This is a very simple and low cost circuit and comes complete with two 8 Ohm 0.25W speakers. Essentially, it is a single amplifier set up to act as a transmitter and a receiver through the use of a slide switch on the amplifier board. The slide switch may be set to speak or listen. The FK327 is an ideal class room project and the outcome is a useful device for inter-room communication or child monitoring.

Technical Specification
  • Power Supply : 4.5-6VDC @ 8mA max. @ 4.5VDC (stand by), 50mA max @ 4.5VDC (working)
  • Function Select : Slide Switch.
  • PCB Dimensions : 1.95" x 1.31" x 0.6" (49.53mm x 34.29mm x 15mm)
  • Recommended Housing : FB03

Download Manual Click Here

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