Text, meaning, and application

What is conveyed by «لَا يُجَاوِزُ حَنَاجِرَهُمْ»?

Mosque Stewardship, Preservation of Knowledge, and Discernment During Trials (Reports 18–25)

• Recitation remaining vocal without reaching understanding and conduct
• A requirement for loudness
• A verdict on every beautiful reciter
• Speaking another language