Rockford Fosgate RFK8

8-gauge amplifier power wiring kit

Item #: 575RFK8

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6 Reviews | Ask Questions

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This wiring kit does not include speaker wire or patch cables. You will need to purchase those separately, in order to complete your amplifier installation.

Your amp needs big power wires in order to deliver top performance to your sound system. Rockford Fosgate's RFK8 amplifier power wiring kit supplies everything you'll need to send power to amplifiers with fuse ratings of up to 60 amperes. Rockford Fosgate makes the 8-gauge cable from 100% pure crystal-oxygen free copper wire so you can count on maximum signal transfer.

Product Highlights:

  • amplifier wiring kit
  • cables meet or exceed the American Wire Gauge specifications and requirements
  • 17 feet of 8-gauge power cable
  • 3 feet of 8-gauge ground cable
  • 20 feet of 18-gauge turn-on lead wire
  • AGU fuse holder and 60-amp fuse
  • assortment of wire termination hardware and cable ties
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

Download owner's manual

  • One 17' Power cable (8-gauge) in a red translucent jacket (has an in-line 60A fuse/fuse holder and a ring terminal on the battery end)
  • 3' Ground cable (8-gauge) in a translucent gray jacket (with a ring terminal on one end)
  • 20' Turn-on lead in a blue jacket
  • Ten 4" wire ties
  • 1 Plastic grommet
  • 3 Plastic butt connectors
  • Female quick slide connector
  • Male quick slide connector
  • Ring terminal
  • Small red rubber boot
  • Large black rubber boot

Product Research

Features

General Overview: This is a single amplifier wiring kit that includes the power and ground cables, turn-on lead, and accessories required to install one amplifier. Speaker wire and RCA cables are sold separately.

High Strand Power/Ground Cable: The power and ground cable are 100% Pure Crystal-Oxygen Free Copper (PC-OFC) and meet or exceed AWG (American Wire Gauge) requirements.

In-line Fuse Holder: The included in-line, water-tight fuse holder attached to the power cable comes with a 60-amp AGU-type fuse.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Rockford Fosgate RFK8 Reviews

Average Customer Review:

6 reviews
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good kit could be better

Written By Mark W, Wichita, KS on Tuesday, September 30, 2014

Crutchfield Customer Review (What's this?)

good kit. cables were long enough to reach amp in trunk, but the provided connectors were too wide for the amp I purchased. so I had to go to a local stereo shop to get connectors that would work.

Pros: good kit. cables were long enough for my job

Cons: connectors provided were too wide for amp that was purchased

Does not come with everything you need.

Written By Commata, Michigan on Tuesday, August 05, 2014

Crutchfield Customer Review (What's this?)

The components that came with the wiring kit where made of quality products but did not include RCA cables so i had to make an extra trip to get a set, so i would recommend buying a kit that includes everything you need.

Pros: Quality Product

Cons: Missing RCA cables

Great Product

Written By djstaab, Gainesville, FL on Wednesday, February 19, 2014

Crutchfield Customer Review (What's this?)

High end kit at a decent price. Only problem is the kit doesn't come with RCA patch cables (WHY?). I didn't notice this and had to buy some inferior ones locally to continue my install.

Pros: High end

Cons: No RCA's.

RF amp cables

Written By coachts, Granada Hills, CA on Tuesday, January 14, 2014

Crutchfield Customer Review (What's this?)

Excellent quality cable that is extremely thick and heavy duty. It was plenty long enough to run from front to back of my Hummer. Great fuse enclosure.

Pros: Excellent quality Thick protective coating Great fuse enclosure and included fuse.

Cons: No RCA sound cable for subwoofer

Wiring kit

Written By DS, Chagrin falls, Oh on Thursday, January 02, 2014

Crutchfield Customer Review (What's this?)

have used several of these for other unit installations, good quality material.

Pros: good quality

Cons: price, I mean its just short lengths of wire for crying out loud.

Worth the extra money

Written By johnnybgood, NW Iowa on Monday, November 07, 2011

Crutchfield Customer Review (What's this?)

This kit costs a little extra, but is well worth the cost. There's a reason some kits are $20 and others are $50. You get what you pay for and it doesn't make sense to short change your several hundred or thousand dollar system for the sake of $20-$30.

Pros: High quality components

Cons: Cost

Get everything you’ll need to enjoy your new Rockford Fosgate RFK8

Make sure you have enough speaker wire. Enter the number of feet you need in your shopping cart.
You'll need patch cords to deliver the signal to your amp.
The right tools make the job easier.
T-Spec 16-gauge Speaker Wire

T-Spec 16-gauge Speaker Wire

Black/white jacket — priced per foot

Item #: 120SW16WB1

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T-Spec 12-gauge Speaker Wire

T-Spec 12-gauge Speaker Wire

Black/white jacket — priced per foot

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Stinger PRO Series Speaker Wire

Stinger PRO Series Speaker Wire

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T-Spec 2-Channel RCA Patch Cables

T-Spec 2-Channel RCA Patch Cables

Available in 7 different lengths (20-foot)

Item #: 120RCA202

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T-Spec 4-Channel RCA Patch Cable

T-Spec 4-Channel RCA Patch Cable

17-foot length

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EFX 17-foot RCA Patch Cable

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Metra Crimp Tool Set

Metra Crimp Tool Set

Package contains light-duty crimp tool and 20 crimp caps

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S&G Wire Cutter/Stripper Tool

S&G Wire Cutter/Stripper Tool

Cuts and strips 12- to 22-gauge wire

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S&G Tool Aid 87615

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S&G Tool Aid 87650

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Pro.Fit Hook Tool Set

Pro.Fit Hook Tool Set

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Pro.Fit Trim Panel Tool

Pro.Fit Trim Panel Tool

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Pro.Fit Wire Worm

Pro.Fit Wire Worm

Installation tool helps route wiring through tight spaces

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Spec Tools Stubby Driver

Spec Tools Stubby Driver

Ratcheting driver for tight installations

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Skewdriver Pro SPK4042

Skewdriver Pro SPK4042

Ratcheting straight and offset screwdriver set with 40 bits (Skewdriver Pro with ratchet handle, pictured)

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Spec Tools SQR-200a Squeeze Wrench

Spec Tools SQR-200a Squeeze Wrench

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Bojo Trim Panel Tools

Bojo Trim Panel Tools

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Bojo Trim Panel Tools

Bojo Trim Panel Tools

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Bojo Trim Panel Tools

Bojo Trim Panel Tools

Set of 6 pry tools — helps remove interior and exterior trim and door panels

Item #: 126CR6LNGL

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Metra Crimp Caps

Metra Crimp Caps

Package contains 100 crimp caps — for 14- to 16-gauge wire

Item #: 120CCL1614

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Posi-Products™ Wire Connectors

Posi-Products™ Wire Connectors

16 connectors for installing 10- to 26-gauge wires

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Questions & Answers Ask the community. Share your knowledge.

Looking for more? Check out the next model in this lineup.

Rockford Fosgate RFK8I

Get power and signal cables in one kit:

The Rockford Fosgate RFK8i offers these features:

  • one 20-foot twisted pair RCA patch cable