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Review title: HUM X
Product review: I bought this item to break the feedback we were getting with a powered speaker that was picking up a nearby radio station. The building we are in has an electrical system that seems to be acting as an antenna that picks up the local radio station. Although faint, just hearing this broadcast while trying to use the speaker is anoying enough that it causes us to turn off the speaker. The Hum X was supposed to break such interfearance (or so I thought) but it hasn't fixed our problem.
