IR-310M Microphone

  • Overview
  • Specification
  • Downloads

  • The IR-310M is a lightweight, hands-free infrared wireless microphone. It is designed for use in the school classrooms and eliminates problems with interface or eavesdropping, allowing simultaneous use in adjacent classrooms. It is capable of operating on one of two selectable IR frequencies and two transmitters can work simultaneously. It is also capable of operation with one piece of rechargeable AA Ni-MH battery IR-200BT-2 for continuous operation up to 8 hours. 
  • Specification
    Battery One piece of IR-200BT-2 rechargeable battery for the infrared wireless microphone (option)
    Current Consumption typ. 215 mA (1.2 V)
    Wavelength 870 nm (AM: Brightness modulation)
    Modulation Method Frequency modulation
    Carrier Frequency Channel A: 3.100 MHz
    Channel B: 3.350 MHz
    Transmission Distance Approx. 15 m (50 ft) (in an unobstructed space)
    Tone Signal 32.768 kHz
    Modulation Sensitivity ±4.8 kHz (1 kHz
    Microphone Element Electret condenser microphone
    Maximum Input Sound Pressure 120 dB SPL
    Input Sensitivity Adjustment Adjustment range: 2 levels (High
    Frequency Response 100 Hz – 12 kHz
    Preemphasis 300 μs
    Input External microphone input (%%1293.5 monaural mini jack
    Switch Power Switch
    Function button
    Indicator Power LED (Combined with battery life indicator)
    Battery Operation Time Approx. 8 hours (when used with one piece of IR-200BT-2 rechargeable battery)
    Operating Temperature 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)
    Operating Humidity 90 %RH or less (no condensation)
    Finish Control section: ABS resin
    Filter section: Polycarbonate
    Dimensions 54.2 (W) × 109 (H) × 27 (D) mm (2.13 × 4.29″ × 1.06)
    Weight 95 g (0.21 lb) (with battery and strap)
    Accessory Neck strap …1

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