Empress Effects Buffer+ - Manual (Page 7)

Controls at a Glance
power: 9V DC negative
tip 2.1mm jack. 80mA or greater.
guitar in: plug your guitar in here.
noise filter: use noise filter to
reduce noise generated from
pedals in the loop.
boost: set how much volume
boost is added when engaged by
the boost switch.
input loading: control how much
load is placed on your pickups.
fully clockwise will produce the
cleanest sound with the most
bandwidth.
amp out: This buffered output can
drive a long cable run without
signal loss.