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Harmony Audio HA-WR48 Car Stereo Power or Ground 4 to 8 Gauge Wire Reducer - Nickel

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Harmony Audio HA-WR48 Car Stereo Power or Ground 4 to 8 Gauge Wire Reducer - Nickel
Harmony Audio HA-WR48 Car Stereo Power or Ground 4 to 8 Gauge Wire Reducer - Nickel

Making the cable fit

So lets say you are on the last step on your amp install and you are getting ready connect the power and ground input at the amp and they don't fit! Until now you had the only option of just cutting down the copper stands in your expensive power cable eliminating a large amount of the potential current your amplifier could have received. Luckily the engineers at Harmony Audio have addressed this problem and we now offer wire reducers which go from either a 1/0 to 4 gauge size or 4 to 8 gauge size connector. Thanks to the one piece all metal nickel plated design there is no loss in current.


  • 4 to 8 Gauge Wire Reducer
  • Nickel Plated Finish
  • Ideal for Power or Ground Cable
  • Set Screw ensures Tight Connection
  • Flat Pin Connector at Amp Input
  • Ultra Conductive
This item is New
1 Year Manufacturer's Warranty
Proposition 65 Warning for California Consumers

WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

Ratings and Reviews


1 product ratings

Outstanding customer service

Feb 18, 2022

I ordered the wrong size reducer I contacted customer service and they went above and beyond to replace the reducer The replacement reducer arrived less than a week customer service stayed in contact with me during the whole process I truly appreciate it because nowadays once people get your information you’re just a number to them not with hi-fi sound they truly care about their customers I will surely do Business with them again

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Frequently Asked Questions for this Product:

When will my order ship?
Most orders placed before 3:00 PM CST will ship within 24 hours. If you need a product by a specific time please contact us at 1-877-275-4434 before ordering.
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How fast will I receive my product?
Depending on your location it may take 3-4 business days for your order to arrive. Your tracking number will tell you the exact day your order will arrive. If you need an order by a specific date we recommend you call us at 1-877-275-4434

Return Policy
You may return this item in its original condition within 30-Days for a refund, minus a 20% restocking fee, and minus any shipping charges we paid to get the item to you.