Computer Connection Diagram - how-to-wire-it Computer Connection Diagram, How to hook up a computer. Speaker connections can come in a few different styles but the most common is a single prong connector. The most common type speakers will have a separate power cord for their electrical supply and a single wire that connects to the computers speaker output port. The speaker connector The Speaker Wiring Diagram And Connection Guide – The soundcertified›How-to guideThe Speaker Wiring Diagram And Connection Guide – The Basics You Need To Know November 18, 2017 We all enjoy music and speakers make that possible – but it can be confusing if you’re unsure of how exactly to connect them.