Sahih al-Bukhari 7525
صحيح البخاري#7525SahihNarrated Ibn `Abbas:regarding the explanation of the Verse:-- '(O Muhammad!) Neither say your prayer aloud, nor say it in a low tone.' (17.110) This Verse was revealed while Allah's Messenger (ﷺ) was hiding himself at Mecca. At that time, when he led his companions in prayer, he used to raise his voice while reciting the Qur'an; and if the pagans heard him, they would abuse the Qur'an, its Revealer, and the one who brought it. So Allah said to His Prophet: "Neither say your prayer aloud. i.e., your recitation (of Qur'an) lest the pagans should hear (it) and abuse the Qur'an" nor say it in a low tone, "lest your voice should fail to reach your companions, "but follow a way between
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: 97:150