Common headphones with a standard audio profile, suitable for a variety of listeners. The low end is "swelled" to a very noticeable degree. There's a slight dip in the middle there. As would be anticipated, though, things go horribly wrong while operating in the HF spectrum. Sharp ridges emerge from the head and slash across the ears. No one would want to hear this. Although I have no data on their longevity as of yet, I would guess that a year would pass if you took good care of them. Some worry that the wire won't make it through the winter. There was no noticeable improvement after warming the headphones.
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