Frequency Sound Generator

Our frequency generator produces sounds in the range: 0-22 kHz.It's friendly interface is easy to use. Turn the knob to select the frequency, and use the "+" and "-" buttons to set the one that suits you best. Sounds can be generated in 4 modulations: square, triangular, sine and sawtooth. Generate frequencies with one button, save and add to your favorites.
examples of use:
-test of speakers and audio devices
-hearing test
-sound volume test