DS-55 - Specifications
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SpecificationsBox ContentsAccessories
Storage Media
  Internal / Removable Mediaonly Internal
  SD / SDHC cardNo
  microSD / microSDHC cardNo
  Internal memory1 GB
USB functionality
  USB storage classYes
Display
  Display BacklitYes
Recording Mode
  Recording formatWMA (recording), WMA / MP3 (playback)
  LP260 h 20 min
  SP130 h 50 min
  HQ66 h 20 min
  STSP66 h 20 min
  XHQ33 h 10 min
  STHQ16 h 30 min
Sampling frequency
  STXQ44.1 kHz / 128 kbps
  STEREO HQ44.1 kHz / 64 kbps
  STEREO SP22 kHz / 32 kbps
  HQ44.1 kHz / 32 kbps
  SP22 kHz / 16 kbps
  LP8 kHz / 8 kbps
Frequency response
  STXQ50 - 19.000 Hz
  STHQ50 - 16.000 Hz
  STSP50 - 9.000 Hz
  HQ50 - 13.000 Hz
  SP100 - 8.000 Hz
  LP100 - 3.000 Hz
Record function
  Noise canceling functionYes
  Rec MonitorYes
  Zoom Mic. Setting (DVM)Yes
  VCVA recordingYes VCVA (voice activation) for hands free recording
  IndexUp to 16 in one file
  Voice filterYes
  Erase functionall / single / lock file
  Low-cut filterYes
Playback function
  EUPHONYYes
  Cue/ReviewYes
  Alarm playbackYes
  Fast forward and rewindYes
  Playback speedAdjustable (50 - 200%)
  Skip PlaybackYes
  Repeat playbackYes
  Continuous playbackYes
Data organisation
  Folder voice5 + Music (variable)
  Files per folder200 / Variable (Music)
  Temp markYes
  Folder Audible1
  File moveYes
Other Features
  Audible supportYes
  Podcast supportYes
  Voice feedback / guidanceYes
  Remote ControlYes
Interfaces Input
  Microphone sensitivityDictation / Conference / Lecture
  Microphone jack3.5 ø mm / Impedance, 1.4 kΩ
  PC interfaceUSB Cable
  MicrophonesPlug-in microphone
Interfaces Output
  SpeakerBuilt-in ø23 mm round dynamic speaker
  Max. working output250 mW or more (8 Ω speaker)
  Earphone jack3.5 ø mm jack, impedance 8Ω or more
Power Supply
  Power Supply2 x AAA Batteries, Plug-in power system
  Alkaline battery lifeRecording: 32 h
Playback: Approx. 28 h
Dimensions
  Weight80 g (incl. alkaline batteries)
  WxHxD111 x 37.5 x 16 mm (with microphone)
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