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SMDTB14 4CH 7.83Hz Schumann Resonance Pure Sine Wave Generator Adjustable 0.01-9999Hz DAC Type-C Audio Output
$2.42
SMDTB14 is an optimized product, its shell is tough and solid acrylic shell. It removes the expensive LCD display and uses a low-cost digital tube display. It uses only three buttons to set parameters. It only retains the sine wave signal that is beneficial to the human body, and removes the square wave, triangle wave, forward sawtooth wave and other signals that can only be used in the laboratory. The saved cost is used in 4 audio signal outputs with zhuan'yogn independent amplifiers/overcurrent and overvoltage protection/high-precision low-temperature drift circuits.


