
I bought these to replace what I think was a cheaper version of the same. Turns out the electronics discount store in the US has better quality. They added a noticeable hum to the sound system. Usage: I use them to connect the receiver and the line from the subwoofer. The old "cheap" product has no hum, it adds a hum that is very noticeable above 30 percent subwoofer volume. I do not recommend them for audio applications.

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