Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: RCA RP5400

I first time I used the alarm, it was so loud I flew out of bed. It was not that loud when I set it the night before. So, after many attempts of trying to control the volume for the alarm, the next morning I didn't hear the alarm at all! Never woke up, was late for work. I spent an hour turning the knob up then turning it down and there is not a gradual increase or decrease in sound. So, after two weeks of playing with the volume control, it's going back! I have had enough.