Empress Effects Buffer+ - Manual (Page 9)

guitars). It can also be used to push a
hotter signal to your pedalboard
resulting in a better signal to noise
ratio. Set the switch to 0dB for unity
gain.
Input Loading: This knob allows you to
vary the load seen by your guitar
pickups at the guitar in. Turning the
knob fully clockwise increases the load
and allows the full frequency range of
your guitar to pass through. As you
turn the knob counter-clockwise you'll
begin loading down your guitar,
changing the response of the pickups
and rolling off some high frequencies.