Great idea!
I don't know how you intend to use it, but if this CD is comprised of correctly spaced fog signals selectable by conditions, then this is a stupendous idea. I would just point the enclosed stereo speakers out both front ports and put at 45 volume. A single tone at midrange frequency won't harm a good speaker at high volume. I'm ordering one today. Better than monkeying with the handheld air horn on a sailboat.
