DA-237 Talk-back System

  • Talkback System
  • Full duplex voice technology automatically recognizes and process voice signal 

  • Special anti-side tone processing chip features automatic squelch control and effectively minimize the howling 

  • Full automatic communication control technology, wall mount unit(external unit) features integrated microphone and speaker, one cable for convenient connection of the wall mount unit and desktop unit 

  • Excellent circuitry for high output power up to 3W and clear sound quality

  • Independent mute control on desktop unit for both external and internal units 

  • Audio input function input signal like PC voice warning for customer listening 

  • Line output function for recording of internal/external voice signal

  • Cable protection design on desktop unit

  • Compact, elegant design

Product Detail

  • Specification
  • Application
  • Product Content
• Operating Voltage: DC 12V/1A
• Output Power: 3W/3W (max)
• Frequency Response: 100Hz-12kHz
• Destop Unit Dimensions: 18.2cm x 12.0cm x 5.6cm
• Wall Mount Unit Dimensions: 6.1cm x 8.5cm x 2.4cm
Bank, stock-exchange, post office, railway station, cashier desk, ticket office and hospital
  • Operating Voltage: DC 12V/1A
  • Output Power: 3W/3W (max)
  • Frequency Response: 100Hz-12kHz
  • Destop Unit Dimensions: 18.2cm x 12.0cm x 5.6cm
  • Wall Mount Unit Dimensions: 6.1cm x 8.5cm x 2.4cm


  • Specification
  • Application
  • Product Content
• Operating Voltage: DC 12V/1A
• Output Power: 3W/3W (max)
• Frequency Response: 100Hz-12kHz
• Destop Unit Dimensions: 18.2cm x 12.0cm x 5.6cm
• Wall Mount Unit Dimensions: 6.1cm x 8.5cm x 2.4cm
Bank, stock-exchange, post office, railway station, cashier desk, ticket office and hospital
  • Operating Voltage: DC 12V/1A
  • Output Power: 3W/3W (max)
  • Frequency Response: 100Hz-12kHz
  • Destop Unit Dimensions: 18.2cm x 12.0cm x 5.6cm
  • Wall Mount Unit Dimensions: 6.1cm x 8.5cm x 2.4cm