If you search this site you will find the answer find the answer to most questions. It depends on the Bose system. LS28/35 can convert to IR control, no other hardware is needed. Earlier LS systems go here--
[Link: bluedo.com] and check sytem compatability. Selling the Bose as mentioned previously is not a bad idea. Any $800+ HTIB system will kick its ass and have more expansion capability.