 Newer canalphones can be driven by the less powerful outputs found on portable music players    . Design variety For music storage, digital formats offer an absence of clicks, pops, wow, flutter, acoustic feedback, and rumble, compared to vinyl records.
<meaning-changed>  Newer canalphones can be driven by the less powerful outputs found on portable music players    . Design variety For music storage, digital formats offer an absence of clicks, pops, wow, flutter, acoustic feedback, and rumble, compared to vinyl records.
 Newer canalphones can be driven by the less powerful outputs found on portable music players Although many audiophile techniques are based on objective criteria that can be verified using techniques like ABX testing, perceived sound quality is necessarily subjective, leading to some more controversial audiophile techniques being based on pseudoscientific, magical or paranormal principles . Design variety For music storage, digital formats offer an absence of clicks, pops, wow, flutter, acoustic feedback, and rumble, compared to vinyl records.