Bridging an amp requires red and black speaker wire that can be connected to the back of the amp. Before trying to bridge an amp, check the documentation that came with the device to ensure bridging is possible with that model.Continue Reading
Find the terminals labeled Speaker Output on the back of the amp. Know that these terminals alternate positive and negative output. For example, the first terminal is positive, the second is negative and so on.
Attach red speaker wire to one of the positive terminals on the back of the amp. Attach the other end of the wire to a speaker.
Attach black speaker wire to the negative terminal furthest from the positive terminal already connected. Connect this wire to the back of the speaker as well.