12 PFL and Faders While this button is pressed, the other channels will mute so that you can listen to the one instrument on its own. PFL stands for Pre-Fade Listen.
The signal is tapped off before the channel fader. It will also go to a visual meter somewhere on the desk.
You use it when adjusting the 'gain' control at the top of the channel strip.
You can set the overall signal level knowing that what you're seeing on the meters isn't affected by the position of the channel fader.
Faders are the final element in the chain.
These control the overall level of the channel.
When choosing a mixer, you'll need to think about the number of channels, aux sends and sub-groups that you'll need and how advanced you need the EQ section to be.
Also think about how many mic pre-amps you might need.