Sahih al-Bukhari 7548
صحيح البخاري#7548SahihNarrated `Abdullah bin `Abdur-Rahman:that Abu Sa`id Al-Khudri said to him, "I see that you like sheep and the desert, so when you are looking after your sheep or when you are in the desert and want to pronounce the Adhan, raise your voice, for no Jinn, human being or any other things hear the Mu`adh-dhin's voice but will be a witness for him on the Day of Resurrection." Abu Sa`id added, "I heard this from Allah's Messenger (ﷺ)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 97:173