3.3 Audio connections

The MAIN inputs on the BEHRINGER POWERPLAY PRO are fully balanced. If possible, connect the unit to other devices in a balanced configuration to allow for maximum interference immunity.

+Please ensure that only qualified persons install and operate the POWERPLAY PRO. During installation and operation the user must have sufficient electrical contact to earth. Electro- static charges might affect the operation of the POWERPLAY PRO!

Output

 

Cable

 

Input

 

Pin 1

 

 

 

 

Ground

 

 

2

1

Shield

1

2

 

Pin 2

= (+) Signal

 

(+) Signal + Hum

 

Positive

(+)Hum + Signal

 

 

3

(-) Signal + Hum

 

3

 

 

 

 

 

 

Pin 3

= (-) Signal

 

 

 

Negative

(-)Hum + Signal

 

 

 

 

 

 

2 x Signal

 

 

 

RFI and Hum

 

 

= Signal + 6 dB

 

 

 

 

 

 

Fig. 3.1: Compensation of interference with balanced connections

E

Fig. 3.2: Connector for the headphones, AUX IN and DIRECT IN

3. INSTALLATION

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Behringer A4400 user manual Audio connections, Installation