(33) باب جَهْرِ الإِمَامِ بِآمِينَ
It was narrated from Abu Hurairah that:
The Messenger of Allah (ﷺ) said: "When the Imam says Amin, say Amin, for if a person's Amin coincides with the Amin of the angels, his previous sins will be forgiven.'"
Reference: Sunan an-Nasa'i 928
In-book reference: Book 11, Hadith 53
English translation: Vol. 2, Book 11, Hadith 929