Audac CSF506/W Ceiling Speaker With Fire Dome - 100VThe CSF506 W is a fire protected ceiling speaker with a 5" cone, capable of producing a power of 6 Watt. It ensures a good reproduction of speech and background music. It is fitted with a 100V line transformer with power taps for 6 Watt and 3 Watt to be used in large 100V PA systems. The speaker is equipped with a special steel fire protection dome fitted around the speaker and a steel front grill with flame retardant materials. The MK2 version is