Opal AV Devices: Opal Addressable Base Sounder

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Featuring fast and simple installation and control the Opal base sounder forms the perfect base for Notifier Opal detectors. Powered by the fire panel via the loop wiring, control of the device is enabled using on-board switches or via the Opal digital protocol using the control panel. The range is installed simply by a twist fit onto the B501AP base.