Einstellbarer 0,1Hz 30 kHz 7,83Hz Schumann Wellenresonanz Signalgenerator (Modell 2)
12,99 €
This product can not only output 7.83Hz Schumann waves, but also adjust the frequency within the range of 0.1Hz~30KHz. It uses a digital circuit crystal oscillator frequency reference, which is more stable and has stronger anti-interference.
Jetzt bei Ebay:
