Yes. The M50 is a tower version of the M3 and uses a similar crossover design IIRC. The advantages of the M50 tower over the M3 bookshelf becomes mute when you add a subwoofer to the M3's. In a room your size there is not much advantage to a tower speaker IMO.

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne