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Rockford Fosgate RFK8I8 AWG Power & Signal Installation Kit

4.7213 reviewsSee all reviews

Variants

8 AWG Power & RCA8 AWG Power & RCA2 variants

Well-made, flexible wiring and ready-to-install signal cables make this a reliable kit for powered-sub installs; confirm power-lead routing and connector needs for larger trucks or unusual layouts.

Buyer confidence

93%

Highlights

  • 1 Year Warranty
  • 8 AWG (8.36mm²) 735 strands
  • Includes appropriate wire termination hardware
  • Cables use 100% pure crystal-oxygen free copper (PC-OFC)

Key specs

Full specs
Fuse Type
AGU
Battery PWR/GND Gauge
8 AWG
Amplifier PWR/GND Gauge
8 AWG
Speaker Wire Gauge
N/A
Fuse Size
60 Amp
Dual Amp Installation Kit
No

Key specs

Full specs
Fuse Type
AGU
Battery PWR/GND Gauge
8 AWG
Amplifier PWR/GND Gauge
8 AWG
Speaker Wire Gauge
N/A

Highlights

Overview
  • 1 Year Warranty
  • 8 AWG (8.36mm²) 735 strands
  • Includes appropriate wire termination hardware

Review highlights

Based on customer reviews

High-quality, complete 8 AWG amp kit — check power lead length for big trucks

Well-made, flexible wiring and ready-to-install signal cables make this a reliable kit for powered-sub installs; confirm power-lead routing and connector needs for larger trucks or unusual layouts.

213 reviews4.7/5 averageUpdated Mar 15, 2026

What buyers praise

  • Durable, flexible 8 AWG power cable with high strand density
  • Pre-installed in-line fuse on the power lead for easier install

What to watch for

  • Power lead can be marginal or too short for long trucks/double-cab routings — measure before installing
Overview

Complete 8 AWG power, ground and signal installation kit for a single car amplifier.

Best for

  • Supplying power
  • ground
  • remote turn-on and line-level signal connections for one aftermarket car amplifier.

Key points

  • 17 ft of 8 AWG power wire
  • 3 ft of 8 AWG ground wire
  • 16 ft twisted-pair RCA signal cable
  • 20 ft remote turn-on wire
  • AGU fuse holder and fuse; includes a 40 Amp fuse
  • Includes power wire, RCA cables, and fused distribution components

Fit and use

Designed to provide the wiring needed to connect a single amplifier to the vehicle battery, chassis ground, remote turn-on, and source unit. Confirm the included cable lengths meet your routing requirements and that 8 AWG capacity and the supplied fuse match your amplifier's electrical needs.

What to know

Verify your amplifier's recommended power wire gauge and fuse rating before installation. The kit includes an AGU fuse holder and a 40 Amp fuse—confirm that fuse type and rating are appropriate for your application. Measure routing distances in your vehicle to ensure the provided lengths (power, ground, RCA, remote) a…

Highlights

Key features

  • 1 Year Warranty
  • 8 AWG (8.36mm²) 735 strands
  • Includes appropriate wire termination hardware
  • Cables use 100% pure crystal-oxygen free copper (PC-OFC)
  • Full Spec Cable meets or exceeds AWG (American Wire Gauge) requirements
  • CTA-2015
  • Includes Fused Dist.
  • Includes RCA Cables
  • Includes Power Wire
More info

Manufacturer details

8 gauge power, ground and signal installation kit for an amplifier.

Additional details

Kit includes 17 feet of 8 AWG power wire, 3 feet of 8 AWG ground wire, (1) 16 feet twisted pair RCA, AGU fuse holder and fuse, 20 feet of remote wire, 40 Amp fuse.

Technologies
CTA-2015

CTA-2015

Rockford Fosgate cables conform to the CTA-2015 industry standard. The standard specifies the exact amount of

Includes Fused Dist.

Includes Fused Dist.

This amplifier kit includes fused distribution. It utilizes a stand-alone fuse holder that can be installed in a

Includes RCA Cables

Includes RCA Cables

This amplifier kit includes RCA patch cables. These are the necessary cables used to transfer low-level signal

Includes Power Wire

Includes Power Wire

This amplifier kit includes power wire by including necessary cable for both B(+) and GND(-) connections.

Specs

Specifications

6
Fuse TypeAGU
Battery PWR/GND Gauge8 AWG
Amplifier PWR/GND Gauge8 AWG
Speaker Wire GaugeN/A
Fuse Size60 Amp
Dual Amp Installation KitNo
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If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.



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