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Title: Excellent electrical shielding
Review: These were purchased because I was getting a really annoying high frequency whine coming out of my amplifier. I had determined that the cause of the noise was a cheap set of rca cables that I was using.Once I installed these cables the problem was gone. These are passing through a rats nest of cables and wires, as well as running right next to a UPS inverter, before connecting to the back of my computer. Very good isolation, no interference leaking in at all.Very good build and materials quality. I am happy with this purchase and will be getting more of these as the need arises.
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