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Rockford Fosgate RFK4D

4 Gauge Complete Dual Amplifier Installation Kit

In Stock
|

List price $187.99

$91.99

with warranty

You Save: $96.00 (51.07%)

Arrives by Friday, Aug. 1 to zip 07095

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Product Features
  • 4 Gauge Complete Dual 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
Amp Kit Includes
  • Includes appropriate wire termination hardware
  • 17ft. 4-Gauge power cable
  • 6ft. 8-Gauge power cable
  • 3ft. 4-Gauge ground wire
  • 6ft. 8-Gauge ground wire
  • 30ft. 16-Gauge speaker wire
  • 2-20ft. Twisted pair of RCA cables
  • Maxi fuse holder and fuse
  • Pair of 4-gauge distribution blocks
  • 20ft. Remote wire
  • 100 Amp fuse

Amplifier Kit Specifications

Amp Kit Type
Amplifier installation kit come in two different types: Power or Complete. Power Amp kits are designed to only provide power to the amplifier. Complete kits will provide power and signal to the amplifier. Many of the complete kits will also include speaker wire to connect the amplifier to the subwoofer.
Complete
Number of Amplifiers Supported
This is the number of amplifiers that the amplifier kit can support. If you are are going to be powering more than one amplifier, make sure that the installation kit will support them.
2
Power/Ground Wire Size
The power/ground gauge numbers represents the main wire size of the amplifier kit.

Definitions are as follows:

Gauge (wire) - The diameter of a wire. The higher the number, the thinner the wire. Example: 4 gauge wire has more strands than 10 gauge wire.

AWG (American Wire Gauge) - A standard of the dimensional characteristics of wire used to conduct electrical current or signals. AWG is identical to the Brown and Sharpe (B & S) wire gauge.
4 gauge
Power Wire Length
This is the length of the power wire in feet.
17 feet
Power Wire Color
Red
Ground Wire Length
The length of the ground wire in feet.
6 feet
Ground Wire Color
Black
Speaker Wire Included
If speaker wire is included, the value will be "Yes" and if no wire is included, it will read "No".
Yes
Speaker Wire Length
This is the length of speaker wire that is included with the item.
30 feet
Remote Wire Length
This is the length of the remote wire that is included with the item.
20 feet
Interconnect (RCA) Signal Cables Included
Interconnect cables are required for amplifiers which are installed to the "RCA preamp low-level outputs" of a car stereo receiver. If your amplifier has high-level / speaker level inputs, then you do not need to purchase interconnects; however, interconnects offer a much higher quality sound when compared to speaker level inputs.
2 Channel
Fuse Holder
This is the type of fuse holder that is included in the item.
MAXI
Fuse Size
This is the size of the fuse that is compatible with the fuse holder. If the fuse needs to be replaced, be sure to replace it with the same size.
100A
Distribution Block Included
This means that the kit includes a distribution block in the package. This will assist in the installation of the amplifier kit or any situation where a distribution block is required.
Yes
Complies to AWG Standards
Since 1857, The AWG (American Wire Gauge) system has been the standard for measuring the diameter of wire. AWG standard is the measure of bare wire to find true gauge. Companies that do not follow AWG Standards include the thickness of the wire jacket which means the actual wire is not "True to Gauge". For the best performance from your amplifier wiring kit, make sure that the cable complies to the AWG standard.
Yes
Wire Material
The material that the wire is made of. Copper & aluminum are the most commonly used materials. OFC - Oxygen Free Copper is the ideal choice for wire material. Copper is a superior electrical conductor, & does not expand or contract with heat. CCA - Copper-Clad Aluminum is a suitable choice for lower powered or budget applications. The power transfer is not on par with OFC, but this material offers significant savings.
OFC (Oxygen-Free Copper)

Warranty and Return Policy

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

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
90%
4 Star
10%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
5.0
Value
4.7
Features
4.9
Design
4.9
Usability
5.0

Shannon

Rockwood, TN

Overall
Durability
Value
Features
Design
Usability

Perfect 2 AMP Kit.

May 17, 2011

Near perfect 2 amp kit. Comes with everything you need and not a bunch of needless stuff. Would definitely reccommend!!!

2 of 2 found this helpful

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Sean

Cleveland, Ohio

Overall
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Value
Features
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Usability

ROCKFORD ROCKS!

May 13, 2011

If you want quality...here it is. ONE of the most flexible shielding coats I have ever worked with. NOTHING beats this type of coating, and the fine coper strands are up there with the best in size. I will give a hint to all you consumers. Tsunami is another car audio brand. They make a high quality/high-end series of cables and such. Tsunami distributes products such as there 4 gauge wire to Rockford Fosgate. Tsunami essentially IS Rockford Fosgate when it comes to wires! Prices are the same, but you may have more of a selection in color when it comes to Tsunami...

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Mike

North Las Vegas, NV

Overall
Durability
Value
Features
Design
Usability

you get what you pay for

March 15, 2011

And in this case you get massive quality out of this kit. The wire was a true 4g and extremely flexible. The distribution blocks worked beautifully and are interchangeable to accept 0g inputs and 4g outs. The only thing I wasnt happy about was the rca cables, they were skimpy. Otherwise 5 stars

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quality sound king

midwest, indiana

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Value
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Usability

great product with a name you can trust

December 6, 2010

Buying this product allows one to add and two amplifiers, of almost any size, to almost any vehicle with all the necessary equipment needed to install. includes fuse holder with fuse, heavy 4&8awg wire, and distribution blocks. Also RCA cables, speaker wire, and remote wire to finish it out. best quality all in one package product at a fair to unbeatable price with no disappointments I could find.

2 of 2 found this helpful

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Austin

Chattanooga, TN

Overall
Durability
Value
Features
Design
Usability

Worth the Money

September 17, 2013

While expensive, this kit is worth the money in my opinion for a multiple amp setup. It definitely improved the sound quality and volume over the old wiring. I think everything included in the kit works excellent.

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Christopher

Midlothian, VA

Overall
Durability
Value
Features
Design
Usability

Rockford dual amplifier kit

November 22, 2012

I purchased this kit at less than half of cost in stores near my home and it would have been worth full price. Everything was there that was needed. It truly is a great kit at a great value.

0 of 0 found this helpful

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clean car & a subwoofer

GIG HARBOR, WA

Overall
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Value
Features
Design
Usability

great price!

January 30, 2012

Well done Sonic as usual, good price and fast shipping. True 4 gauage wire, solid distributor block, you cant find this much from any other brand.

0 of 0 found this helpful

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Evan

Naperville , IL

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Value
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Usability

Another positive review.

December 28, 2011

True 4 gauge and 8 gauge, Tons of speaker wire, which is 16gauge, but has insulation like a 14 gauge wire would. Tons of remote wire, easily enough to do two amps, great solid fuse holder, it's kind of strange to use maxi but it works well and the distribution blocks are very sturdy and sleek looking. Overall, I don't think there's a better quality kit for the money.

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Michael

Springhill, FL

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Value
Features
Design
Usability

nobody beats these guys is prices

December 19, 2011

A very simple clean installation comes together as a package like this.

0 of 0 found this helpful

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osvaldomexdf

new yorl

Overall
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Value
Features
Design
Usability

good product

November 1, 2011

Good product works perfectly and is a good price.

0 of 0 found this helpful

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cesar

las vegas, NV

Overall
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Value
Features
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Usability

THICK WIRE!!!!!!

September 9, 2011

This amp kit was my choice over the kicker dual amp kit, mainly because of the price difference. This wire is more than thick enough to run two amps and 100% copper! The only problem i had was the design of the fuse holder? it was weird? Thats just me. Great quality wire!

0 of 0 found this helpful

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Twisty

Hillsboro, OR

Overall
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Value
Features
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Usability

Substantial Materials

July 19, 2011

I bought this product to use in a multi amp system. It is a very heavy package of parts. I did not even open the package. I took it to my installer and he used it to put in my 4 speakers, 2 amps, new head unit and sub-woofer.

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Carlos

Bakersfield, CA

Overall
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Value
Features
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Usability

BEST QUALITY

December 5, 2010

I bought this wire set a couple of months a go to install it in mt 08 Silverado along with some 10 inch MA audios I had laying around,(subs were also bought from here). But anyways, the amp kit was unbelievably flexible and quality was great and it being so close to where I live the shipping was short. Overall great web site and great quality stuff to offer.

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Carlos

Bakersfield, CA

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Value
Features
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Usability

GREAT PRODUCT

August 31, 2010

I bought this amp kit to install it in my 08 Silverado along with 2 MA audios and a 2000 watt audiophonics amp. overall it is a wonderful amp kit, really high standard wires and came with everything I needed to install it. now I'm looking to upgrade my amp to a rockford also. SONICELECTRONIX #1

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DLinzy

Garland, Texas

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Value
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Usability

Skeptic No More

August 31, 2010

I've been installing my own and friends auto systems for the past 20+ years. The joy of installing something from scratch and hearing the results instantly and for years can only be expressed as totally gratifying. The RFK4D Amp Kit I purchased from Sonic Electronix not only arrived a day early, it was complete with everything I needed to install both of my Amps + a connection point for a Inverter I thought I'd never get to use. Everything included is Top Shelf and has performed flawlessly from day 1. I would purchase this product again without any concerns whatsoever.

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stanley

phoenix, AZ

Overall
Durability
Value
Features
Design
Usability

Rockford Fosgate RFK4D

August 17, 2010

I bought this at $79.99 and was the best price anywhere. This kit usually runs $150. It was quick and easy to install with all parts and has been installed for about 5 months now. I highly recommend this kit.

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gnudrew25

Highlands Ranch, CO

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Value
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Usability

Easiest install ever

June 30, 2010

the wire is insanely flexible. it is also about twice the diameter of the copper wire than that of home depot's 4 AWG wire. the wire is so easy to run and put into the distribution blocks and get it hooked up to your amps. wiring the speakers was the hardest part but I'm glad i had this kit to help. the entire install took an hour or two in my 96 jeep grand. I'm glad i spent the extra money and got this kit

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Travis

Elkridge, MD

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Value
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Usability

Great Product

June 8, 2010

This amp kit is great and well worth the cost. Has everything needed to install amp. Since it is a dual amp install kit you would still need to buy at least one more rca cable set. I had to buy 2 more. Also depending on where your battery is and how far you are running the wires may be a little short. Other than that this is a great product and im glad i bought rockford fosgate. DO NOT try to save money and buy a no name wiring kit. Spend the extra money to get good wires.

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DWES415

San Mateo, CA

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Value
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Usability

best bang for your buck

February 22, 2010

bought this for 2 power acoustik amps (ovn1-2000 and ovn4-840) and to rewire all my interior speakers. i didnt need anything else. i like how the power and ground wires are very flexible. i always used rockford wires. great value!

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Chasten

Blue Springs, MO

Overall
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Value
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Usability

Perfect Amp Kit!

January 3, 2008

I have used rockford fosgate amp kits for the last three years and they have finaly started going back to better quality. The insulation is very flexable and still secure. The distribution blocks come with all the sizing adapters and are very easy to install. Everything comes preped ready to go no crimping, cutting, or installing the fuse needed!

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Accessory Tools and Products

Accessories added

NVX V Series RCA Audio Interconnect Cable

V-Series: 5m (16.40 ft) 2-Channel RCA Audio Interconnect Cable

Your Price $11.99

NVX X-Series RCA Interconnect Cables

16.4 ft of X-Series 2-Channel RCA Audio Premium Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology

Your Price $26.99

Scosche Distribution Block

Single 4 AWG input to four 8 AWG output distribution block plated in chrome

Your Price $4.99

Heavy-Duty Grommet

This Stinger heavy duty grommet is the perfect and safe solution to running wires through the firewall.

Your Price $5.99

Black Cable/Zip Ties

100 pack of 12" zip ties - These cable ties provide a secure installation of your cables and wires, as well as making installation simple and fast.

Your Price $5.99

Door Panel & Upholstery Remover Tool

Easily remove your door panels and other panels to make the installation of your new tweeters easy.

Your Price $5.99

Universal Window Handle Remover Tool

Remove your manual windows and door panels with this simple and convenient tool.

Your Price $9.99

Universal Wire Puller & Grabber

Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places!

Your Price $6.99

Car Audio Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

Your Price $12.99

Product Summary

Manufacturer

Model Number

RFK4D

UPC

780687325510

Weight

10.00lbs

Internal SKU

rfk4d

Internal Product ID

9902

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: Rockford Fosgate RFK4D