Most speakers are designed with a high-pass for the tweeter, a band-pass for the mid-range, and a low-pass for the woofer. So the tweeter goes off into the ultrasonic, and the woofer into the infrasonic, with only their physical properties limiting output.

EDIT: 1500!

Last edited by ClubNeon; 07/03/10 06:17 PM.
Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris