(187) باب إِخْفَاءِ التَّشَهُّدِ
Narrated Abdullah ibn Mas'ud:
It pertains to the sunnah to utter the tashahhud quietly. (AR)
Reference (AR): Sunan Abi Dawud 986 (AR)
In-book reference (AR): Book 2, Hadith 597 (AR)
English translation (AR): Book 3, Hadith 981 (AR)