Hi John
I haven't had experience with these , but if you are looking for hi-end speakers, you owe it to yourself to get the best. I am sure happy I did.
http://www.bose.com/controller?event=VIEW_PRODUCT_PAGE_EVENT&product=l1_single_live_music&ck=0
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pa4X 76 ,SX900, Hammond SK1, Ketron SD40,Ketron Event X Centerpoint Space Station, Bose compact