Sunan Abi Dawud 517
سنن أبي داود#517Sahihحَدَّثَنَا أَحْمَدُ بْنُ حَنْبَلٍ، حَدَّثَنَا مُحَمَّدُ بْنُ فُضَيْلٍ، حَدَّثَنَا الأَعْمَشُ، عَنْ رَجُلٍ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الإِمَامُ ضَامِنٌ وَالْمُؤَذِّنُ مُؤْتَمَنٌ اللَّهُمَّ أَرْشِدِ الأَئِمَّةَ وَاغْفِرْ لِلْمُؤَذِّنِينَ " .
Narrated AbuHurayrah: The imam is responsible and the mu'adhdhin is trusted, O Allah, guide the imams and forgive the mu'adhdhins
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 2:127