
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  | 
  | 3  | 
  | |
  | 
  | 
  | 
  | 
  | ||
Pin 3  | =   | 
  | 
  | 
  | Negative  | |
  | 
  | 
  | 
  | 
  | 
  | 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 | 9  |