(33) باب جَهْرِ الإِمَامِ بِآمِينَ
It was narrated that Abu Hurairah said:
"The Messenger of Allah (ﷺ) said: 'When the reciter says Amin, then say: "Amin" too, for the angels say Amin and if a person's Amin coincides with the Amin of the angels, Allah will forgive his previous sins" (ES)
Reference (ES): Sunan an-Nasa'i 925 (ES)
In-book reference (ES): Book 11, Hadith 50 (ES)
English translation (ES): Vol. 2, Book 11, Hadith 926 (ES)