Schumann Wellengenerator verstellbar 0,1 Hz ~ 30 KHZ Sinus + Quadrat + umgekehrte Quadratwelle
ab 21,15 €
The product can not only output 7.83Hz Schumann wave, but also can be adjusted in the range of 0.1Hz ~ 30KHz frequency, digital circuit crystal oscillator frequency reference, more stable, stronger anti-interference.
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