I heard that the ground cable was cca is that true?

When I purchased the kit in August 2017, both power and ground wires were OFC.

Several people say this is not true OFC that it's actually CCA. Who's telling the truth here???

The kit I purchased in July 2017 was definitely OFC copper cable, true 4 ga (NOT 6 ga with extra thick insulation to make it look like 4 ga). Maybe they switched to Copper clad aluminum sometime after that.....

Is this 100% ofc? i dnt want cca.

Yes, the ground wire is tinned OFC, the power wire is pure copper, 1911 strands. The speaker wire is also OFC, the RCA patch cables are OFC twisted pair. Grab some furrels and good copper 4awg crimp lugs and dual wall heatshrink for and good install

Oxygen Free Copper. Copper and aluminum are the most commonly used wire materials and there is a significant difference in quality, power handling and signal transfer between these materials. The least costly between these 2 options is Copper-Clad Aluminum (CCA) wire. CCA wire utilizes an aluminum core that is clad or dipped in copper. It is a suitable choice for lower powered systems or restricted budget applications, although the power transfer is not on the same level as the far superior Oxygen Free Copper (100% OFC) wiring. OFC wiring is refined to remove virtually all oxygen and other corrosive elements. it’s ideal for wiring, however this product is a little misleading. Not all of it is OFC. Check out my review for more info.

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Rockville RWK4CU 4 AWG 100% Copper Amp Installation Wire Kit, High Conductivity, Durable PVC Jacket, Complete Accessories, for Car Audio Enthusiasts

Product ID: 375776105

Details

Brand
Rockville
Connector type
Ring Terminals
Item dimensions L x W x H
19.1 x 19.1 x
Item weight
5 Pounds
Material
Copper

🔌100% Oxygen-Free Copper for max conductivity

🔥Durable PVC jacket withstands -40 to 220°F

🛠️Complete kit with all installation accessories

25695 som

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Description

🎧 Power your ride with pure copper precision—because your sound deserves the best!

UPGRADE BEYOND CCA - Say goodbye to unreliable copper-clad aluminum—this pure copper kit guarantees superior current flow and long-term reliability for serious car audio enthusiasts.
PURE OFC COPPER POWER - Experience zero power loss with 100% oxygen-free copper wiring delivering clean, stable power up to 1200W—your amp’s new best friend.
ALL IN ONE INSTALLATION KIT - Get everything you need—power, ground, remote wires, fuse, terminals, and zip ties—for a seamless, professional-grade setup without the hassle.
AUDIOPHILE GRADE SIGNAL CLARITY - Twisted pair 100% copper RCA cables reduce interference and noise, ensuring crystal-clear sound that makes your car audio system stand out.
RUGGED FLEXIBILITY MEETS DURABILITY - Soft abrasion-proof PVC jacket offers 100% improved flexibility and extreme temperature resistance, perfect for tight spaces and harsh automotive environments.

The Rockville RWK4CU is a premium 4 AWG amplifier installation wire kit featuring 100% oxygen-free copper wiring for maximum conductivity and minimal power loss. Designed for car audio enthusiasts and professional installers, it includes a complete set of power, ground, and remote wires, a 100A AGU fuse with holder, terminals, and zip ties. Its rugged PVC jacket offers exceptional flexibility and temperature resistance (-40 to 220°F), ensuring durability in harsh automotive conditions. Superior to copper-clad aluminum alternatives, this kit delivers reliable, clean power for amplifiers up to 1200W, enhancing sound quality and installation ease.

Specifications

ASIN	B019Z3RCG2
Best Sellers Rank	#44,935 in Electronics ( See Top 100 in Electronics ) #35 in Car Amplifier Power & Ground Cable
Brand Name	Rockville
Connector Type	Ring Terminals
Customer Reviews	4.6 4.6 out of 5 stars (935)
Global Trade Identification Number	00811080023014
Included Components	Power Wire^Ground Wire^Speaker Cable^Rca Cable^Remote Turn on Wire^Fuse and Fuse Holder^Wire Loom^Installation Hardware
Item Dimensions	19.1 x 19.1 x 7.6 centimeters
Item Weight	5 Pounds
Manufacturer	Audiosavings
Material Type	Copper
Model	RWK4CU
Number of Items	608
Number of Packs	1
Part Number	RWK4CU
UPC	811080023014 613815618218
Unit Count	1 Count
Wire Diameter	0.21 Inches

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25695 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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