I have a Bose Lifestyle 35 Series I system with the cubes mounted and wired to the walls. I'd like to upgrade to a unit with progressive scan and hdmi inputs. Are the Lifestyle 18 or 28 Series III control unit compatible with my 35 Series I speakers/subwoofer? I'm considering swapping out my existing control unit with the one from the Series III.
Check the Ohms (impedence) rating on the back of your speakers and the the speaker requirement on the back of new unit. I would think they would be compatible but recommend checking.