@Bob I would like to know the difference between the A9 model and the A9-5pps model. What is the pps of the A9 model? Which would you recommend most for treating brain problems such as TBI or anxiety/depression?
The standard A9 uses the Omni-8 pulse protocol, which is a mix of frequencies.
For TBI, I think you are better off using the model M1 so that you can use Alpha-Wave, 5pps, or a variety of other pulse protocols.
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