When you want to connect a laptop to a mixer, you need a stereo channel. If you don’t know the basics of a mixing board, looking at one can be quite intimidating because each knob has its function, and you wouldn’t know where to start. Getting to know your Mixer’s Input ChannelsĪs you may know, mixing consoles have lots of knobs and several input channels. Another Way of Connecting a Laptop to Your Mixer.Connecting the Laptop to The Mixer Using a Cable.Getting to know your Mixer’s Input Channels.