Expert Service 1-877-289-7664 [Hours]


Did you know that we price match?

It is important that you always get the best price. Call us at 1-877-289-7664 for our best price on this item or check out our coupons page for great deals!

Rockford Fosgate RFDB1- OPEN BOX

Positive/Negative Battery Terminal w/ Platinum Finish. (2) 1/0 AWG/4 AWG Input (2) 8 AWG inputs.

We apologize

This item has been discontinued

Get FAST answers from customers ASK a Question See questions answers

Product Features:

  • 4 AWG or 1/0 AWG Positive-Negative Battery Terminal
  • Product is Open Box
    • No Beauty Box
  • Custom tooled brass for best connection
  • HPP plating for excellent corrosion resistance
  • Strong plastic casing for style and durability
  • 1-year Warranty

Battery Terminal Specifications

The primary material used in this accessory. For optimal current transfer & durability, brass is generally preferred. You will often find products that are plated with chrome or other materials, which helps prevent corrosion and enhances the appearance of the product.

Specials with this Item

Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating

Browse 3 questions and 10 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
Easy Install for BIG 3
Sal C on Jul 12, 2016
Quality battery terminal connection.
Jason C on Oct 24, 2014
cleaner look rather than ring term
steve b on Jun 21, 2016
Are the positive and negative terminals the same? I see they are sold individually just want to make sure im ordering correct part number for positive and negative.
Davidarod93 on Oct 1, 2015
Best Answer: Yes the positive and negatives are the same and fit and hold my 0 gauge wire securely. The rockford terminals are heavy duty and fit my battery posts perfectly. You can never go wrong with anything fosgate.
Reply · Report · Mark O on Oct 2, 2015
· Add Answer · I Have This Question Too (0)
Does it come with one or two in a pack?
A shopper on Mar 23, 2015
Best Answer: Hello the RFDB1 comes with only one in a pack. Fits the battery terminal tight and looks nice and clean when you pop the hood.
Reply · Report · Mark O on Mar 23, 2015
· Add Answer · I Have This Question Too (0)

Product Summary


Model Number




Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Rockford Fosgate RFDB1- OPEN BOX