Description
4 AWG Battery Terminal with Integrated 2-Port Distribution Block 2× 4 AWG or 8 AWG. Positive or Negative. Custom Tooled Solid Brass, HPP Platinum Finish.
The Rockford Fosgate RFDB4 is a battery terminal with a built-in 2-port distribution block the 4 AWG counterpart to the RFDB1. Replaces the stock battery terminal and provides two direct wiring ports at the battery post, each accepting 4 AWG or 8 AWG wire. Usable as positive or negative terminal with the included sizing ring. Custom-tooled solid brass with HPP platinum finish.
Key Specifications
| Specification |
Detail |
| Part Number |
RFDB4 |
| Type |
Battery Terminal + Distribution Block |
| Total Ports |
2 ✓ |
| Port Gauge |
2 × 4 AWG or 8 AWG ✓ |
| Polarity |
Positive or Negative ✓ |
| Sizing Ring |
Included ✓ |
| Construction |
Custom Tooled Solid Brass ✓ |
| Plating |
HPP Platinum ✓ |
| Current Rating |
Not specified |
| Dimensions |
Not specified |
| Warranty |
Not specified |
Features & Benefits
-
2-Port Distribution at the Battery Post — Two 4 AWG or 8 AWG wiring ports directly at the battery terminal — suitable for smaller systems or secondary ground/power runs without a separate distribution block.
-
Positive or Negative — Sizing Ring Included — Same post sizing ring system as RFDB1 — one terminal suits both battery posts.
-
Custom Tooled Solid Brass + HPP Platinum — Corrosion-resistant high-current construction.
FAQs
How does the RFDB4 differ from the RFDB1? The RFDB1 has four ports (two at 1/0 or 4 AWG, two at 8 AWG) for high-power multi-amplifier systems. The RFDB4 has two ports (both 4 or 8 AWG) — suited to smaller systems or as a secondary terminal for ground distribution.
Does this replace my existing battery terminal? Yes — clamps directly onto the battery post.
Sold as individual unit? Yes — two required for complete positive and negative installation.
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Buying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that?
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