Professional dictation solutions and dictation recorders

Technical specifications

  • Connectivity


  • Wireless connection with operating range up to 10 m/33 ft

  • USB: Mini-USB 2.0

  • DC in: 6 V

  • Headset: 3.5 mm stereo for LFH3090


  • Audio recording


  • Microphone type: electret condenser microphone

  • Microphone capsule: 10 mm

  • Characteristic: uni-directional

  • Frequency response: 100–7500 Hz

  • Microphone sensitivity: -89 dB–109 dB (depending on position of mic-slider in sound control panel)

  • Signal-to-noise ratio: > 65 dBA


  • Sound


  • Speaker type: built-in round, dynamic speaker

  • Speaker diameter: 30 mm

  • Acoustic frequency response: 300–7500 Hz

  • Speaker output power: > 200 mW


  • Power


  • Rechargeable batteries included

  • Number of batteries: 2

  • Battery type: AAA/LR03 Alkaline, Philips AAA Ni-MH LFH9154

  • Rechargeable: yes

  • Battery lifetime: up to 7 hours

  • Charging time (full charge): 2.5 hours

  • Power supply: 6 V DC/850 mA


  • System requirements


  • Processor: Pentium IV 1 GHz recommended

  • RAM memory: 1 GB (2 GB recommended)

  • Hard disk space: 100 MB for SpeechExec, 850 MB for Microsoft .NET 4, 30 MB for Speech Control. 250 MB for Microsoft .NET 2.0

  • Operating system: Windows 7 (32/64-bit), Windows Vista (32/64-bit), Windows XP (32 bit)

  • Free USB port

  • DVD-ROM drive

  • Graphics card: DirectX-compliant graphics card with hardware acceleration recommended

  • Sound device: Windows-compatible sound device


  • Green specifications


  • Compliant to 2002/95/EC (RoHS)

  • Lead-free soldered product

  • CE, FCC, C-Tick


  • Operation conditions


  • Temperature: 5°–45° C/41°–113° F

  • Humidity: 10 %–90 %


  • Package contents


  • SpeechMike Air wireless dictation microphone

  • AirPort docking station

  • AirBridge receiver module

  • Neckband

  • Philips power supply LFH9146 – AC charger with exchangeable charging pins

  • 2 rechargeable Philips AAA batteries LFH9154

  • Pouch

  • USB cable, small and long one

  • CD-ROM containing software and user manual

  • Quick start guide


  • Optional accessories


  • Philips noise-canceling headset LFH3090

  • Philips AAA Ni-MH rechargeable batteries LFH9154

  • Philips power supply LFH9146 


  • Dimensions


  • Product dimensions (W × D × H): 45 mm × 165 mm × 30 mm/1.8" × 6.5" × 1.2"

  • Weight: 125 g/4.4 oz (including batteries)