Scalable & Intelligent Public Address (PA) Solutions for Industrial Communication

INDUSTRONIC’s Public Address (PA) Modules offer powerful, flexible, and decentralized communication solutions, ensuring clear and reliable audio transmission across industrial environments. Designed for IP-based control over Ethernet, these high-performance PA units, amplifiers, and monitoring systems provide intelligent redundancy, seamless scalability, and advanced fault detection to maximize operational safety and efficiency.

Preferred Module NPA

IP-based Public Address Module

Features and Functions

  • Decentralized PA unit controlled over Ethernet/IP
  • Up to 600 W amplification in up to 8 integrated, selectively addressable speaker circuits
  • Surge protection inclusive
  • Single circuit breaker for each rectifier
  • Intelligent backup control
  • Redundant network interface
  • Integrated web interface
  • All cables (network, power, Ethernet) already included
  • All mounting accessories included
  • Easy installation with our guideline

IP-based Public Address Unit

NPA

Features and Functions

  • Decentralized PA unit controlled over Ethernet/IP
  • Exchangeable amplifier modules allow for a maximum output power of 600 W
  • Can process up to 4 simultaneous and independent amplifier channels
  • Up to 8 integrated, selectively addressable speaker circuits
  • Optional integrated speaker monitoring
  • Simplicity of system design: NPA can be placed anywhere on the LAN
  • N+1 redundancy through intelligent backup control
  • Redundant network interface
  • Class-D amplifier technology

Digital Power Amplifier 250 W 100 V

250 DVE 13
Digital Power Amplifier with 250 W continuous output and up to 7 kHz audio bandwidth with digital input

Features and Functions

  • 250 W continuous output
  • Up to 7 kHz audio bandwidth with digital input
  • Advantages of a digital power amplifier:
    • High efficiency
    • Low emergency power demand 
    • Long durability 
  • Flexible triggering due to
    • Digital input
    • Balanced analog input 
  • Freely configurable
  • Optimized according to EN 60849 or VDE 0828 as well as EN 54-16

Digital Power Amplifier 2 x 250 W 100 V

500 DVE 13
Digital Power Amplifier with 2 x 250 W 100 V continuous output and up to 7 kHu audio bandwidth with digital input

Features and Functions

  • 2 x 250 W continuous output
  • Up to 7 kHz audio bandwidth with digital input
  • Advantages of a digital power amplifier:
    • High efficiency
    • Low emergency power demand 
    • Long durability 
  • 48 VDC and 60 VDC emergency supply
  • Temperature-controlled fan
  • Integrated monitoring functions for functioning, short-circuit, excess temperature and voltage failure

Zone Control Unit

Zone Control Unit monitoring of up to 6 speaker circuits Zone Control Unit monitoring of up to 6 speaker circuits
Zone Control Unit monitoring of up to 6 speaker circuits
Zone Control Unit monitoring of up to 6 speaker circuits

Features and Functions

  • Monitoring of up to 6 speaker circuits (basic version) 
  • Connection of up to 3 amplifiers with 250 W each (basic version)
  • Connection of a backup amplifier with 250 W (basic version)
  • Number of speaker circuits and amplifiers to be monitored can be expanded to an almost unlimited amount
  • The mandatory call relay of optional volume control units of type 6 VCU can be controlled by the zone control unit
  • 2 general purpose control line outputs and 1 potential-free input per control board

Line Monitoring Unit

6 LME 01
Line Monitoring Unit monitoring of six loudspeaker or flasching warnin beacon lines

Features and Functions

  • Impedance monitoring of six loudspeaker or flashing warning beacon lines with ad-justable discrepancy value
  • Line monitoring functions
    • Short-circuit
    • Line break
    • Impedance error
    • Ground leakage
  • Cutting off the line in case of a short-circuit
  • Adjustable measuring cycle
  • Selectable measuring frequency

Terminal Block for Monitored Speaker Loops

6 LMT 01
Terminal Block for Monitored Speaker Loops for 6 speaker circuit wired as loops Terminal Block for Monitored Speaker Loops for 6 speaker circuit wired as loops
Terminal Block for Monitored Speaker Loops for 6 speaker circuit wired as loops
Terminal Block for Monitored Speaker Loops for 6 speaker circuit wired as loops

Features and Functions

  • For 6 speaker circuits wired as loops
  • Terminating resistors for monitoring of speaker circuits
  • Adjustment of terminating resistors via DIP switches
  • Integrated overvoltage protection
  • Separation capability on the input side