Monster cable wire
Crutchfield Customer Review (What's this?)
I installed five Klipsch in wall speakers for our home theater system and output of the speaker is pure and clean frequencies without distortions that thinner gage wire would cause. I actually ran the wire in between the back side of the brick and the Tyvek weather proof sheathing to minimize Sheetrock cutting with the hole saw. What concerned me was the change in exterior temperature impacting the performance of the wire but the white protective wrapping does a very nice job of insulating the wires. I bought a 1000 ft. Role on sale for about $245 and used 300. I will definitely be installing more speakers.
Pros: Durable and can transmit signals over 50 feet without negative impact to sound.