Instruct: Classify the given Amazon review as either positive or negative.
Query: Smoke and Mirrors

I've had a few days of listening time with this "great" new speaker wire installed and I must say I am thoroughly disappointed. Between my wife and I playing several different DVD's and CD's we have not been able to hear any differences. This is in comparison to the 16 gauge bulk cable I've had installed for the year I have had my surround sound system...