Stereo Ultrasonic Sound Source and Bat Detector Welding Kit
Method: Heterodyne Method
Microphone: Electret
Frequency Range: 20-90kHz
Power Consumption: 8mA (Typical).
Perfect for spooky Halloween
Stereo Ultrasonic Sound Source and Bat Detector Welding Kit converts sounds that are imperceptible to humans (such as bat signals) into audible noise.
Another use is early detection of malfunctions in machines, engines, electronic equipment, etc. In addition, through stereo, the source of the sound can be identified.