DA-236 Talk-back System

  • Talkback System
  • lifelike, clear and distinct sound delivered on the both sides of the partition glass 

  • adjustable volumes 

  • successfully reduced interference and howling noise

Product Detail

• Operating Voltage: DC 9V 
• Max. Current Consumption: 500mA
• Primary (inside) / Secondary (Outside) Sound Box:
                2W/2W 100Hz-15kHz
• Outside Mic Sensitivity: -48dB±2dB (0dB=1V/Pa at 1kHz)
• Outside Mic Frequency Response: 20Hz-20kHz
• Inside Mic Sensitivity: -44dB±2dB (0dB=1V/Pa 1kHz)
• Inside Mic Frequency Response: 20Hz-16kHz
• Dimension: Primary Sound Box 15 x 11.6 x 3.9cm
      Secondary Sound Box 9.1 x 7.7 x 2.3cm
at the er, stock-exchange, post offices, railway stations, insurance companies, ticket offices and hospitals - where the protection against robbery is necessary
host computer
outside amplifier
outside microphone
desktop microphone
power supply adapter
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