FILTRi elektriki (radio), jihozest baroi judo kardani lappishhoi elektrikii gunogunbasomad. Lappishhoi basomadashon ba hududi guzaronandagii Filtri nomuvofiq, khomush (sust) meshavand. Filtrhoi balandbasomad, pastbasomad, qitagi, mankunanda mavjudand.