Portable recorder handheld recorder recording tracks 2 max sample rate 192 khz bitrate 24 bit total memory size 128 gb memory type flash storage media securedigital xc sdxc internal memory recording formats dsd mp3 wavpcm playback formats wma flac aac audiokompression 128 320 kbps mp3 aufnahme operating time 21 h frequency response 20 30000 hz signal noise ratio 100 db