Audacity is a popular free and open source audio editor for Windows and operating systems. It provides a variety of audio editing tools that also include the capability to split audio into multiple ...

A headphone splitter is a device or a medium that allows you to connect two or more pairs of headphones to the same connector at the same time and listen to music or anything else you want with your ...

I'd get rid of the old amps entirely and put a constant-voltage (70V, etc) commercial system in its place. It'll save you a ton of space (a single amp with output transformer can feed dozens of ...