קיט מגבר לחישות לקול להאזנה
Pick up the tiniest of sounds or whispered conversations with this miniature, high-gain amplifier and earphone set. The FK917 is easy to build and is fitted with an on-board condenser microphone. The amplifier gain is trimmer adjustable.
Technical Specification
- Power Supply : 3VDC @ 40mA max.
- PCB Dimensions : 2.10" x 1.32" x 0.6" (53.3mm x 33.53mm x 15mm)
- Recommended Housing : FB03
