While the design/styling of these 'phones say "Sennheiser", their quality screams something more like "Chinese mass production junk!" Having had several wireless headphones in the past, I thought I was aware of their, um, limitations regarding fidelity; however, these RS-110s are a quantum leap backward. Not only is their sound quality mediocre at best, these cans can only capture that moment -- such as it isn't -- sporadically. Most of the time the signal is drifting in and out in a unbelievable fog of noise and istortion. Worse, the "3 selectable RF channels" turn out to be less a feature than a devil's bargain: you'll constantly be channel surfing and laboriously retuning in the vain hope that reception just has to be better somewhere else. It isn't.
BTW I'm no Sennheiser basher. If anything, I am a loyal user. The only 'phones I use on a regular basis are Senns. Just not these.
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