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TOA Infrared Wireless Portable Microphone - IR-310M
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Literature
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.
- 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
| Specifications | |
|---|---|
| Battery | One piece of rechargeable battery for the infrared wireless microphone (option) |
| Current Consumption | typ. 215 mA (1.2 V) |
| Tone Signal | 32.768 kHz |
| Modulation Sensitivity | ±4.8 kHz (1 kHz, when SPL of 84 dB is input) |
| Microphone Element | Electret condenser microphone, Uni-directional |
| Maximum Input Sound Pressure Level | 120 dB SPL |
| Input Sensitivity Adjustment | Adjustment range: 2 levels (High, Low) |
| Audio Frequency Response | 100 Hz - 12 kHz |
| Pre-emphasis | 300 μs |
| Input | External microphone input (%%1293.5 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 Life | Approx. 8 hours (when used with one piece of IR-200BT-2 rechargeable battery) |
| Operating Temperature | 0 °C to +40 °C (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) x 109 (H) x 27 (D) mm (2.13" x 4.29" x 1.06") |
| Weight | 95 g (0.21 lb) (with battery and strap) |
| Included Accessories | Neck strap …1 |
| Optional Accessories | Battery charger: IR-310BC, Ni-MH battery: IR-210BT-2 (containing 2 pieces) |
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