These are "utility" files. They consist of raw sine, square, or sawtooth waves at specific frequencies (e.g., 50Hz to 1000Hz). These are great for testing your equipment or finding the exact frequency that feels best for you. 2. Rhythmic and Musical Loops
Most enthusiasts prefer stereo files. By using a stereo audio connection, the signal can alternate between the Left and Right channels. Estim Audio Files For Download-