Gravity

Gravity BGR-KIT4-B-PK2-3000W 4 Gauge Amplifier Installation Kit

4.4 (567 reviews)
3000W

A complete 4-gauge wiring kit that delivers everything you need to install a car audio amplifier up to 3000 watts.

$36.95*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Gravity BGR-KIT4-B-PK2-3000W is a complete 4-gauge amplifier installation wiring kit designed to simplify the process of connecting an aftermarket amplifier to your vehicle's electrical system. The kit includes 17 feet of 4-gauge power cable, 3 feet of 4-gauge ground cable, a 17-foot double-shielded RCA interconnect cable, a 17-foot 18-gauge remote turn-on wire, and 20 feet of 16-gauge speaker wire. An inline ANL fuse holder with a 200-amp fuse is included for circuit protection, and all necessary ring terminals, connectors, and mounting accessories come in the box so there is no need for additional hardware purchases.

This kit is rated for systems up to 3000 watts and is suitable for use in cars, trucks, motorcycles, RVs, and ATVs. The double-shielded RCA cable is a notable inclusion, as shielding helps prevent engine noise and electromagnetic interference from degrading the audio signal between your head unit and amplifier. The blue-colored cabling gives the installation a clean, coordinated appearance. Whether you are a DIY enthusiast tackling your first amp install or a seasoned installer looking for a cost-effective wiring solution, this kit provides the essential components needed to get an amplifier up and running with a single purchase.

Key Features

High quality thick 17 feet ft 4 gauge GA power cable

Premium 3 feet ft 4 gauge GA ground cable/ inline anl fuse holder & 200a fuse included!

True sound 17 feet ft Double shielded RCA cable

High quality 17 feet ft/ 18 ga turn-on cable & 20 feet ft/ 16 ga speaker wire

All accessories/ terminal included! Perfect for any installer shop, great for car/ truck/ motorcycle/ RV/ ATV

Specifications

Brand
Gravity
Model
BGR-KIT4-B-PK2-3000W
Wire Gauge
4 AWG
Maximum Output Power
3000 Watts
Power Cable Length
17 feet (4 gauge)
Ground Cable Length
3 feet (4 gauge)
RCA Cable Length
17 feet (double shielded)
Turn-On Cable
17 feet (18 gauge)
Speaker Wire
20 feet (16 gauge)
Fuse
200A ANL with inline holder
Color
Blue
Dimensions
3"D x 7"W x 10"H
Weight
2 Pounds

Pros & Cons

👍 Pros

  • Comprehensive all-in-one kit eliminates the need to purchase individual wiring components separately
  • Double-shielded RCA cable helps reduce unwanted noise and signal interference
  • Includes a 200A ANL fuse and holder for reliable overcurrent protection
  • Generous 17-foot power cable length accommodates most vehicle layouts without splicing
  • All necessary terminals and accessories are included for a complete installation

👎 Cons

  • 4-gauge wire may be undersized for amplifier systems that truly draw close to 3000 watts continuously
  • Ground cable at only 3 feet may be too short for some installation locations
  • 16-gauge speaker wire is relatively thin for high-power subwoofer connections
  • Cable quality and flexibility may not match higher-end installation brands
  • No detailed installation instructions included for beginners

Frequently Asked Questions

This kit is designed for use in cars, trucks, motorcycles, RVs, and ATVs — essentially any vehicle where you need to wire an aftermarket amplifier.
Yes, it includes an inline ANL fuse holder with a 200-amp fuse to protect your electrical system and amplifier.
The power cable is 17 feet of 4-gauge wire, and the ground cable is 3 feet of 4-gauge wire, which is sufficient for most standard vehicle installations.
Yes, the included 17-foot RCA cable is double-shielded to minimize noise and interference in the audio signal.
Yes, it includes 20 feet of 16-gauge speaker wire along with all necessary terminals and accessories.