PRESONUS AudioBox 44VSL Quick Start Manual page 6

1 Hook up your AudioBox 44VSL
1.1 Front Panel Connections
1.0 Hook up your AudioBox 44VSL
Front Panel Connections
1.1
Microphone
/ Instrument
Preamps. Channels
1 and 2 of the
AudioBox 44VSL
have an XMAX™
microphone preamp
and an instrument
preamp. The combo
connector lets you
use either ¼" phone
or XLR connectors
in the same jack.
Use the ¼" jacks to
connect guitars or
other unamplified
instuments. Use
the XLR jacks to
connect your favorite
microphone.
Microphone / Line
Inputs. Channels
3 and 4 of the
AudioBox 44VSL
have both an XLR
microphone input
and a balanced line
input. The combo
connector lets you
use either ¼" phone
or XLR connectors
in the same jack.
6
Mixer Control. This
knob crossfades
between the analog
input signal of the
preamps and the
playback signal from
your computer. If
the knob is at 12
o'clock, the input and
playback systems will
be equally balanced.
48V Button. This
button activates
phantom power for
both microphone
preamps.
Use the ¼" jacks to
connect keyboards
and other line-level
devices. Use the XLR
jacks to connect your
favorite microphone.
PreSonus AudioBox
Main Level. This
knob controls the
output level for the
Main Outputs on the
back of the unit.
Input Trim Controls.
These knobs adjust
the input gain level
for their respective
inputs.
44VSL
™
Phones Level.
This knob controls
the output level
for the Phones
(headphone)
output on the back
of the unit.
USB/Sync LED.
This LED indicates
power and proper
USB sync. It will
illuminate red when
the AudioBox 44VSL
is properly powered
and blue when it is
properly synced to
your computer
Clip Indicators. All
channels feature a
clip LED next to the
trim control. The red
clip indicator LED
will illuminate
when the channel's
input signal reaches
0 dBFS.