Should a person offering Salah alone utter Ta'min out loud?

Q 1: If a person offers a Jahri Salah (Prayer recited out loud) individually, should they say, "Amen" loudly or not?

A: If a person is performing Jahri Salah, it is preferable to say, "Amen" loudly. However, it is permissible to say it silently.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.