Instruct: Classify Amazon reviews into positive or negative sentiment
Query: KILLER TONE-KILLER ECONOMY PRICE!!!

A stereo flanger for under $40. bucks???Unreal. Unreal that this pedal is low noise, twin stereo output (to your second amplifier), controls that REALLY WORK to dial in your sound.I've tried the BEST and THE WORST phasers made. This one KICKS (in stereo)for under $40..........Unreal!!!