These files use pure sine, square, or sawtooth waves. Low frequencies (around 50Hz to 100Hz) usually create deep, throbbing, or massaging sensations. High frequencies (above 500Hz) result in sharp, intense, or stinging sensations. 2. Session and Atmosphere Loops
: The 2B digitally filters incoming audio to ensure the resulting electrical pulses are safe and pleasurable rather than just raw, jagged noise. estim 2b audio files