Reply To: davening in public

However, one should be loud about, even in one’s home. People who do that imply that they think that Hashem is hard of hearing c”v (Berachot 24b).

HUH?

What the Gemara is saying applies only to SE. By other brachos, on the contrary, it is good to say it out loud, so that you will have better kavana and so that other people can say Amein.