You get two announcements, one for technical problems 12 seconds long and one for "Please turn off..." 21 seconds long. (Listen to demo.)
For an explanation track which allows you to listen to the main voice used in the Magic Enhancer tracks, please see our free ebook page under the Audio & Audio-Book heading.
The Magic Enhancer team also provides a custom service. If you want to learn more about it go to Magic Enhancer.