  • • RMS: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
    • Total RMS Power: 1100W
    • CEA-2006 Compliant
    • Bass Boost: 0-10 dB at 40 Hz
    • Aluminum Alloy Heatsink with Illuminated Hifonics Logo
    • Dimensions: 14-3/8"L x 10-5/16"W x 2-1/2"H

    AudioControl The Epicenter 600

    600W RMS Monoblock Epicenter Series Class D Amplifier w/ The Epicenter Bass Restoration Built-In

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    600W RMS Monoblock Epicenter Series Class D Amplifier w/ The Epicenter Bass Restoration Built-In

    • RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm, 600W x 1 @ 1 ohm
    • THE EPICENTER® Digital Bass Restoration Built-in
    •MILC™ Maximum Input Level Control
    • Line-Level RCA Inputs and Active Speaker-Level Inputs)
    • ACR-3 Remote Control Included
    • 7.95" W x 9.00" L x 2.10" H

    • RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm, 600W x 1 @ 1 ohm
    • THE EPICENTER® Digital Bass Restoration Built-in
    •MILC™ Maximum Input Level Control
    • Line-Level RCA Inputs and Active Speaker-Level Inputs)
    • ACR-3 Remote Control Included
    • 7.95" W x 9.00" L x 2.10" H

    Crunch P1500.1 Open Box

    1500W Max, PowerZone Series Monoblock Amplifier (P15001)

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    1500W Max, PowerZone Series Monoblock Amplifier (P15001)

    PowerZone Series Monoblock Car Amplifier • 375W x 1 chan. @ 4 ohm • 750W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • MOSFET output power supply • Tuned Bass EQ (0-12 dB bass boost at 45 Hz)

    PowerZone Series Monoblock Car Amplifier • 375W x 1 chan. @ 4 ohm • 750W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • MOSFET output power supply • Tuned Bass EQ (0-12 dB bass boost at 45 Hz)

    Rockford Fosgate PRIME R500-1 Factory Refurbished

    (Factory Refurbished) 500W Max, PRIME Series Monoblock Amplifier

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    (Factory Refurbished) 500W Max, PRIME Series Monoblock Amplifier

    PRIME Series Single-Channel Monoblock Class A/B Car Amplifier • 320W x 1 Chan. @ 4 Ohm • 500W x 1 Chan. @ 2 Ohm • Tuned Bass EQ • Variable Low-Pass Filter • Extruded Aluminum Heatsink

    PRIME Series Single-Channel Monoblock Class A/B Car Amplifier • 320W x 1 Chan. @ 4 Ohm • 500W x 1 Chan. @ 2 Ohm • Tuned Bass EQ • Variable Low-Pass Filter • Extruded Aluminum Heatsink

    Pioneer GM-D8601 OPEN BOX COMPLETE

    800W RMS Class D Monoblock GM Digital Series Amplifier

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    800W RMS Class D Monoblock GM Digital Series Amplifier

    Installed, Box Damaged

  • Item Condition: Open Box Complete
  • • RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

    Installed, Box Damaged

  • Item Condition: Open Box Complete
  • • RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

    Sound Storm (SSL) F3600D Open Box

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

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    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

    Kicker CXA400.1 (46CXA4001T) (Open Box, Good)

    400W RMS Class D CX-Series Monoblock Car Amplifier

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    400W RMS Class D CX-Series Monoblock Car Amplifier

    • 150 watts x 1 channel @ 4 ohm
    • 300 watts x 1 channel @ 2 ohm
    • 400 watts x 1 channel @ 1 ohm
    • Total RMS Power: 400 watts
    • Class D 1 ohm Stable Monoblock Amplifier

    • 150 watts x 1 channel @ 4 ohm
    • 300 watts x 1 channel @ 2 ohm
    • 400 watts x 1 channel @ 1 ohm
    • Total RMS Power: 400 watts
    • Class D 1 ohm Stable Monoblock Amplifier

    Pioneer GM-D8601 OPEN BOX COMPLETE

    800W RMS Class D Monoblock GM Digital Series Amplifier

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    800W RMS Class D Monoblock GM Digital Series Amplifier

    Item is used and has been installed
    • RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

    Item is used and has been installed
    • RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

    Cerwin-Vega HED31500.1D

    1500W Max Class D Monoblock HED3 Series Power Car Amplifier

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    1500W Max Class D Monoblock HED3 Series Power Car Amplifier

    • RMS: 550W x 1 @ 4 ohm, 2 ohm 950W x 1 @ 2 ohm
    • Total Peak Power: 1500W
    • Class D Circuitry
    • Bass Boost 0-12 dB at 45 Hz
    • Wired Bass Control Included
    • Dimensions: 9-1/8"W x 19-3/8"L x 2-1/8"H

    • RMS: 550W x 1 @ 4 ohm, 2 ohm 950W x 1 @ 2 ohm
    • Total Peak Power: 1500W
    • Class D Circuitry
    • Bass Boost 0-12 dB at 45 Hz
    • Wired Bass Control Included
    • Dimensions: 9-1/8"W x 19-3/8"L x 2-1/8"H

    Precision Power PPI D2000/1 R/B

    FACTORY REFURBISHED

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    FACTORY REFURBISHED

    2000W Class D MonoBlock Amplifier • 600W x 1 chan. @ 2 Ohm • 1000W x 1 chan. @ 1 Ohm • Q-BASS • PWM design • 1 Ohm stable

    2000W Class D MonoBlock Amplifier • 600W x 1 chan. @ 2 Ohm • 1000W x 1 chan. @ 1 Ohm • Q-BASS • PWM design • 1 Ohm stable

    Hifonics HFi1500D LIKE NEW DAMAGED PACKAGING

    1500W RMS Class D Monoblock HFi Series Amplifier (HFi 1500D)

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    1500W RMS Class D Monoblock HFi Series Amplifier (HFi 1500D)

    Like new Damaged Package
    • 4 ohm: 500 watts x 1 chan.
    • 2 ohm: 1000 watts x 1 chan.
    • 1 ohm: 1500 watts x 1 chan.
    • Wired remote bass level control included
    • Preamp RCA outputs to daisy chain multiple amps
    • 3-way protection circuitry (thermal, overload, and speaker short protection)
    • Dual speaker terminals simplify the hookup of multiple speakers
    • Signal to Noise Ration: >95 dB

    Like new Damaged Package
    • 4 ohm: 500 watts x 1 chan.
    • 2 ohm: 1000 watts x 1 chan.
    • 1 ohm: 1500 watts x 1 chan.
    • Wired remote bass level control included
    • Preamp RCA outputs to daisy chain multiple amps
    • 3-way protection circuitry (thermal, overload, and speaker short protection)
    • Dual speaker terminals simplify the hookup of multiple speakers
    • Signal to Noise Ration: >95 dB

    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

    • Item Condition: Open Box Complete
    • 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

    • Item Condition: Open Box Complete
    • 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

    Alpine MRP-M2000 R/B Core Only

    2000W RMS, Class D Monoblock Amplifier

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    2000W RMS, Class D Monoblock Amplifier

    V Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 4000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

    V Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 4000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

    Kenwood KAC-9104D Open Box

    (Open Box with Full 1-year Warranty) 1800W Max, Class D Monoblock Amplifier

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    (Open Box with Full 1-year Warranty) 1800W Max, Class D Monoblock Amplifier

    Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • >900W x 1 chan. @ 1 ohm • 1800W x 1 chan. Max • Stackable operation capable • Speaker-level inputs • Preamp RCA outputs • Built-in cooling fan

    Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • >900W x 1 chan. @ 1 ohm • 1800W x 1 chan. Max • Stackable operation capable • Speaker-level inputs • Preamp RCA outputs • Built-in cooling fan

    NVX XAD15 (Open Box, Good)

    5000W RMS X-Series Full-Bridge Class D 1-Ohm Stable Monoblock Amplifier

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    5000W RMS X-Series Full-Bridge Class D 1-Ohm Stable Monoblock Amplifier

    • 1850 watts x 1 channel @ 4 ohm
    • 3300 watts x 1 channel @ 2 ohm
    • 5000 watts x 1 channel @ 1 ohm
    • Total RMS Power: 5000 watts
    • Frequency Response: 10 - 300 Hz
    • CEA-2006 Compliant Amplifier

    • 1850 watts x 1 channel @ 4 ohm
    • 3300 watts x 1 channel @ 2 ohm
    • 5000 watts x 1 channel @ 1 ohm
    • Total RMS Power: 5000 watts
    • Frequency Response: 10 - 300 Hz
    • CEA-2006 Compliant Amplifier

    Hifonics Brutus Elite BE1200.1D

    1200W Monoblock Brutus Elite Series Super Class D Amplifier

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    1200W Monoblock Brutus Elite Series Super Class D Amplifier

    • RMS Power: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • Variable Low Pass Filter
    • Dimensions: 9.65" W x 13.78" L x 2.48" H

    • RMS Power: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • Variable Low Pass Filter
    • Dimensions: 9.65" W x 13.78" L x 2.48" H

    JBL GTX500 Amplifier w/Belva 1.0 Farad Capacitor + Belva 2000 Watt Handling Amp Kit

    500W RMS GTX Series Class-D Monoblock Amplifier w/ 1.0 Farad Capacitor & 4 AWG Amp Kit

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    500W RMS GTX Series Class-D Monoblock Amplifier w/ 1.0 Farad Capacitor & 4 AWG Amp Kit

    • JBL GTX500 500W RMS Class-D Monoblock Amplifier
    • Belva BAK42 Complete 4 Gauge 2-Channel Amplifier Installation Kit
    • Belva BB1D 1.0 Farad Capacitor
    • RMS: 350W x 1 @ 4 ohm
    • Premium Power and Ground Wire Provides Optimal Power Transfer

    • JBL GTX500 500W RMS Class-D Monoblock Amplifier
    • Belva BAK42 Complete 4 Gauge 2-Channel Amplifier Installation Kit
    • Belva BB1D 1.0 Farad Capacitor
    • RMS: 350W x 1 @ 4 ohm
    • Premium Power and Ground Wire Provides Optimal Power Transfer

    Boss AR4000D Amplifier w/Belva 1.0 Farad Capacitor + Belva 2000 Watt Max Handling Amp Kit

    1600W RMS Monoblock ARMOR Series Class D Car Amplifier w/ 1.0 Farad Capacitor & 4 AWG Amp Kit

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    1600W RMS Monoblock ARMOR Series Class D Car Amplifier w/ 1.0 Farad Capacitor & 4 AWG Amp Kit

    • Boss AR4000D Monoblock Armor Series Class D Car Amplifier
    • Belva BAK42Complete 4 Gauge 2-Channel Amplifier Installation Kit
    • Belva BB1D 1.0 Farad Capacitor
    • RMS: 1600W x 1 @ 4 ohm
    • Premium Power and Ground Wire Provides Optimal Power Transfer

    • Boss AR4000D Monoblock Armor Series Class D Car Amplifier
    • Belva BAK42Complete 4 Gauge 2-Channel Amplifier Installation Kit
    • Belva BB1D 1.0 Farad Capacitor
    • RMS: 1600W x 1 @ 4 ohm
    • Premium Power and Ground Wire Provides Optimal Power Transfer

    Rockford Fosgate Power T2500-1BD (T25001bd) Factory Refurbished

    (Factory Refurbished) 2500W RMS, Power Series Class b-D Monoblock Car Amplifier

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    (Factory Refurbished) 2500W RMS, Power Series Class b-D Monoblock Car Amplifier

    2500W RMS, Power Series Class b-D Monoblock Car Amplifier • Tuned Bass EQ • Differential Inputs • Cast Aluminum Heatsink • 1000W x 1 Chan. @ 4 Ohm • 1800W x 1 Chan. @ 2 Ohm • 2500W x 1 Chan. @ 1 Ohm • Audiophile Grade

    2500W RMS, Power Series Class b-D Monoblock Car Amplifier • Tuned Bass EQ • Differential Inputs • Cast Aluminum Heatsink • 1000W x 1 Chan. @ 4 Ohm • 1800W x 1 Chan. @ 2 Ohm • 2500W x 1 Chan. @ 1 Ohm • Audiophile Grade

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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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