Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Poor sound quality

I was very disappointed with the sound quality, which can only be described as "muddy". Sony appears to have favored the bass with these earbuds thus high frequencies are attenuated. I did a side-by-side comparison between the Sony earbuds and a pair of $15 JVC earbuds using both my phone and an MP3 player. Five out of Five people felt the JVC earbuds were much better, and all five would not buy the Sonys. Unfortunately with a 50% restocking charge and return shipping it isn't worth returning these - $35 out the window. Hopefully others will learn from my mistake.