Behringer Headphones MA400 User Manual

MICROMON MA400  
(5) GND LIFT button:  
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:  
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.  
one from a microphone  
one from a mixer or a Hi-Fi unit  
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.  
You can even emphasize one signal over the other. Hear yourself sing, or concentrate on the  
main audio program. Both are possible.  
(6) MONITOR INPUT connector:  
Please read the safety instructions that appear at the end of this document.  
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).  
Connectors and Control Elements  
Plug:  
one ¼" connector into the MONITOR INPUT connector  
the other ¼" connector into the AUX SEND of a mixer or, alternatively the output  
of a Hi-Fi unit  
(1)  
(3)  
(4)  
(5) (6)  
(7) ¼" PHONES connector, (8) 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.  
(9) MONO / STEREO switch:  
To specify the type of mixer or Hi-Fi signal the MA400 receives, use this switch.  
If you plugged:  
a TS connector into the MONITOR INPUT, the MA400 receives a mono signal. Push  
this switch to MONO.  
a TRS connector into the MONITOR INPUT, the MA400 receives a stereo signal.  
Push this switch to STEREO.  
(10) MIC LEVEL control:  
To adjust the volume of the microphone signal, slowly turn this control toward 0  
(minimum volume) or, alternatively 10 (maximum volume).  
(11) MON LEVEL control:  
(2) (7) (8) (9)  
Fig. 1: MA400 connectors and control elements  
(10)  
(11)  
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.  
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).  
(1) 12 Vconnector:  
Warranty  
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.  
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Manual en español disponible en behringer.com  
(2) ON LED:  
Manuali italiani disponibili @ behringer.com  
Русскоязычное руководство @ behringer.com  
As soon as the unit is connected to the mains, the ON LED is illuminated.  
(3) MIC INPUT connector:  
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Dansk vejledning findes på @ behringer.com  
To send a microphone signal to the MA400, you need an audio cable that includes XLR  
connectors.  
Plug:  
Manual português disponível @ behringer.com  
Ελληνικό εγχειρίδιο υπάρχει διαθέσιμο στη διεύθυνση behringer.com  
one XLR connector into the MIC INPUT connector  
the other XLR connector into the microphone  
@ behringer.com  
(4) MIC THRU connector:  
@ behringer.com  
If you want to route the microphone signal from the MA400 to a mixer, you need an  
audio cable that includes XLR connectors.  
Plug:  
one XLR connector into the MIC THRU connector  
the other XLR connector into a mic input on the mixer  
 

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