Sahih Muslim
Book 4: The Book of Prayers
كتاب الصلاة
322 hadith in this book
Chapter 4 It Is Recommended To Have Two Mu'adhdhin In A Single Masjid
باب اسْتِحْبَابِ اتِّخَاذِ مُؤَذِّنَيْنِ لِلْمَسْجِدِ الْوَاحِدِ
Ibn Umar reported: The Messenger of Allah (ﷺ) had two Mu'adhdhins, Bilal and 'Abdullah b. Umm Maktum, who (latter) was blind.
حَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ كَانَ لِرَسُولِ اللَّهِ صلى الله عليه وسلم مُؤَذِّنَانِ بِلاَلٌ وَابْنُ أُمِّ مَكْتُومٍ الأَعْمَى .
This hadith has been narrated on the authority of 'A'isha by another chain of transmitters.
وَحَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا عُبَيْدُ اللَّهِ، حَدَّثَنَا الْقَاسِمُ، عَنْ عَائِشَةَ، مِثْلَهُ .
Hadith text, translations and grading are courtesy of Sunnah.com.