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SensoIRIS BSOU IS is аn addressable fire base with built-in sounder and isolator module in its body. SensoIRIS BSOU IS is designed for installing in addressable fire alarm systems supporting TTE communication protocol. The device is powered on from the panel and can be controlled via the communication protocol. The addressable SensoIRIS BSOU IS fire base supports 32 different tone types at two sound levels. The tone type and sound level are programmed from the control panel. The device is designed for easy installation and consists of two parts: mounting plane basis and sounder in a common body with factory mounted fire base.