Crutchfield Amp Wiring Kit 4 Gauge Dual Amp - Clean Dual Power

In this review of the Crutchfield Amp Wiring Kit 4 Gauge Dual Amp the bottom line is simple: this kit is for DIY car audio installers who need a reliable, tidy way to power two amplifiers. It stands out because the kit uses oxygen-free copper conductors that meet ANSI and CEA standards and includes a fused brass mini-ANL holder with two 50A fuses for essential circuit protection. The package aims to deliver safe, efficient power distribution for two Class AB amps up to the kit's recommended combined output.

Key Features

• Oxygen-free copper wires: Provide lower resistance and corrosion resistance for cleaner power delivery to amplifiers.
• Brass mini-ANL fuse holder: Keeps the main power protected and offers a durable connection point for the battery feed.
• Two 50A fuses (100A total): Protects each amplifier branch and reduces the risk of dangerous short circuits during faults.
• Fused distribution block: Organizes power runs for two amps and helps keep the installation neat and serviceable.
• CEA and ANSI compliant: Meets industry wiring standards so installers can rely on predictable performance and safety.

Who It's For

This kit suits car audio enthusiasts installing two Class AB amplifiers with a combined RMS output within the kit's design limit, or anyone who wants a straightforward, fused distribution for dual-amp systems. It is especially useful for DIYers who prefer a tidy engine bay or trunk wiring job and who value components that meet industry standards.

Those who should look elsewhere include installers planning to run extremely high-power Class D systems or combined outputs well above the kit's rated capability, and buyers who need RCA patch cables or speaker wire, since those items are not included with this wiring kit.

Pros & Cons

Pros

• High-quality oxygen-free copper conductors for dependable power transfer and long-term reliability.
• Durable brass mini-ANL fuse holder and two 50A fuses provide practical branch protection for dual amps.
• Fused distribution block keeps wiring organized and simplifies troubleshooting and future upgrades.

Cons

• Does not include RCA patch cables or speaker wire, so additional purchases may be required for a complete install.

Specifications

Brand	Crutchfield
Wire gauge	4 gauge
Conductor type	Oxygen-free copper
Fuse type	Brass mini-ANL holder
Fuse rating	Two 50A fuses (100A total)
Standards	Meets ANSI and CEA standards
Intended amps	Two amplifiers (Class AB up to combined ~700 watts RMS)

Our Verdict

The Crutchfield 4 Gauge Dual Amp kit is a practical, standards-compliant solution for powering two Class AB amplifiers with a combined moderate RMS output. It pairs reliable oxygen-free copper wiring with a fused distribution block and solid brass fuse holder, making it good value for installers who want a neat, protected dual-amp power setup - just plan to buy RCAs and speaker wire separately if needed.

Frequently Asked Questions

Does this kit include speaker wire or RCAs?
No. The kit contains power wiring, fused distribution and fuses only; RCA patch cables and speaker wire must be purchased separately.

What total fuse rating does the kit provide?
The kit includes two 50A fuses in a brass mini-ANL holder, giving 100A of total fused protection across the distribution.

What amplifier types is this kit designed for?
It was designed to support two Class AB amplifiers with a combined output up to the kit's recommended RMS level.