When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Back in my college days when PortaPaks were all the rage, one of the most helpful and practical ...

XLR is three pronged and eliminates some of the buzzing of RCA, that's all I know, although I'm interested in the topic.

Balanced (differential) audio is carried as a differential signal on two wires, with no ground reference. This offers high common mode noise rejection. Unbalanced (single ended) signals are carried by ...