Instrument Cables vs Speaker Cables: What's the Difference?

Here's a great and concise video from the folks at Audio University on the difference between guitar/instrument cables and passive speaker cables.  Audio University was founded by Kyle Mathias who first got into audio production when he was 16 years old. He studied audio production at college and after graduating went to work for a live sound company that did work for music festivals, corporate events, and conventions.  He created Audio University to share his knowledge and help anyone aspiring to become a professional audio engineer or just need help with creating audio content.

OK here's the video: