The CSW55 is a professional ceiling speaker with an integrated white LED unit which can be used as visible alarm signal. It features a 4 1/3" single cone loudspeaker which is capable of producing up to 10 Watt RMS, with a maximum of 20 Watt and it ensures good reproduction of speech and background music in all situations. The speaker is fitted with a 100V line transformer and there are different power taps available for 6 Watt, 3 Watt and 1.5 Watt at 100V. The integrated White unit deliver a light intensity of 24 Lumen on a supply voltage of 24V DC.