This is true even of public speaking, where audible response from the audience is not possible. (religion-online.org)
The small speaker arrangement will be good enough for audible responses and perhaps news or podcasts, but naturally won't compete with the standard Home when it comes to room - filling sound. (androidcentral.com)
It is quite unlikey that anyone will hear an audible response from HIM, but HE has HIS way of letting you know through silent receipt in your mind. (nakedpastor.com)