inputs.text: hissless headphones - bought headphones based two things not wanted rf phones not like high em radiation level head close transmitter model not hiss phones sounds terrific especially connected optical digital input 51 signal sent decoder disagree previous reviewer nonadequate low frequency reproduction phones enough medium low frequency responses hurt ears volume loud enough heshe might defective model make sure signal input switch set ` 0 dec default ` 8 reduce strong input signal love phones hear faint music conversation background somebody shoot weapon foreground nice channels separation also infra red headphones hiss signal weak technology limitation tried sony panasonic solved problem headphones no hiss important watching movie listen music several hours not buy cheap 69 doll radioshack phones wont able reproduce high frequencies better spend 200 doll get panasonic disadvantage found careful putting phone back cradle takes training put right recharging pins lastly buy dts dolby digital decoding headphones listen music cheap sound card laptop get pseudo stereo though decoder phones designed provide best sound quality digital signals dvd players digital receivers connected mine optical cable optical output sony digital receiver movies \\lord ring\\ sounds life like real