The Amp can get a little warm so it needs airflow to stay cool. Operating temperature for the Amp is 32°F to 104°F. Storage temperature is -4°F to 122°F.

Thank you

Except I suppose for recent extreme conditions in the world, the temperature ranges aren’t a problem, the airflow is the important bit.

Kept in a place with no airflow to carry away the heat it generates, as in a closed place with internal temperature never exceeding 104, the amp may still overheat after extended play at high volumes.