In message from Mike:
quoted 3 lines The human hearing has a frequency range of 20hz - 20khz. Young children>The human hearing has a frequency range of 20hz - 20khz. Young children
>have a much greater range. Humans cannot hear lower frequencies,
>sub-woofers only allow you to feel lower frequencies.
Why would you want to exclude higher frequencies, I'm sure you could sense them is some
way.
Lots of love
Tim
One of the least common things
in the world today is:
common sense.