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Rockford Fosgate RFK4X (Open Box)

4 Gauge Complete Amplifier Installation Kit (Open Box)

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Complete 4 Gauge Amplifier Installation Kit with RCA Interconnect Cables • 100% Pure Crystal Oxygen-Free Copper (PC-OFC) • FULL Spec Cable Meets or Exceeds AWG (American Wire Gauge) Requirements

Learn more about the ls-rfk4x-ob

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This item has been discontinued

Product Highlights


Complete 4 Gauge Amplifier Installation Kit with RCA Interconnect Cables • 100% Pure Crystal Oxygen-Free Copper (PC-OFC) • FULL Spec Cable Meets or Exceeds AWG (American Wire Gauge) Requirements

Description


Rockford Fosgate brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Product Features:
  • Kit is 100% Brand New, Unused Merchandise
  • 4 Gauge Complete Amplifier Installation Kit
  • Designed specifically for car audio systems up to 1000 watts
  • Premium power and ground wire provides optimal power transfer
  • Made from 100% oxygen-free copper for a pure uninterrupted transfer of power
  • Includes 2-channel RCA interconnect cables for the audio signal connection from the receiver to the amplifier
  • RCA Interconnects are made with twisted-pair technology for noise reduction
  • Terminals are nickel-plated for excellent signal transfer
  • Maxi Fuse holder offers ideal protection for high powered systems
  • True-to-Gauge cables/wires meet or exceed the industry standard of copper required for the gauge size
Package Includes:
  1. 17ft. 4-Gauge power cable
  2. 3ft. 4-Gauge ground wire
  3. 30ft. 16-Gauge speaker wire
  4. 20ft. Twisted pair of RCA cables
  5. Maxi fuse holder and fuse
  6. 20ft. Remote wire
  7. 100 Amp fuse

Specifications & Details


Amplifier Kit Specifications
Amp Kit Type
Complete
Number of Amplifiers Supported
1
Power/Ground Wire Size
4 gauge
Power Wire Length
17 feet
Ground Wire Length
3 feet
Speaker Wire Included
Yes
Speaker Wire Length
30 feet
Remote Wire Length
20 feet
Interconnect (RCA) Signal Cables Included
2 Channel
Fuse Holder
MAXI
Fuse Size
100A
Distribution Block Included
No
Complies to AWG Standards
Yes
Wire Material
OFC (100% Oxygen-Free Copper)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

RFK4X-OB

Weight:

5.00lbs

Internal SKU:

ls-rfk4x-ob

Internal Product ID:

61051

Product and How-to Videos


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.