´It was narrated from Abu Hurairah, who heard it from the mouth of the Messenger of Allah (S.A.W):` "The Mu'adhdhin will be forgiven as far as his voice reaches, and every wet and dry thing will bear witness for him."
Hadith Referenceسنن نسائي / كتاب الأذان / 646
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده حسن