Man Lā Yaḥḍuruh al-Faqīh
Hadith 823823 - وَ سَأَلَ اَلْحَلَبِيُّ وَ عَبْدُ اَللَّهِ بْنُ سِنَانٍ أَبَا عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ: هَلْ يَقْرَأُ اَلرَّجُلُ فِي صَلاَتِهِ وَ ثَوْبُهُ عَلَى فِيهِ فَقَالَ «لاَ بَأْسَ بِذَلِكَ. وَ فِي رِوَايَةِ اَلْحَلَبِيِّ: «إِذَا سَمِعَ اَلْهَمْهَمَةَ.
Hadith.823 - Al-Halabi and Abdullah ibn Sinan asked Imam Jafar ibn Muhammad Al-Sadiq (as) whether a man may recite during prayer with his garment covering his mouth.
The Imam said: "There is no issue with that."
In another narration by Al-Halabi, it is added: "As long as he can hear his murmuring (sound of his recitation)”.