Metra Electronics R4BK4-100

When installing an aftermarket amplifier in a mobile audio system, having a reliable, all-inclusive wiring kit is essential for safe power delivery, clean signal transfer, and optimal electrical protection. Manufactured by Metra Electronics—the gold standard in 12-volt installation accessories—the 100-Watt Amplifier Installation Kit (Part No. R4BK4-100) is engineered specifically to provide every necessary cable, fuse holder, and connector required to wire entry-to-mid-level amplifiers safely and efficiently.

Comprehensive Kit Architecture and Component Quality

The R4BK4-100 kit is meticulously curated with high-grade copper-clad aluminum (CCA) wiring and dependable hardware components:

• Power and Ground Cabling: Includes pre-terminated red power wire and black ground wire designed to handle low-current electrical loads up to 100 watts safely.

• Signal and Remote Interconnects: Equipped with high-clarity RCA patch cables for signal transfer from the head unit, alongside dedicated blue remote turn-on wire.

• In-Line Fuse Protection: Features a heavy-duty fuse holder fitted with a matching automotive fuse to safeguard the vehicle’s electrical system against short circuits.

Key Features and Included Components

Deploying the Metra R4BK4-100 installation kit in your audio setup delivers major operational advantages:

1. All-In-One Convenience Package

Supplied with all essential installation hardware in a single box:

• Power wire (Red) and Ground wire (Black)

• RCA audio interconnect cables

• Remote turn-on wire and speaker wire

• In-line fuse holder with fuse

• Wire ties, ring terminals, spade connectors, and grommets