TOA IR-310M-Y Lightweight Infrared Wireless Hands Free Microphone

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.

Includes:

• Neck strap x1

Specifications:

• Battery:
  • One piece of IR-200BT-2 rechargeable battery for the infrared wireless microphone (option)
  • Current Consumption: typ. 215mA (1.2V)
• Infrared Emitter
  • Wavelength: 870nm (AM: Brightness modulation)
  • Modulation Method: Frequency modulation
  • Carrier Frequency:
    • Channel A: 3.100MHz
    • Channel B: 3.350MHz
  • Transmission Distance: Approx. 15m (50ft) (in an unobstructed space)
  • Tone Signal: 32.768kHz
  • Modulation Sensitivity: ±4.8kHz (1kHz, when SPL of 84dB is input)
  • Microphone Element: Electret condenser microphone, Uni-directional
  • Maximum Input Sound Pressure: 120dB SPL
  • Input Sensitivity Adjustment: Adjustment range: 2 levels (High, Low)
  • Frequency Response: 100Hz - 12kHz
  • Preemphasis: 300µs
  • Input: External microphone input - monaural mini jack, phantom powered
  • Switch: Power Switch, Channel selector Switch, Microphone sensitivity selector 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°C to +40° (32°F to 104°F)
  • Operating Humidity: 90% RH or less (no condensation)
  • Finish:
    • Control section: ABS resin, White
    • Filter section: Polycarbonate, optical cut filter
  • Dimensions: 54.2 (W) × 109 (H) × 27 (D) mm (2.13" × 4.29" × 1.06")
  • Weight: 95g (0.21lbs) (with battery and strap)