Most mixers have stereo input channels with their EQ knobs to equalize the sound to your likings. The reason is because the audio coming from your computer is a stereo signal, meaning with a left and a right channel. 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.