Never set your phone or PC volume above 85% when testing a new file. The Golden Rule: The 2B’s physical "Power" knobs are your safety net. Start with the 2B knobs at zero. Turn up your source volume (phone/PC) to 70-80%. Then slowly turn up the 2B knobs.
On a standard TENS unit, turning up the "Power" knob increases the voltage. On the 2B in Stereo Mode, your source volume (phone/PC) acts as a pre-amp . estim 2b audio files
By switching your 2B into , you transform it from a simple TENS-like device into a high-fidelity haptic instrument. Suddenly, your music player, your laptop, or your smartphone can "play" your nerves like a complex instrument, creating sensations that range from a gentle tickle to a driving, rhythmic beat that syncs perfectly with audio cues. Never set your phone or PC volume above