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Review title: works fine
Product review: Works well, as described. The only effect I noticed was that higher frequencies seem to be boosted when the cancelling is turned on. Might be my imagination, or maybe its because they can cancel low-frequency noise only. There is definitely some kind of amplifier in it, since it sounds so much louder when enabled. Our issue is street noise, and interestingly you still hear it, just hear what you want as well very clearly. This is a good value.
