Showing 48 reviews for Rockford Fosgate RFK4I

Customer Review Summary for Rockford Fosgate RFK4I
Average Customer Rating is 4.8 out of 5 stars:
4.8
based on 48 Reviews
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Rating Distribution:
5 star:
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77%
4 star:
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23%
3 star:
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2 star:
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1 star:
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what's this?
Average Attributes Rating:
Durability
4.9
Value
4.7
Features
4.4
Design
4.8
Usability
4.8
what's this?
Most Helpful Customer Reviews:
October 2, 2011 true
2 of 2 people found the following review helpful:
Review by
turkey from pt, mo
Overall
Durability
Value
Features
Design
Usability
I love this wire it's so much better than my old 4 gauge wire. I put it next to the 4 gauge i bought from a local audio store and the rockford wire was twice as big and way more flexible. Everything in this kit is amazing and it is def worth the price.
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May 24, 2011 HIGH QUALITY! GREAT BUY!
2 of 2 people found the following review helpful:
Review by
Ryan from Eugene, OR
Overall
Durability
Value
Features
Design
Usability
Great Great Deal! RF's Cables are nice!

Pro:
Really Flexible
Price
HIGH HIGH QUALITY CABLES (i was surprised.)
It looks like licorice. (seriously!) :)
Pre-Attached Fuse Holder and Terminals

Cons:
A different fuseholder would be nice because it just sticks out and was more of a hassle to try and get it in.
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April 30, 2014 amazing amp kit
Review by
piyush from Edmonton, AB, Canada
Overall
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Value
Features
Design
Usability
really flexible and bendy and performs much better than anything else
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April 13, 2014 top quality
Review by
sharma from edmonton, alberta, Canada
Overall
Durability
Value
Features
Design
Usability
just recieved these a couple days ago and compared it to my other 4 gauge kit from stinger, the difference is insane. this stuff is amazing soooo soft and bendy even better than licorice. none of these other brands that make amp kits come even close to the quality and performance of rockford.
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September 19, 2013 Excellent
Review by
Leotorres from Mentor
Overall
Durability
Value
Features
Design
Usability
It is working pretty well. This brand is the best on wires, so No complains
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August 20, 2013 I liked it
Review by
Kile from Burlington, CO
Overall
Durability
Value
Features
Design
Usability
I would recommend this product to anyone installing an amp. The power and ground wires are really nice quality wires. The whole kit is just a nice put together kit. Love it
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June 26, 2013 awesome
Review by
Chris from Ogden Utah
Overall
Durability
Value
Features
Design
Usability
This amp kit is awesome! very thick pure copper wire. runs very clean, power keeps my system knockin. the fuse holders a lil tricky.. overall would recommend 10 times to anyone. Great price as well
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April 1, 2013 High quality cable!
Review by
Dustin from Green Bay, WI
Overall
Durability
Value
Features
Design
Usability
Excellent product! The positive wire was ready to install right away with no crimping involved. Just had to drill the hole a little larger. The cable is very flexible, durable and is true to it's size rating! Rockford Fosgate did a great job in producing a quality product.
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February 28, 2013 NICE
Review by
ANT from Bay Area
Overall
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Value
Features
Design
Usability
Good amp kit. Includes everything thing you need.
Real 4 Guage wire!
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February 9, 2013 Great little unit
Review by
Motorhomeguy from Rochester, MI
Overall
Durability
Value
Features
Design
Usability
The unit is exactly as advertised and makes a great small package sub for any car where space is an issue. It was easy to install and works great - I installed it in a 34 foot motorhome and I could have used a little more power, but it does the trick and I am satisfied.
Pros: ease of installation, size and appearance
Cons: could use a little more power
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December 29, 2012 Excellent car audio power cable
Review by
Greg from Farmington, MO
Overall
Durability
Value
Features
Design
Usability
Excellent product. Easy to work with. I bought two sets so I could wire a four channel amp and have extra power wire to do a "big three" wire project under the hood. Highly recommended.
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September 20, 2012 Rockford Fosgate RFK4I Review
Review by
Nuremberg from New York
Overall
Durability
Value
Features
Design
Usability
All i can say is wow. Unbelievable power delivery and a crisp clean signal with no distortion or signal loss issues. RF has always been amazing with their products and this kit just adds to that reputation.
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June 27, 2012 Speedy Shipping!
Review by
dferg1 from Rock Hill, SC
Overall
Durability
Value
Features
Design
Usability
Sonic always ships there products out very quickly. They are my favorite so far, and I have delt with other e-bay stores. This product does exactly what is listed. You won't be disappointed. I know I was'nt.
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June 12, 2012 Excellent qaulity.
Review by
Exavier from Deltona, FL
Overall
Durability
Value
Features
Design
Usability
Excellent product. Great build quality. True to Gauge. NO B.S. specs. The fuse holder is a little tricky.
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April 9, 2012 Great product
Review by
Blue silk from Corona, ca
Overall
Durability
Value
Features
Design
Usability
Never had any problems with this product and if I get a new car I would not settle for less.
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April 2, 2012 Good Wires
Review by
Jim from Salt Lake City, Utah
Overall
Durability
Value
Features
Design
Usability
Good wires, i like them. They do a good job. They are a lot of money but you get what you paid for, cant go wrong with Rockford products.
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March 27, 2012 Awesome!
Review by
Jace from Sacramento, CA
Overall
Durability
Value
Features
Design
Usability
like most said the fuse holder was awkward and a little tricky.. but besides that everything is great!
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February 9, 2012 Good Deal!
Review by
Rob from Okotoks, AB, Canada
Overall
Durability
Value
Features
Design
Usability
Good quality at a good price, shipping was good and quick as well.
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December 29, 2011 Rockford Wire
Review by
Nick C from Arkansas
Overall
Durability
Value
Features
Design
Usability
I highly recommend this wire kit! I have it hooked up in my 99 chevy silverado with a kenwood 9105d and JBL GT5s in a sealed box and it's amazing. The wire is defintly full 4 guage. Not copper over aluminum like most cheap brands are. A 4 guage copper over aluminum is like 8 guage true copper. Having proper wire is essential to reaching maximum ability of your amp. If your amp cannot receive the full amount of power then it will overheat and stop working. A good wire kit is a safety investment in your car audio. This is a great kit for the price. Everything you need to hook your amp up. You get what you pay for. Don't get cheap wire and risk your amp, subs, and car battery. Overall great kit and would recommend friends buying!
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December 22, 2011 great value
Review by
clean car & a subwoofer from GIG HARBOR, WA
Overall
Durability
Value
Features
Design
Usability
I already have 3 of these, they are the best product for the money! Take it from sonic, fast shipping too! I like the maxi fuse holder and all the terminal rings included.
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December 20, 2011 Great value & fast shipping!
Review by
Clean car & a subwoofer from GIG HARBOR, WA
Overall
Durability
Value
Features
Design
Usability
Very good 4 guage wire, pretty much everything what you need for a subwoofer amp wiring... very pliable wire, easy to hide under the carpet. I hook it up to a friend of mine, no sweat :) Sonic has a good deal compare to other retailers. I you've got extra cash, take kicker, the blue one. It is thicker and silver tinted... the one im using right now. :)
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September 1, 2011 best thing i ever bought
Review by
Devante from Rembert, SC
Overall
Durability
Value
Features
Design
Usability
Very flexible wires easy to put the fuse in only down side that i dont like is how big the fuse holder is and that the fuse sticks out like it does but other than that very great product wouldn't think about buying anything otha kind specially for this price fastest shipping ever
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August 23, 2011 best wire
Review by
dominic from Roswell, NM
Overall
Durability
Value
Features
Design
Usability
There is no substitute for this wire this is the quality stuff a competition system needs. I want all fosgate for my wires and RCA's.
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July 26, 2011 quality product
Review by
boogie man from ga
Overall
Durability
Value
Features
Design
Usability
I'm no car audio buff but this works fine for me.
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June 28, 2011 Great Wire Kit
Review by
Stanley from Ventura, CA
Overall
Durability
Value
Features
Design
Usability
The quality of Rockford Fosgate is undeniable. These wires deliver the power I need with no problem at all. System has a crisp clear sound and I am very satisfied.
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June 19, 2011 Works good
Review by
Tomas from Davis, CA
Overall
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Value
Features
Design
Usability
No problems with it, works perfect still after about 5 months.
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April 20, 2011 amp install kit
Review by
Alex from Pittsburgh, PA
Overall
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Value
Features
Design
Usability
very nice kit for the price paid. wire is extremely flexible for gauge. power wire is long enough to go from battery at the front of the engine bay, through the firewall, under dash, under the carpet, down transmission tunnel, under rear seats, into trunk and still have 2 feet to spare. this was done on a 93 chevy beretta, so bigger sedans and suvs may need more wire. i'm very pleased with this kit and would buy again
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March 30, 2011 Rockforf Fosgate 4 Gauge Kit
Review by
Leon from Shiprock, NM
Overall
Durability
Value
Features
Design
Usability
This is a nice kit... True 4 gauge... really easy to work with.... really flexible... all in all a great product...
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March 2, 2011 Great Value!
Review by
Monte from Mount Vernon, WA
Overall
Durability
Value
Features
Design
Usability
I wanted to install my own sound system in my Dodge Dakota and wanted to do it right. I bought this kit based on other reviews and because of the quality Rockford is known for. After getting this kit and using it, I can say it's all very high quality. I have been using my system now for over 6 months, no issues!
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December 21, 2010 Great Quality
Review by
Brandon from Columbia, MO
Overall
Durability
Value
Features
Design
Usability
I bought these to power an RE SE-X 15 hooked up to a Sundown amp at about 800 RMS. Let me tell you, these cables are GREAT quality. Definitely 4 AWG wire, and plenty of it, enough for me to cut off extra and use it for a "big 3" upgrade. Wires are very flexible. RCA cables are high quality. Im gonna use home stereo speaker wire for my setup so this was perfect. Only flaw is the fuse. Because the fuse-holder uses a MAXI fuse which is very large, it sticks out the side of the fuse holder. Although, this makes for easy inspection of the fuse. Overall a very clean and high quality kit.
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December 20, 2010 GREAT WIRING KIT
Review by
POLARBEAR805 from SANTA PAULA, CA
Overall
Durability
Value
Features
Design
Usability
This kit works great. I used it to power my alpine 1000 watt amp. Easy to install. Don't waste your cash on cheap kits from w*****.
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November 5, 2010 Rockford Fosgate RFK4I
Review by
Drew from Grand Junction, CO
Overall
Durability
Value
Features
Design
Usability
I purchaced these cables a while back to upgrade with more power and work great seller got them to me wery quick and works great. And best price I could find. Lot better than local store. These guys are the real DEALS!!!
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October 14, 2010 Amp Wiring Kit
Review by
Toby from Little Elm, TX
Overall
Durability
Value
Features
Design
Usability
This kit did exactly what I needed it to so I could hook up my amp. There is plenty of cable to run from the battery all the way to the back of the car and all the needed accessories are included. I would highly recommend this kit.
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October 11, 2010 Great Product
Review by
Streva from Salvador - Bahia, Brazil
Overall
Durability
Value
Features
Design
Usability
Easy to install + high quality components for a basic setup.
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October 4, 2010 Rocford Rocks
Review by
Chris from Madera, CA
Overall
Durability
Value
Features
Design
Usability
The kit comes with everything. The wire is all super flexible, so it is easy to fit in tight places in you're vehicle.
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August 29, 2010 great quality!
Review by
Jarred from Garden Grove, Ca
Overall
Durability
Value
Features
Design
Usability
These wires are awesome...The quality is great and it really utilizes all of your amp's true potential power.
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August 18, 2010 RFK4I
Review by
Tyler from Evergreen, CO
Overall
Durability
Value
Features
Design
Usability
this wiring kit was perfect. high quality wire and more than enough length for my 4runner with the amp all the way in the back. i would definitely recommend this kit to anyone
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August 11, 2010 Great Kit. Good Value
Review by
DJMJ from Chicago, IL
Overall
Durability
Value
Features
Design
Usability
Installed in a 2007 Chevy Trailblazer SS and a Pontiac Torrent. All wiring was long enough to reach the rear tray nicely and the quality was great. Everything I needed to get my MTX amps and Alpine subs bumping again was in the kit. Did need more zip ties but those are cheap. Sounds great and better than the low grade CCA autopart store kits for a similar price. If you are debating price versus quality this is a clear winner in both categories. Signal RCA's didn't look too robust but have not had any issues.
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June 27, 2010 great!
Review by
john from santa rosa CA
Overall
Durability
Value
Features
Design
Usability
i love this amp kit! would be awesome for the price if it would have speaker wire but i already had some so it is all good. anyways it powers the system so I'm happy
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June 19, 2010 RF 4 gauge
Review by
Vic from Vail, AZ
Overall
Durability
Value
Features
Design
Usability
This product is great. Just got it in the mail. One of the things is that the Rockford wiring is very nicely insulated, most people wont see that. Its very flexible. They give you a honest product with 1600+ strands in that copper wiring.
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May 29, 2010 Best
Review by
Felly from SF
Overall
Durability
Value
Features
Design
Usability
Had off brand, kicker, etc. Nothing lives up to rockfords wires. Measured and it is 4awg power and ground. Not thick insulation and powered my 2 kenwood kac-904d perfectly. 1800 watts was a little much for 4awg but anything under 1500 would work great.
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May 10, 2010 Good Wire
Review by
Bond from Bloomington, IL
Overall
Durability
Value
Features
Design
Usability
I got this for 2 12" inch 1200 watt Sony Xplods. But anyways this wire was a charm and haven't had any problem with it.
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April 6, 2010 Greatest For The Price
Review by
Fosgate from Chicago, IL
Overall
Durability
Value
Features
Design
Usability
I purchased this product from B*** B** and i paid twice as much. I wish i would have purchased it at Sonic Electronix for half the price!!!!

Overall, it is a great kit. came with everything but speaker wire, but it was thick enough and it powers my 1000 watt RMS amp.
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February 21, 2010 Its wire hehe
Review by
Jay from Easton, PA
Overall
Durability
Value
Features
Design
Usability
Well nice and easy to install, downfall of it all is the price and an ok fuse holder.
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February 9, 2010 Hmmm...not ENOUGH
Review by
Frank from Tulsa, OK
Overall
Durability
Value
Features
Design
Usability
So i got this kit because its RF and 4 AWG, sounds good to me, but it didn't have all the terminals necessary for complete amp installation. Overall its an alright kit, but i would recommend spending a little more on a higher end wiring kit.
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January 22, 2010 Hey I got RF Amp Kit
Review by
Jim from Oakland, CA
Overall
Durability
Value
Features
Design
Usability
OK, got this in today and i ordered it yesterday So Great Shipping and Very Fast, but the wire seems to be under spec and it doesn't stand up to their 4 awg claim, the wire i got at a audio store for cheaper had more copper then this kit, maybe its just this kit, that doesn't stand up to the specs because it is the cheaper one of RF Kits, but for 54$ bucks it is a good deal, the wire is very flexible and very easy to fit in tight places, and i would recommend it to first time installers because, it can make it a lot easier for you, but to other installers look else where, With this kit your just paying for the RF name
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April 15, 2009 Good Amp Kit
Review by
erik from Sunnyvale, CA
Overall
Durability
Value
Features
Design
Usability
Everything was good except no speaker wires.
High quality wiring and insulation.
Highly recommended.
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September 23, 2010 Good quality. Not a complete kit though
0 of 2 people found the following review helpful:
Review by
Jeff from Bradenton
Overall
Durability
Value
Features
Design
Usability
This kit only came with ring terminals for one end of the wire. It would be nice if it included a terminal for the other end of the cable!
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