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TOAIR300M


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£264.39

The IR-300M is a hands-free infrared wireless microphone. It eliminates problems with interference or eavesdropping allowing simultaneous use in adjacent conference rooms or school classrooms. Since infrared wireless microphone system uses a frequency band that does not interfere with that of the TS-800 and TS-900 series infrared conference system both systems can be simultaneously installed in the same location.

Battery IR-200BT-2 rechargeable battery for the infrared wireless microphone (option)
or AA alkaline dry cell battery (2 pieces).

Current Consumption
Typ. 250 mA (2.4 V Power selector switch: N)
Typ. 340 mA (2.4 V Power selector switch: H)

Infrared EmitterWavelength 870 nm (AM: Brightness modulation)

Modulation Method Frequency modulation

Carrier Frequency
Channel A: 3.100 MHz
Channel B: 3.350 MHz

Transmission Distance Approx. 20 m (65 ft) (Power selector switch: H in an unobstructed space)

Approx. 15 m (50 ft) (Power selector switch: N in an unobstructed space)

Tone Signal 32.768 kHz

Modulation Sensitivity ±4.8 kHz (1 kHz when SPL of 84 dB is input)

Maximum Input Sound Pressure 120 dB SPL

Input Sensitivity Adjustment Adjustment range: -9 dB to 0 dB (factory preset: 0 dB)

Microphone Unit Unidirectional electret condenser microphone

Frequency Response 100 Hz – 12 kHz

Preemphasis 300 μs

Input External microphone input (φ3.5 monaural mini jack)

Battery Operation Time
Approx. 8 h (when the IR-200BT rechargeable battery for the infrared wireless microphone is used Power selector switch: N)
Approx. 6 h (when the alkaline battery is used Power selector switch: N)

Operating Temperature 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)

Operating Humidity 30 % to 85 %RH

Finish
Control section: ABS resin metallic gray paint 50% gloss
Filter section: Polycarbonate optical cut filter

Dimensions 64 (W) Χ 91.3 (H) Χ27.3 (D) mm (2.52 Χ 3.59 Χ 1.07)

Weight 130 g (0.29 lb) (with battery and strap)

Accessory Screw driver (for setting) …1 Color label (6 colors) …1

SKU: TOAIR300M Categories: ,

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