Does not being allowed to give the adhaan over loudspeakers mean that the
ritual of the adhaan is not being established?>
Question

                If the Muslims are prevented from giving the adhaan over loudspeakers, is this considered as being unable to manifest the symbols of Islam and are they therefore obliged to migrate (make hijrah) and not remain in that land?
Praise be to Allah.We
      put this question to Shaykh ‘Abd-Allaah ibn Jibreen (may Allaah preserve
      him), and he answered as follows:
This
      is not regarded as coming under that heading, because the use of
      loudspeakers is a new thing. They can still give the adhaan with their own
      voices and establish the symbols of their religion. And Allaah knows best.