(33) باب جَهْرِ الإِمَامِ بِآمِينَ
It was narrated from Abu Hurairah that:
The Prophet (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" (RU)
Reference (RU): Sunan an-Nasa'i 926 (RU)
In-book reference (RU): Book 11, Hadith 51 (RU)
English translation (RU): Vol. 2, Book 11, Hadith 927 (RU)