Description
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-210BT-2 for continuous operation up to 8 hours.
Features:
- Usable as hands-free or hand-held microphone
- Lightweight body with unobtrusive styling
- 8-hour operation with single AA battery
- Microphone sensitivity adjustable to suit application
- Sturdy clothing clip to prevent wobbling or rotation during hands-free use
Technical Specifications
Battery Life
8 Hours
Color
White
Current
215mA
Frequency
100 Hz - 12 kHz
Indicator
LED
Material
ABS Resin, Polycarbonate
Operating Humidity
90 %RH or less (no condensation)
Operating Temperature
0 °C to +40 °C (32 °F to 104 °F)
Sound Pressure
120dB SPL
Tone Signal
32.768 kHz
Transmission Distance
15 m (50 ft) (in an unobstructed space)
Voltage
1.2VDC
Wavelength
870 nm (AM: Brightness modulation)
Warranty
5 Years Warranty