FREQUêNCIA 396 HERTZ THINGS TO KNOW BEFORE YOU BUY

This is certainly an easy solution to reference the pitch of different musical notes. Click on any of the frequencies to Enjoy a tone with that note/frequency, just be certain your quantity is not really set way too higher, the superior pitched notes may be Specifically extreme.Noted for maximizing alertness and focus, 1000Hz is a strong Instrument