I am a believer of component Break-In. When I purchase a new amplifier, I generally leave it running 24/7 with a streaming radio of music (itunes, Tidal, Qobuz etc.). I play at low volumes the a couple times a day I play selections I want to listen to at normal listening volumes. I generally feel about after 2 weeks, the amps have opened up quite a bit. BTW, I have never had an amp sound bad out of the box. I just notice more openness and smoothness after a couple of weeks. If an amp sounded terrible out of the box, I would probably return it.
With that said
Is low volume playback enough during break in period for a non speaker component?