The Crossover Filter is a basic tool for splitting an audio signal into two bands. The bands can be processed separately and then added back together.
The filters are simple, and were made using the Audio EQ Cookbook:
A tutorial video showing how to use this filter is available here: http://www.youtube.com/watch?v=gArqvLzmrSM&list=UUf5UKh_cj2_5pUomhyswWYQ
Version 1.1 - Fixed a bug when cutoff frequency is set to higher than sampling rate/4
Written in Reaktor 5.9