LF-0203 / LF-0203A

Technical Specification

Model: LF-0203 / LF-0203A

Microphone Types: Cardioid  Electret

Directivity: 80Hz~16KHz

Input Impedance: 1KΩΩ

Sensitivity: -46 dBV/Pa

MAX SPL: 100dB (THD>3%)

SNR: >80dB

Crosstalk: >70dB

Dynamic Range: >80dB

THD: <0.1%

Maxim Consumption: 5W

Headphone Load: >16Ω

Headphone Volume MAX: 40mW

Headphone Jack: 3.5mm Mono jack

Standards: IEC60914

Connector: With 1.8 m airline 6 cores

Power Supply   Host power supply: DC 36V

Color: Black

Voting Function:

Button Five – Selection; Button three–Voting

Simultaneous Interpretation:

16, 32, 64 Channels (default 16)

: Press key to Sign-in; IC card sign-in

IC Card: With contact IC card

Screen: 4.3 inch color screen

Electronic Nameplate:

5.5” Green Electronic nameplate

Wight: 1.17kg

Mic Bar Length: 415mm

Dimension (L×W×H): 218×135×63

Installation: Desktop Type


Chairman / Delegate unit with IC card, with 4.3 inch TFT color touch screen,with voting and discussion function


  1. This Unit microphone adopts 48KHZ sampling rate, which higher than the CD sound quality, the voice is clear and bright. With Internal DSP audio processing and no “poop-poop” low frequency sound.
  2. Support speech timer and timing speech function.
  3. Delegate unit apply for speech function, the chairman unit can approve the applicant.
  4. With feedback inhibition function.
  5. The Microphone has voice control function, can turn on the microphone intelligently by voice.
  6. 5 Section EQ regulating function, different sound effects can be adjusted according to the characteristics of the speaker’s voice to achieve perfect effect.
  7. Chairman unit has the priority function, can turn off all delegate microphones during speech.
  8. 3 inch TFT touch screen, simple operation, friendly using.
  9. With 100M network transmission to realize hand in hand cascade, Sound quality will not be influenced by long distance transmission.
  10. With functions of IC CARDS signed in can show participants’ unique characteristics.
  11. Support the vote, election, rating function, chairman unit can set vote, check-in. can do data statistics without PC.
  12. With electronic nameplate, with full view large LCD Screen to shows the person’s name, can be quickly update the display information through PC.
  13. Unit had automatic ID programming function and can choose language channel , the factory defaults is 15 + 1, user can set 31 + 1 and 63 + 1.
  14. Support Chinese and English interface display, a key interface switch interface.
  15. Sign, voting functions using interface buttons, non-physical buttons.
  16. Support tea service functions, a key into the tea service.
  17. Support background message notification, support for fire alarm linkage alarm.
  18. Support sign in, voting status real-time display, background synchronization display.