I have used this HSU high pass filter when I owned a subwoofer with no outputs to my amp!
http://www.hsuresearch.com/products/high-pass-filter.html
http://www.hsuresearch.com/products/high-pass-filter.html
Active line level crossover with subwoofer out - HELP
I have used this HSU high pass filter when I owned a subwoofer with no outputs to my amp! http://www.hsuresearch.com/products/high-pass-filter.html |