Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Serious Dock/Vol Problems, Lousy Remote

I was very happy with the unit (almost Hi-Fi sound) for several months, despite the ridiculous remote and the fiddly vol/subwoofer/power controls on the docking unit. Then the docking unit started to malfunction. When you spin the vol control and/or push the sub woofer button, the sound either cuts out or alternates from speaker to speaker or blasts so loud that it threatens to either deafen you or blow the speakers. Internet seraches indicate that this is a widespread problem requiring new docking units.