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Title: Quality Issues
Review: We've returned one of these units only to find that the replacement has the same issue with poor manufacturing quality. The 1/8" jack on the body of the mute is loose. This creates a loud 'pop' through the line. If you're listening through headphones -- the whole point of this product -- you'll be treated to a painfully loud series of cracks and pops whenever the cord moves. The mute otherwise works as advertised.
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