Sound delay when using two of them for watching TV or movies in stereo

I'm having the exact same problem with my ihome ibt30 speakers! When I connect the two of them to stream in surround, I have this delay problem and don't know how to fix it! Anyone can relay to this?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2942205:01crwdne2942205:0:

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0