حَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، أَخْبَرَنَا سُفْيَانُ، عَنْ سَلَمَةَ، عَنْ حُجْرٍ أَبِي الْعَنْبَسِ الْحَضْرَمِيِّ، عَنْ وَائِلِ بْنِ حُجْرٍ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم إِذَا قَرَأَ end actual hadith container 3 قَالَ " آمِينَ " . وَرَفَعَ بِهَا صَوْتَهُ .
Narrated Wa'il ibn Hujr: When the Messenger of Allah (PBUH) recited the verse "Nor of those who go astray" (Surah al-Fatihah, verse 7), he would say Amin; and raised his voice (while uttering this word). Translation Not Available
Book Ref: Sunan Abi Dawud Book 2 Hadith 932
Web Ref: Sunan Abi Dawud Book 3 Hadith 932