DM-450 - Specifications
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SpecificationsBox ContentsAccessories
Classification
  Product ClassDigital Notetaker with PC Connection
  Mobile / Stationarymobile and stationary
Storage Media
  Internal / Removable MediaInternal + Removable
  SD / SDHC cardNo
  microSD / microSDHC cardYes
  Internal memory2 GB
USB functionality
  USB SpeedUSB 2.0 High Speed
  USB storage classYes
  USB Audio ClassYes
  USB HIDYes
Display
  Display TypeFull Dot Matrix Display
  Display Size27.3 x 28.5 mm / 1.56 ''
  Display colourWhite
  Display BacklitYes
Device operation
  Main SwitchPush
  Power switchYes
  Programmable button2
  HOLD switchYes
Recording Modes
  Recording formatWMA / MP3
  LP492 h
  SP247 h
  HQ125 h
  STSP125 h
  STHQ62 h 30 min
  STXQ31 h
  320 kbps12 h 30 min
  256 kbps16 h
  192 kbps21 h
  128 kbps32 h
  PCM(DM-550 only)
  48kHz(DM-550 only)
Playback Modes
  Playback formatPCM (WAV) / MP3 / WMA
Sampling frequency
  PCM(DM-550 only)
  WMA8 - 44.1kHz / 5 - 256kbps
  MP38 - 44.1kHz / 8 - 320kbps
Frequency response
  48kHz (PCM)(DM-550 only)
  44.1kHz (PCM)(DM-550 only)
  STXQ40 - 19.000 Hz
  STHQ40 - 16.000 Hz
  STSP40 - 9.000 Hz
  HQ40 - 13.000 Hz
  SP40 - 8.000 Hz
  LP40 - 3.000 Hz
  320 kbps (MP3)40 - 20.000 Hz
  256 kbps (MP3)40 - 20.000 Hz
  192 kbps (MP3)40 - 19.000 Hz
  128 kbps (MP3)40 - 17.000 Hz
Record function
  New buttonNo
  Rec MonitorYes
  Manual Rec level controlNo
  VCVA recordingYes
  IndexUp to 16 per file
  Erase all filesYes
  Erase single filesYes
  Partial EraseNo
  OverwriteNo
  Direct recordingYes
  Timer recordingYes
  Low Cut-FilterYes
  Zoom Mic. Setting (DVM)Yes
  Verbal annotations (up to 32 per file)No
Playback function
  Noise canceling functionYes
  Voice filterYes
  Playback speedAdjustable (50 - 200%)
  Cue/ReviewYes
  Fast forward and rewindYes
  EUPHONYYes
  Skip PlaybackYes
  Alarm playbackYes
  Repeat playbackYes
  Continuous playbackYes
  Random playbackYes
Data organisation
  Folder voice5
  Files per folder999
  Folder Audible1
  Temp markYes
  File moveYes
  File divideNo
  File Copy (Folder to Folder)Yes
  File copy (internal memory - external memory)Yes
  Folder Podcasts1
Workflow function
  Author ID SettingNo
  Pending FileNo
  Priority settingNo
  Worktype ID SettingNo
Other Features
  Audible supportYes (advantages: one file, bookmark function, chapter marks, speech optimized compression, additional informations like title description, author informations)
  Podcast supportYes
  Voice feedback / guidanceYes
  Remote ControlRS-30W (optional)
Software
  corresponding Audio software (type)Audio Management Software
  corresponding Audio software (name)Sonority
Interfaces Input
  Microphone sensitivityHigh / Middle / Low
  Microphone jack3.5 ø mm mini-jack, impedance 2 kΩ
  PC interfaceUSB Cable
  MicrophonesBuilt-in stereo microphones
Interfaces Output
  Speaker DiameterBuilt-in ø23 mm round dynamic speaker
  Max. working output320 mW or more (8 Ω speaker)
  Earphone jack3.5 ø mm jack, impedance 8Ω or more
Power Supply
  Device standalone recharge function via USBYes
  Power Supply2 x AAA Ni-MH rechargeable batteries (charge inside device) or AAA batteries
  External power supplyUSB connecting AC adapter (A-514)
  Ni-MH battery lifeRecording: 41 h (LP mode)
Playback: 16 h via speakers
  Alkaline battery lifeRecording: 51 h (LP mode)
Playback: 19 h via speakers
Dimensions
  Weight84 g (incl. batteries)
  WxHxD110 x 38.9 x 16 mm (without protrusions)
  Housing materialMetal
  Housing colourSilver
Languages
  Menu languagesEnglish, German, French, Spanish, Italian, Russian
  Voice Guidance languagesCzech, Danish, Dutch, English, Finnish, French, German, Greek, Hindi, Italian, Norwegian, Polish, Portuguese, Russian, Swedish, Spanish, Turkish, Urdu
  Languages Audio Using InstructionYes
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