Sahih Muslim 316
صحيح مسلم#316Sahihوَحَدَّثَنِيهِ أَحْمَدُ بْنُ سَعِيدِ بْنِ صَخْرٍ الدَّارِمِيُّ، حَدَّثَنَا حَبَّانُ، حَدَّثَنَا سُلَيْمَانُ بْنُ الْمُغِيرَةِ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، قَالَ لَمَّا نَزَلَتْ { لاَ تَرْفَعُوا أَصْوَاتَكُمْ فَوْقَ صَوْتِ النَّبِيِّ} وَلَمْ يَذْكُرْ سَعْدَ بْنَ مُعَاذٍ فِي الْحَدِيثِ .
This hadith is also transmitted by Ahmad b. Sa'id, Habban, Sulaiman b. Mughira on the authority of Anas who said:When the verse was revealed:" Do not raise your voice louder than the voice of the Apostle," no mention was made of Sa'd b, Mu'adh in it
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:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 1:223