The Multi-Tone Open-Area Sounder is designed  for use in open areas and can be connected to any Discovery or XP95 system.

• Updated to include choice of tones: Apollo, slow whoop and DIN
• Two volume settings 92dB(A) and 100dB(A)
• Synchronisation of tones
• Individual and group addressing
• Loop Powered
• Red or White options
• IP21C rated