Glad you asked...
Bridging two speakers to one channel requires connecting them in series. This works by connecting one output from the source to the + of the first speaker and the - of the first speaker to the + of the second speaker. Then take the - of the second speaker back to the source.
jj1002     How-To Expert
Other How-To Questions
About   .  Privacy   .  AskEraser   .  Settings   .     .  Careers   .  Ask Answers   .  iPhone   .  Help   © 2013 Ask.com