Specifications and appearances are subject to change without any notice or obligation on the part of the manufacturerRecording ModesRecording format WMA / MP3,LP 492hSP 247hHQ 125hSTSP 125hSTHQ 62h 30minSTXQ 31h320 kbps 12h 30min256 kbps 16h192 kbps 21h128 kbps 32hPCM (DM-550 only)48kHz (DM-550 only)Playback ModesPlayback format PCM (WAV) / MP3 / WMASampling frequencyPCM (DM-550 only)WMA 8 - 44.1kHz / 5 - 256kbpsMP3 8 - 44.1kHz / 8 - 320kbpsFrequency response48kHz (DM-550 only)44.1kHz (DM-550 only)STXQ 40 - 19.000HzSTHQ 40 - 16.000HzSTSP 40 - 9.000HzHQ 40 - 13.000HzSP 40 - 8.000HzLP 40 - 3.000Hz320 kbps 40 - 20.000Hz256 kbps 40 - 20.000Hz192 kbps 40 - 19.000Hz128 kbps 40 - 17.000HzRecord functionIndex Up to 16 per fileOperationAuto recording VCVA recordingTimer recordingSound control Rec MonitorLow Cut-FilterZoom Mic. Setting (DVM)Advanced recording Direct recordingPlayback functionPlayback speed Adjustable (50 - 200%)Playback control Cue/ReviewFile operation Fast forward and rewindSkip PlaybackRepeat functions Repeat playbackAutomatic playback Alarm playbackContinuous playbackRandom playbackSound enhancement Noise canceling functionVoice FilterEUPHONYData organisationNo. of folders for Voice 5Files per folder 999Folder Audible 1Temp mark YesFile move YesFile divide NoFile Copy (Folder to Folder) YesFile Copy (internal memory -external memory)YesFolder Podcasts 1Erase Erase all filesErase single filesWorkflow functionAuthor ID Setting NoPending File NoPriority setting NoWorktype ID Setting NoOther FeaturesAudible support Yes (advantages: onefile, bookmark function,chapter marks, speechoptimized compression,additional informations liketitle description, authorinformations)Podcast support YesVoice feedback / guidance YesRemote Control RS-30W (optional)Softwarecorresponding Audio software(type)Audio Management SoftwareCorresponding Audio software(name)Sonority