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[Head microphone compatible with MM-SPAMP2 (hands-free megaphone speaker)]
●This head microphone can be used with Sanwa Supply's hands-free megaphone speaker (model number: MM-SPAMP2). ●The microphone part has a flexible arm and can be moved freely.
■Type: Unidirectional electret condenser type ■Frequency response: 80Hz to 12kHz ■Input sensitivity: -45dB (0dB=1V/Pa 1kHz) ■Operating voltage: 1.5 to 3V ■S/N ratio: 55dB or higher ■Current consumption: 0.5mA or less (supply voltage 3V) ■Impedance: 2.2k ohms (1kHz) ■Connector: 3.5mm mini plug (monaural) ■Weight: Head microphone/approx. 35g ■Cable length: approx. 1m
