This page includes the answers to common questions about the SST, about mind machines, brainwaves, and other questions about our products, our site security, and business practices. If you can't find an answer here, please contact us. If you think of a question that we could add to the list for everyone's benefit, write us an email or fill out the Contact Us form. We welcome ideas and suggestions from our customers!
3 Inhibitory 15 Hz. to 15 Hz. 35 minutes 4 Inhibitory 17 Hz. to 17 Hz. 35 minutes 5 Double Inhibitory 28 Hz. to 13 Hz. 35 minutes 6 Double Inhibitory 40 Hz. to 14 Hz. 35 minutes