4 Gauge Amp Wiring Kit True 4 AWG Amplifier Installation - Complete

In this review the LEIGESAUDIO 4 Gauge Amp Wiring Kit is evaluated for DIY car audio installers who need a single kit to power an amplifier and connect subwoofers and speakers. The bottom line: it is a practical, value-oriented kit with true 4 AWG CCA power and a full set of cables and a fuse holder, making it a strong choice for weekend installers and budget builds who want reliable power delivery without buying individual components.

Key Features

• True 4 AWG power cable: The 20ft true 4 AWG CCA power cable provides a heavy gauge run for most single-amplifier installs and keeps voltage drop lower on longer runs.
• Ground and speaker wiring included: A 3ft 4 AWG CCA ground cable plus 18ft 16 AWG speaker cable let you complete grounding and speaker runs without sourcing extra wire.
• Noise-resistant RCA: The 17ft twisted OFC RCA cable uses oxygen free copper to reduce interference and keep the signal path cleaner for subwoofer preamp connections.
• Remote turn-on and accessories: A 17ft 18 AWG turn-on wire plus connecting terminals and accessories simplify hookup and routing during installation.
• ANL fuse protection: The included ANL fuse holder with an 80 amp fuse gives clear protection against electrical shorts and is easy to mount near the battery.

Who It's For

The kit suits car audio hobbyists and installers who want a single, economical package for powering one amplifier and wiring subs and speakers. It is helpful for builds in sedans, hatchbacks and many trucks where a 20ft power run and 3ft ground are appropriate.

Those who need ultra-short custom lengths, pure copper power conductors, or a larger fuse for high-power multi-amp systems should look elsewhere; this kit uses CCA with a 30% OFC component and includes an 80 amp fuse, which fits mid-range installs rather than high-current professional builds.

Pros & Cons

Pros

• Complete package: power, ground, speaker, RCA, turn-on wire and a fuse holder reduce extra shopping.
• True 4 AWG CCA power cable gives solid current capacity for single-amp systems and long runs.
• Twisted OFC RCA reduces noise for cleaner subwoofer signal delivery.
• Good value: customers report the kit offers quality and ease of installation for the price.

Cons

• Hardware and lengths: some users report the included hardware is limited and wire lengths may not fit every vehicle layout.
• CCA conductor: while enhanced with 30% OFC, pure copper fans should choose full copper cable for maximum conductivity.

Specifications

Power cable	20ft true 4 AWG CCA (with 30% OFC)
Ground cable	3ft 4 AWG CCA
Speaker cable	18ft true 16 AWG CCA
RCA cable	17ft twisted OFC RCA
Turn-on wire	17ft 18 AWG
Fuse holder	ANL fuse holder with 80 amp fuse
Accessories	Connecting terminals and installation accessories included

Our Verdict

The LEIGESAUDIO 4 Gauge Amp Wiring Kit is a pragmatic choice for DIY installers who want a single kit that covers power, ground, speaker, RCA and protection. Its true 4 AWG CCA power lead and OFC RCA deliver reliable performance for mid-range single-amplifier systems, and the included fuse holder simplifies safe installation, making it a good value for most hobbyist builds.

Frequently Asked Questions

Is the power wire pure copper?
The power cable is CCA with a 30% OFC component, not full pure copper; it offers improved conductivity over plain CCA but is not pure copper.

Will this kit support a single 1000W amp?
It is suitable for many single-amp installs; the 4 AWG CCA and 80 amp fuse fit mid-range systems, but very high-output amps may require heavier conductors or different fuse sizing.

Does the kit include mounting hardware?
The kit includes connecting terminals and accessories, though some customers note additional hardware may be needed depending on vehicle specifics.