Free Dub Filter Audio Effect For iOS May 26, 2015 by iPad Loops, Music Production Apps, And Hardware 0 The Dub Filter is a dual low-pass/high-pass 24/48 dB filter, with resonance and the exclusive Overlap parameter. It contains a completely redesigned stereo sample player with LFO and scrubbing... Effects, Free Apps amazing noises, audio effects, dub effect, dub filter, dubfilter, free app, Free Dub Audio Effect For iPad, Free Dub Filter Audio Effect For iOS, ipad app, ipad audio effects, iphone app, iphone audio effects.