Instruct: Classify a review into positive or negative sentiment.
Query: Don't waste your time.

I bought these from amazon, worked right of the box for about a week. Then the left speaker went out on me. When they were on, there was a distinctive hum that was quite annoying. I called their tech support and they sent me a new set after I sent me my old ones. Well, I have had them for about three days and the new left speaker crackled like it was busted. No matter what I tried, it still hae the crackle. I changed it to all three channels, nothing helped. Now that speaker won't turn on.Rated one star because a 0 is not an option.