Best answer by Jeff S
It looks like your iPhone is having a hard time maintaining the streaming music to your speaker. This could be due to the phone's connection to your network, or the connection between your speaker and network.
How far away from your router is your phone when you are streaming from it? It may help to move the phone closer to your router when streaming. Does this help?
Also, your router is using a wireless channel for your network which is a bit crowded by other nearby networks. You might try changing your router's wireless channel from 11 to 6 and see if that helps.
If the above steps don't do the trick, please send along a new diagnostic report and reply here with the confirmation number.