Addressable sounder integrated in ivory color detector base and with insulator. It connects and feeds the loop occupying a control module address. Max consumption: 10.5mA. Max sound output 95dBA +/- 3dB @ 1m. It has 32 tones and 3 volume levels (high, medium and low) selectable by microswitches. It allows the installation of any analog detector of the MI- series. Requires base B501AP-IV, BRR or WRR.