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Liquidation Station: Open Box & Refurbished Items

Monoblock Amplifiers Closeout

Mount Olympus 2500W RMS Dual Monoblock Class AB Amplifier

  • Item Condition: OPEN BOX
  • • RMS Power: 1200W x 1 @ 4 ohms, 1900W x 1 @ 2 ohms, 2500W x 1 @ 1 ohm
    • Total Peak Power: 5000W
    • Dimensions: 8.97" W x 38.64" L x 2.76" H

    $439.99

    IN STOCK

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    Refurbished 5500W Max, Onyx Series Class D Monoblock Power Amplifier

    Onyx Series 1-Channel Class D Car Amplifier • 2300 Watts RMS x 1 Chan. @ 4 Ohm • 5500 Watts Max x 1 Chan. @ 1 Ohm • Adjustable 0-12 dB Bass Boost • 1 Pair of Preamp RCA Outputs • Strapping Capability

    $129.99

    IN STOCK

    1200W RMS, Class D Mono Block CX Series Car Amplifier

  • Item Condition: Open Box complete
  • • RMS: 600W x 1 @ 4 ohms, 1200W x 1 @ 2 ohms
    • Total Peak Power: 2400W
    • CEA-2006 Compliant
    • Bass Boost 0-12 dB at 40 Hz
    • Vertical Mounting Option
    • Dimensions: 7-3/16"W x 12-1/16"D x 2-3/8"H

    $299.95

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    2500W Max Monoblock AXL Series Class AB Car Amplifier

  • Item Condition: Open Box Complete
  • • Peak: 625W x 1 @ 4 ohms, 1250W x 1 @ 2 ohms, 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

    $79.99

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    1200W RMS, PDX Series Monoblock Power Density Digital Amplifier

    • RMS: 1200W x 1 @ 4 ohms, 1200W x 1 @ 2 ohms
    • Total RMS Power: 1200W
    • CEA-2006 Compliant
    • 6-Layer Glass Epoxy PC Board and Compact Size
    • Thermal Protection Circuitry
    • Dimensions: 7-9/16"D x 10-1/8"W x 2"H

    $749.95

    IN STOCK

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    500W RMS Class D 1-Channel Monoblock Performance Series Car Power Amplifier

  • Item Condition: Open Box Complete
  • • RMS: 300 x 1 @ 4 ohms, 500W x 1 @ 2 ohms
    • Total RMS Power: 500W
    • CEA-2006 Compliant
    • Bass Boost: 0 - 18 dB at 40 Hz
    • Class D Circuitry
    • Dimensions: 9-7/16"W x 7-9/16"L x 2-3/16"H

    $109.99

    IN STOCK

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    1200W RMS, PDX Series Monoblock Power Density Class D Digital Car Amplifier

  • Item Condition: Repaired Incomplete
  • • RMS: 1200W x 1 @ 4 ohms, 1200W x 1 @ 2 ohms
    • Total RMS Power: 1200W
    • CEA-2006 Compliant
    • 6-Layer Glass Epoxy PC Board and Compact Size
    • Thermal Protection Circuitry
    • Dimensions: 7-9/16"D x 10-1/8"W x 2"H

    $699.95

    IN STOCK

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    1500W Class D 1-Channel Monoblock Reference Series Amplifier

  • Item Condition: Open box complete
  • • Peak: 500W x 1 @ 4 ohms, 1000W x 1 @ 2 ohms, 1500W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • Built-In System Diagnostics
    • Variable Bass EQ: 0 to +10 dB at 45 Hz
    • Class D Circuitry
    • Dimensions: 8-5/16"W x 15-3/4"D x 2-3/8"H

    $134.99

    IN STOCK

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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 ohms, 500W x 1 @ 2 ohms, 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

    $144.95

    IN STOCK

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    1200W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier (BRZ 1200.1D)

  • Item Condition: Open Box Complete
  • • 1200W x 1-Chan. @ 1 Ohm
    • 900W x 1-Chan. @ 2 Ohm
    • 450W x 1-Chan. @ 4 Ohm
    • Wired HFR-3 Remote
    • 4-Way System Protection
    • Phase Shift
    • Silver-Plated RCA Inputs

    $169.99

    IN STOCK

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    Tested at 750W RMS on our Amp Dyno! (Rated 500W RMS by JBL), 1-Channel Monoblock Class D Car Amplifier with Digital Input Mixer and Graphical Status Display

  • Item Condition: Open Box Incomplete
  • • RMS: 500 x 1 @ 4 ohms, 500W x 1 @ 2 ohms
    • Total RMS Power: 500W
    • CEA-2006 Compliant
    • DSP (Digital Signal Processing)
    • Sophisticated Crossover Functions and Selectable Crossover Slopes
    • Dimensions: 8-13/16"L x 7-1/4"W x 2-13/16"H

    $169.99

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    1600W RMS, Rubicon Series Class D Monoblock Amplifier

  • Item Condition: Open box complete
  • Rubicon Series Monoblock Car Amplifier • 700 watts x 1 chan @ 4 Ohms • 1100 watts x 1 chan @ 2 Ohms • MOSFET Power Supply • LED Protection Indicator • SMT Built In Cooling Fan • Aluminum Alloy Heatsink

    $169.95

    IN STOCK

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    5000W Max, Evolution Series Class D Monoblock Power Amplifier

  • Item Condition: Open box complete
  • • RMS: 1800W x 1 @ 4 ohms, 2500W x 1 @ 2 ohms
    • Peak: 2200W x 1 @ 4 ohms, 3500W x 1 @ 2 ohms, 5000W x 1 @ 1 ohm
    • Wired Bass Level Remote
    • Bass Boost: 0-18 dB
    • DataLink Cable for Connecting Two Evolution Amps
    • Dimensions: 10"D x 19-1/2"W x 2-3/8"H

    $179.99

    IN STOCK

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    1700W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier (BRZ 1700.1D)

  • Item Condition: Open box complete
  • • 1700W x 1-Chan. @ 1 Ohm
    • 1200W x 1-Chan. @ 2 Ohm
    • 600W x 1-Chan. @ 4 Ohm
    • Wired HFR-3 Remote
    • 4-Way System Protection
    • Phase Shift
    • Silver-Plated RCA Inputs

    $199.99

    IN STOCK

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    2000W Class D 1-Channel Monoblock Reference Series Amplifier

    • Peak: 650W x 1 @ 4 ohms, 1300W x 1 @ 2 ohms, 2000W x 1 @ 1 ohm
    • Total Peak Power: 4000W
    • Built-In System Diagnostics
    • Variable Bass EQ: 0 to +10 dB at 45 Hz
    • Class D Circuitry
    • Dimensions: 8-5/16"W x 20-1/2"D x 2-3/8"H

    $239.99

    IN STOCK

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    2400W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

  • Item Condition: Open box complete
  • • RMS: 850W x 1 @ 4 ohms, 1600W x 1 @ 2 ohms, 2400W x 1 @ 1 ohm
    • Total RMS Power: 2400W
    • CEA-2006 Compliant
    • Bass Boost: 0-10 dB at 40 Hz
    • Aluminum Alloy Heatsink with Illuminated Hifonics Logo
    • Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

    $259.99

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    1200W RMS XThunder Series 1 Ohm Stable Mononlock Class D Amplifier

  • Item Condition: Open Box Complete
  • • RMS Power: 400W x 1 @ 4 ohms, 750W x 1 @ 2 ohms, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • Variable Low Pass Filter
    • Dimensions: 8.9" W x 14.2" L x 2.03" H

    $399.95

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    1000W RMS Punch Series Monoblock Class BD Car Power Amplifier

    • RMS: 300W x 1 @ 4 ohms, 600W x 1 @ 2 ohms, 1000W x 1 @ 1 ohm
    • Total RMS Power: 1000W
    • CEA-2006 Compliant
    • Tuned Bass EQ: 0 to +18 dB
    • Super Efficient Class BD Circuitry
    • Dimensions: 13-5/16"L x 7-3/4"W x 2-3/8"H

    $529.99

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    True 3000W RMS, Class-D Monoblock Amplifier with Bass Remote

  • Item Condition: Open Box Incomplete
  • • RMS: 1020W x 1 @ 4 ohms, 1900W x 1 @ 2 ohms, 3000W x 1 @ 1 ohm
    • Total RMS Power: 3000W
    • CEA-2006 Compliant
    • Wired Bass Remote Included
    • Ultra Efficient Class D Design
    • Dimensions: 10" W x 20.5" L x 2.5" H

    $599.99

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    True 3000W RMS, Class-D Monoblock Amplifier with Bass Remote

  • Item Condition: Open Box Complete
  • • RMS: 1020W x 1 @ 4 ohms, 1900W x 1 @ 2 ohms, 3000W x 1 @ 1 ohm
    • Total RMS Power: 3000W
    • CEA-2006 Compliant
    • Wired Bass Remote Included
    • Ultra Efficient Class D Design
    • Dimensions: 10" W x 20.5" L x 2.5" H

    $599.99

    IN STOCK

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    Related Categories

    Sound Processors
    For those who want the most out their car audio system, a quality sound processor is a must. After some slight adjustments, your systems will sound like it has been professionally tuned and optimized. Tune your system to perfection with these crossovers, equalizers, and bass drivers. Click here to learn more about digital sound processors and to find out which type would be best for your car audio system.

    Monoblock Amplifiers Information

    Mono Subwoofer Amplifiers

    Mono amplifiers are single channel amps, but they can be used to power more than one subwoofer. Mono amps typically produce more power than multi-channel amps, which makes them ideal for powering subwoofers. Class D mono amps are the most efficient of all amplifier designs because they draw less current and as a result generate less heat in comparison to the classic mono amplifier design.

    A mono amplifier puts out only one channel of sound, as opposed to a stereo amp that puts out two channels of sound. A mono amp is generally used for extremely low frequencies, such as bass, that are channeled into a single subwoofer. It doesn't matter that both stereo channels are combined for these low bass frequencies because you couldn't tell which channel the sounds are coming from anyway because you feel the sound pressure more than hear the sound.