TOA PC-1860BS-C is a ceiling mount speaker suitable for announcement and background music (BGM) systems. With its 6W power output, 100V or 70V line operation, and wide frequency response of 170 Hz to 20 kHz, it delivers clear and evenly distributed sound. The speaker is compliant with British Standard BS 5839-8: 2008 and European Standard EN 54-24: 2008, making it suitable for use in voice alarm systems. Additionally, its 1uF bipolar blocking capacitor allows for DC monitoring of the speaker circuit.