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 Car Amp Wiring Kit with Crystal SQ RCA Cables, Silver-Tinned, Gold-Plated Mini ANL Fuse Holder, Complete 2000W Installation Set for Car Audio Systems

Rockville RWK4CU 4 AWG 100% Copper Car Amp Wiring Kit with Crystal SQ RCA Cables, Silver-Tinned, Gold-Plated Mini ANL Fuse Holder, Complete 2000W Installation Set for Car Audio Systems

Product ID: 31172774

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Details

Item dimensions L x W x H
7.5 x 7.5 x 3
Voltage
600 Volts
Manufacturer
Audiosavings
Brand
Rockville
Number of Channels
2

⚡Supports up to 2000W power

🔌4 AWG pure copper wiring

🛡️Gold-plated Mini ANL fuse holder

Description

🎧 Elevate your ride’s sound with power and precision that’s impossible to ignore!

BUILT TO ENDURE - SuperFlex PVC jacket resists heat, vibration, and harsh conditions—marine-grade durability included.
UPGRADE BEYOND CCA - Silver-tinned copper outperforms copper-clad aluminum for superior current flow and corrosion resistance.
CRYSTAL CLEAR AUDIO - Triple-shielded Crystal SQ RCA cables reduce noise for pristine sound clarity.
PURE POWER DELIVERY - 100% oxygen-free silver-tinned copper with 1862 strands ensures max conductivity and zero power loss.
PLUG PLAY PERFECTION - Complete kit with power, ground, remote wires, terminals, and zip ties for effortless installation.

The Rockville RWK4CU is a premium 4 AWG car amplifier wiring kit featuring 100% oxygen-free silver-tinned copper cables designed for up to 2000W systems. It includes a full installation set with gold-plated Mini ANL fuse holder and Crystal SQ RCA cables for high-fidelity audio. Engineered for durability and superior conductivity, this kit ensures clean power delivery and noise-free signal transfer, making it the ultimate upgrade for serious car audio enthusiasts.

Specifications

Item dimensions L x W x H	7.5 x 7.5 x 3 inches
Voltage	600 Volts
Manufacturer	Audiosavings
Brand	Rockville
Number of Channels	2
Package Type Name	box
Material	Copper
Global Trade Identification Number	00811080023014
UPC	811080023014 613815618218
Item Weight	5 pounds
Product Dimensions	7.5 x 7.5 x 3 inches
Item model number	RWK4CU
Is Discontinued By Manufacturer	No

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Rockville RWK4CU 4 AWG 100% Copper Car Amp Wiring Kit with Crystal SQ RCA Cables, Silver-Tinned, Gold-Plated Mini ANL Fuse Holder, Complete 2000W Installation Set for Car Audio Systems

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Description

Specifications

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