DescriptionThe VSO base sounder is designed to work with a variety of detector brands to provide a cost-effective sounder solution.As standard the VSO comes with 32 sounder tones with a two-stage alarm override which is activated by a third negative wire from the panel.Suitable for conventional and two wire (SAV-WIRE) fire alarm systems. Cover plate sold separately.FeaturesApproved to EN54-3 by LPCB and VdSAccepts most leading detector bases including those from Apollo and HochikiCover plate creates a stand-alone sounder when a detector is not fittedVSL variant includes LED ring to provide 360° visual indication of alarm status
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