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Visonik VCAP1FD

1.0 Farad Digital Capacitor

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This item has been discontinued

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Visonik VCAP1FD

1.0 Farad Digital Capacitor


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Scosche Ring Terminal (1/0 AWG)

Pair of 1/0 AWG ring terminals with 3/8" hole and red and black insulating sleeves.


Directed DEI Resistors (15-Pack)

Pack of resistors with various values (ohms) perfect for the initial charge of your capacitor.



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The new Visonik capacitors provide years of dependable service and they will improve your bass performance immediately! With voltage stabilization and a digital read-out, Visonik covered all bases with the VCAP1FD capacitor.

Another benefit of Visonik capacitors is their ability to fliter the alternating current produced by the vehicle's alternator. This alternating current can cause noise (alternator whine) in the audio system. The VCAP1FD and other Visonik capacitors help reduce or eliminate the dreadful "alternator whine."

Key Features:

  • 1 farad digital chrome power capacitor
  • brushed aluminum round housing
  • supplements system power when higher current than the alternator can provide is needed
  • provides consistent power to extreme high current sound systems
  • working voltage: 20 volts
  • high performance chrome posts
  • ultra low E.S.R. rating
    • ESR (Equivalent Series Resistance): less than or equal to 0.02 ohms
  • package includes: mounting brackets, resistor, instructions
  • auto on/off
  • four-digit digital readout
  • 2-year Authorized Manufacturer's warranty
  • Capacitor Specifications

    LCD Meter Display
    Displays the current voltage and/or other specification on an LCD readout.
    Maximum Input Gauge Size
    This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
    4 AWG
    Maximum Output Gauge Size
    This number refers to the maximum size of wire that will fit into the output connector(s) of the capacitor, battery terminal, or any other connector with an wire output.
    4 AWG
    Built-In Distribution Block
    A built-in distribution block simply means that the item includes a distribution block. The built-in distribution block will split the single power input into a multiple power output.
    Primary Color
    This is the main color of the item.
    Secondary Color
    A color that compliments the main color of the product.
    This is the color of the illuminated LED lights on the unit.

    Specials with this Item

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    Warranty and Return Policy

    Parts Warranty Duration
    1 year
    Labor Warranty Duration
    1 year
    Warranty Provider

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    Accessory Tools and Products

    Accessories added

    Scosche Ring Terminal (1/0 AWG)

    Pair of 1/0 AWG ring terminals with 3/8" hole and red and black insulating sleeves.

    Your Price $4.97

    Streetwires Ring Terminals (1/0 AWG)

    Pair of 1/0 AWG set screw power ring terminals.

    Your Price $15.99

    Directed DEI Resistors (15-Pack)

    Pack of resistors with various values (ohms) perfect for the initial charge of your capacitor.

    Your Price $1.99

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    Product Summary


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    Sonic Electronix Wiring Guide

    Wiring Diagram Legend

    Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

    Product Name: Visonik VCAP1FD