Include the ability to disable all soundfx of the headphones?

[thanhtacles]

So, Bose has a power-on/off sound, a loud thud sound when muting, and it "talks" long sentences to you about which devices are connected on power-on (causing you to miss out on audio that's currently playing).
None of these are informative, and are in fact intrusive. It's one of the most requested UX/QoL changes to the Bose 700 (Goodyear) that people have demanded be turned off. There are a bunch of posts about this. I think a firmware flash to delete these sounds would do wonders to silence the annoying feedback it gives. Turn them into quick snappy on-off, feedbackless, clean user experience. Do you think this is possible through the firmware?