“Here is another key point:
Listening is not required to attain the Sotapanna Anugāmi stage.
It is also clear that a Sotapanna Anugami is also freed from the apāyās. See,
“Sōtapanna Anugāmi – No More Births in the Apāyās”
It is clear to me that he will be able to reach all other stages of Nibbana without hearing a desana, only reading and talking and participating in meetings with Aryas as is the case of “Puredhamma.net!”