KnuKonceptz KCA Complete Oversized 4 Gauge 2 Channel Subwoofer Amp Installation Wiring Kit

(1366 Reviews)

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$33.48

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(30000 available )

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Reviews
  • AyooMatt

    Greater than one week

    Love the product works really well with my set up, good quality wire, comes with everything you need. I would recommend this product.

  • Harman

    > 3 day

    Definitely thicker than other 4 Guage kits, was worth it to spend more on this.

  • Krstockland

    > 3 day

    This worked well for my car audio install, no issues, all required cords were included. Nice price for the gauge of wire included. I would buy this wire kit again if needed.

  • Luke Ashley

    > 3 day

    I continue to love KnuKonceptz Kits and have personally installed 10 kits in my vehicles and friends vehicles. They have everything you could want for amp kits and provide excellent kits (And at an exceptional value). Comes with everything you could desire to hook up an amp.

  • C. Cri

    > 3 day

    i purchased this amp /speaker kit wire before not too long ago and i m impressed of the quality of this product,it really does a great job on my 10 sub woofer kicker and it sounds really clear in main part cause of this 4 Gage Kit,and now i m buying it again for my new car that yes already has a sub w amp but i m making a little addition so i think it will work perfect to hook up the 10 flat Pioneer woofer and using with a Boss amp that will continually hold 250w rms hopefully...:)

  • MANNY

    > 3 day

    Decent product

  • hopeles117

    Greater than one week

    Worked just fine. It is aluminum, but for the price there was nothing wrong with it. Just know what youre buying before purchasing.

  • Shai

    > 3 day

    Is 4 gauge cable is true 4 gauge cable but it is CCA which stands for copper clad aluminum so do not get it twisted with it being ofc. But what is still being CCA really thick wire it barely fit in my 4 gauge ring terminals so thats how I knew it was true for Gage a lot of strands which means more conductivity would definitely recommend this wire for a budget build system. On top of that this company infuses the RCAs and the remote turn on wire together as one cable rather than making two of them separate

  • JeremyG

    > 3 day

    Im not a professional audio installer. Im not the kind of guy who will measure wire to make sure its the gauge that the seller claims. However, this wire is thick, and I cannot imagine that it wouldnt be thick enough to deliver power from a battery to an amplifier. The wire is nice, and its also easy to bend. The rubber surrounding it is very soft, almost like some sort of harder silicone. I think this would work really well and not break or crack even when cold.

  • Eloy

    > 3 day

    Best sound system wire for the price.



The KCA Kable (Kolossus Copper Aluminum) is the next generation of our Copper Clad Aluminum (CCA) power and ground cables. The new KCA 4 Gauge uses 29.44mm^2 of Copper Clad Aluminum (CCA) to transfer current from your battery to amplifier. Copper Clad Aluminum (CCA) is made up of 90% Aluminum and 10% Copper. The KCA 4 Gauge Kable used throughout this kit offers incredible flexibility and a rugged PVC outer jacket that is impervious to grease and oil. The PVC outer jacket can withstand extreme temperatures (-40 to 105 C).

KnuKonceptz KCA 4 Gauge Complete 2 Channel Amplifier Installation Kit

The KCA-K4 Amplfier Installation Kit Includes:

  • 18" 4 AWG Blue KCA Kable (CCA) Power Wire
  • 3" 4 AWG Black KCA Kable (CCA) Ground Wire
  • Inline fuse holder with 80A fuse
  • 5 Meter Bassik Twisted Pair OFC RCA Cable
  • 20 Feet Bassik 14 AWG CCA speaker wire
  • 5 Meter Blue Remote / Turn one wire
  • 2 gold plated 4 gauge ring terminals, 2 gold plated 4 gauge spade terminals
  • grommets and wire ties

How many watts can this amp kit handle? At KnuKonceptz, we do not use "watts" to rate our amp kits. This is a very inaccurate method to determine what the proper gauge wire required for your amp installation. Many amp manufactures do not represent the output of their product accurately in watts. Please refer to your amplifier"s fuse rating, this is a number a manufacture can not fake, well they could but it would put their product in harms way! Add up the fuses on the end of your amp (two 30A fuses = 60A total draw) If this number is under 80A, this kit will fit your application. If over 80A, a larger gauge wire would be required or use our Kolossus Flex 4 gauge amp installation kit.

Beware of "1600 Watt" amp kits that include a 50 or 60A fuse. Its physically impossible for these kits to support this load (refer to our comparison photo)

Do not use on loads over 100A, for this we recommend the KnuKonceptz Kolossus 4 Gauge amp kit, which uses Oxygen Free Copper.

KCA 4 Gauge - Oversized for higher loads vs other CCA cables


Our Kolossus Copper Aluminum (KCA) series cable was designed specifically to be larger than the competition. Copper Clad Aluminum is less conductive than Oxygen Free Copper when comparing like sized conductors. CCA however is also much less expensive. So by increasing the area in our KCA cable, KnuKonceptz was able to achieve similar performance to OFC, but without the higher cost.

For this exact reason is why our cable is larger, to achieve similar performance, for less money. The graph below shows, based on area, our cable is at least 40% larger than comparable brands.

Bassik Twisted Pair 2 Channel RCA Cable

Our Bassik RCA is just that, a straight forward design.

Bassik RCA Features include:

  • Oxygen Free Copper construction
  • Twisted Pair Geometry for noise rejection
  • Ultra Flex, soft touch PVC allows this cable to fit in tight places
  • Easy channel identification
  • Gold Plated RCA Connectors.

About KnuKonceptz KCA Power Wire and how it compares to other cables

  • Using American Wire Gauge standards, the gauge of stranded wire is determined by the total area of the conductor.
  • To calculate this you would take the area of each strand and add it together. This area, in square mm, then determines gauge.
  • Diameter is not as critical with stranded wire, this is due to the tiny air gaps between each strand. Diameter may fluctuate with strand size and how tightly wound the rope of the cable is.
  • The smaller the number, the larger the wire, until you reach zero or aught (0). From zero, you then have double aught (00), three aught (000) and so on.
  • Based on AWG, the true gauge of this cable is #3, larger than traditional 4 gauge

  • We"ve compared several popular 4 gauge amp kits from other manufactures. The above chart displays the manufacture and the calculated gauge based on area.
  • All cables tested were labeled as 4 gauge. The X axis indicates gauge by area and where each cable"s measurement placed itself on the American Wire Gauge scale.
  • Several brands barely reached the required area of 8 gauge.

Every KnuKonceptz amp installation kit clearly states these critical specs:

  • Wire type - CCA or OFC
These materials are commonly used, but not commonly stated when shopping online. Know what you are purchasing. Both metals are capable of performing up to their rated loads.
  • American Wire Gauge
Wire gauge is crucial to powering your system correctly. Undersized cable will create unsafe conditions and may shorten your amplifier"s life
  • Max Load (amps)
Wire"s ampacity changes with gauge and materials. KnuKoncept does not rate cable based on watts. Amplifier manufactures do not always truthfully state the output of their product, check your on board fuses!

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