Noise Cancelling Industrial Master S.  
                                
                                
                               
                               
                              
                                    
                           		 	
                                	
                                    • Fully equipped master station with free access to all extensions and features.
• Rugged waterproof and chip-resistant casing of orange makrolon.
• Noise cancelling microphone with protective flange.
• Red microphone live lamp.
• Built-in 10W (8 Ohm) VOX operated power amplifier.
• For use with external loudspeaker with or without power amplifier.
• Screw terminals for easy connection of installation cables.
• Freely programmable extension number (up to 6 digits as from AMC software version 9.0)