I have just spent AUD$1500 (ins inc) shipping a rare 30kg turntable 1000kn to from Sydney to Brisbane. I went through all the freight companies with out satisfaction. Then went to removalists who said "oh that will need special wrapping and a crate... how about that. The TT was bought for $6000 insured for $8000, and I made sure it was moved like a fragile egg.
Do the same with your speakers. Its worth it in the end. There is a topic that is repeatedly deleted, innocent advice as well, due to equipment severely damaged en-route from store to buyer. Make sure everything is accounted for the way YOU want it before the speakers move.