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RFDB4 – Rockford Fosgate – 4 AWG Positive/Negative Battery Terminal

Only 3 left in stock

Platinum plated battery terminals allowing for both a positive or negative connection utilizing the supplied sizing ring. Terminals allow for multiple wire size inputs. Positive/Negative battery terminal, platinum finish. (2) 4 AWG/8 AWG inputs.

  • Custom tooled solid brass
  • HPP plating for superior corrosion resistance
  • 1 Year Warranty
Estimated delivery dates: Jul 14, 2026 - Jul 19, 2026

Overview

The Rockford Fosgate RFDB4 is a high-performance car audio battery terminal clamp featuring a built-in dual-output distribution block. It is uniquely engineered to serve as either a positive or negative terminal connector, cleanly branching out battery power or ground signals directly to secondary distribution setups or amplifiers.

Specifications

Custom tooled solid brass
HPP plating for superior corrosion resistance
1 Year Warranty

Key features

Designed to work on either the positive or negative battery post. It uses an included metal sizing ring insert to tightly adapt down to the slightly smaller negative post diameter when needed. Natively accepts 4 AWG bare wire. It includes removable internal reducer adapters to cleanly accept 8 AWG wire without loose strands. Machined out of custom-tooled solid brass to ensure ultra-low electrical resistance and peak power flow.