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[Replacement head microphone for MM-SPAMP9 (hands-free megaphone speaker)]
●This head microphone can be used with Sanwa Supply's hands-free megaphone speaker (model number: MM-SPAMP9). ●The microphone part has a flexible arm and can be moved freely. ※This product is for MM-SPAMP9 only. You will not get sufficient performance if you connect it to other megaphones.
■Type: Unidirectional Electret Type ■Frequency Response: 30Hz to 23KHz ■Input Signal: Cable Microphone (-41dB to ±1dB) (0dB=1V/Pa) ■Operating Voltage: 1.35V to 3.3V ■S/N Ratio: 58dB or higher ■Current Consumption: 0.5mA or less (Supply Voltage 3V) ■Impedance: 2.2K ohms (1KHz) ■Weight: Head Microphone/Approx. 30g ■Cable Length: Approx. 1m
