Cowon Plenue M (PM) High Resolution 64GB Music Player. If you want true original HD sound you are going to need a 24bit / 192KHz sound source. The Cowon Plenue M is one of the best Hi Res Music Players available, featuring the exceptional Burr-Brown PCM1795 Audio DAC for superb sound quality. And buy this Cowon Plenue M (PM) High Resolution 64GB Music Player Now £540.00.