Abu Hurairah reported,

When the Prophet ﷺ finished reciting the Mother of the Quran, he would raise his voice and say, "Ameen."

Azami 1983

Hasan

عن أبي هريرة، قال

كان النبي ﷺ إذا فرغ من قراءة أم القرآن، رفع صوته وقال: آمين.

الأعظمي 1983حسن
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Prayer
Chapter
Description of prayer, the takbir, standing, and recitation
Section
Saying Ameen aloud for the imam and the follower in prayers where recitation is aloud, and saying it quietly in prayers where recitation is quiet
Numbering
Jami al-Kamil 1983 (2nd edition)
Azami 1983