BEHRINGER MICROMON MA400
WELCOME TO BEHRINGER
Thank you for showing your confidence in us by purchasing the
BEHRINGER MICROMON MA400, a monitor headphone amplifier
that is both flexible and compact. On your headphones, you can
simultaneously listen to two audio signals:
V one from a microphone
V one from a mixer or a Hi-Fi unit
You can even emphasize one signal over the other. Hear yourself
sing, or concentrate on the main audio program. Both are
possible.
Please read the safety instructions that appear at the
end of this document.
CONNECTORS AND CONTROL ELEMENTS
This section illustrates and provides descriptions of each MA400
connector and control element:
Fig. 1: MA400 connectors and control elements
High volumes can damage your hearing and your
headphones. Before you use the MA400, turn the MIC LEVEL
and MON LEVEL controls to 0 (zero).
12 V connector:
To connect the power supply unit to the MA400, use the
12 V connector. Connecting the power supply unit to the
mains automatically switches the MA400 on. To disconnect
the unit from the mains, pull out the main cord plug.
ON LED:
As soon as the unit is connected to the mains, the ON LED is
illuminated.
MIC INPUT connector:
To send a microphone signal to the MA400, you need an
audio cable that includes XLR connectors. Plug:
V one XLR connector into the MIC INPUT connector
V the other XLR connector into the microphone
MIC THRU connector:
If you want to route the microphone signal from the MA400
to a mixer, you need an audio cable that includes XLR
connectors.
Plug:
V one XLR connector into the MIC THRU connector
V the other XLR connector into a mic input on the mixer
GND LIFT button:
When you connect a mixer to the MA400, keep this button
pushed out to maintain a ground connection to the mixer.
This connection prevents electrostatic charges from
interfering with your audio signals.
However, if ground-loop hum interferes with your audio
signals, you can break the ground connection between the
MA400 and the mixer. To do this, push in the GND LIFT
button.
MONITOR INPUT connector:
To send a signal from a mixer or Hi-Fi unit to the MA400,
you need an audio cable that includes ¼" connectors
(unbalanced/stereo TRS or unbalanced/mono TS). Plug:
V one ¼" connector into the MONITOR INPUT connector
V the other ¼" connector into the AUX SEND of a mixer or,
alternatively the output of a Hi-Fi unit
¼" PHONES connector,
1
/ 8" PHONES connector:
To connect headphones to the MA400, use the ¼" or,
alternatively the
1
/ 8" PHONES connector.
Do not simultaneously use both PHONES connectors.
MONO / STEREO switch:
To specify the type of mixer or Hi-Fi signal the MA400
receives, use this switch. If you plugged:
V a TS connector into the MONITOR INPUT, the MA400
receives a mono signal. Push this switch to MONO.
V a TRS connector into the MONITOR INPUT, the MA400
receives a stereo signal. Push this switch to STEREO.
MIC LEVEL control:
To adjust the volume of the microphone signal, slowly turn
this control toward 0 (minimum volume) or, alternatively 10
(maximum volume).
MON LEVEL control:
To adjust the volume of the mixer or Hi-Fi signal, slowly turn
this control toward 0 (minimum volume) or, alternatively 10
(maximum volume).
SERIAL NUMBER: To register your unit, use the serial number that is
located on the bottom of the MA400.
WARRANTY
For our current warranty terms, please refer to our website at
http://www.behringer.com.
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