What you really need to evaluate is your current situation and where your life is headed. Here are some questions so ask yourself:
1) which one has been in the house longer, the speakers or the fiancee?
2) which one will last longer, the speakers or the fiancee?
3) which one can you realistically live without, the speakers or the fiance?
4) if you answered fiancee to any of the following 3 questions, ask yourself what's next on her "things she wants to change list"?(if not, skip to number 5).
5) Who's in control of the relationship?
Just a few things to think about.