Do we recite during the imam's pause after the ameen if he considers it part of the Sunnah?

The questioner : An imam who prays while holding the view that the pause after the ameen is part of the Sunnah.

The Shaykh : So, when he pauses, you recite.

The questioner : May Allah reward you with good.

Another questioner : Is it obligatory, O Shaykh? Is it obligatory, O Shaykh?

The Shaykh: Yes.

The questioner : It is obligatory.

The Shaykh : It is obligatory.
The student : O our Shaykh, if someone is cramped by the chair, this is...

The Shaykh : No, no, there is no problem. I focused myself, and Allahu Akbar is upon him.
The student : La ilaha illa Allah, without any embellishment or anything.
Another student: May Allah guide him; he consults.
The Shaykh...