2 of 2 people found the following review helpful:
DC Line Noise Filter (20 Amps max) with Powerpole connectors
By Tom M.
from Sierra Vista
I installed a Yaseau FT-1900R in my 2012 Jeep only to find I had a pretty bad alternator whine that became louder as I revved the engine but was perfectly quite when the engine was off. I purchased the filter from the Phoenix HRO and immediately installed it thinking it would make it a little better. There is not any alternator whine what so ever now. Great product.
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