I have used a PSR550 with a live band and that did happen once ... once was enough. So that is a valid point. It makes for chaos with the rhythm section. It would have been nice to able to lock the accompaniment switch to off. But I changed to a Motif 6 for other reasons. The speakers didn't worry me at all. In a band situation the audience really don't see too much of the actual keyboard itself. No-one ever mentioned the speakers to me.