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ไมโครโฟนไร้สาย TOA IR-300M Infrared Wireless Microphone

ไมค์ลอย อินฟาเรด แบบมือถือ TOA IR-300M แบบคอนเดนเซอร์ รูปแบบการรับเสียงแบบ คาร์ดิออย For TOA IR Wireless Series, Neck-worn Strap, Hands Free Operation, Built-In Cardioid Microphone, 1/8″ (3.5mm) Mini External Mic Input, 2 Selectable Frequencies

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Product Description

TOA IR-300M Infrared Wireless Microphone

ไมค์ลอย อินฟาเรด แบบมือถือ TOA IR-300M แบบคอนเดนเซอร์ รูปแบบการรับเสียงแบบ คาร์ดิออย For TOA IR Wireless Series, Neck-worn Strap, Hands Free Operation, Built-In Cardioid Microphone, 1/8″ (3.5mm) Mini External Mic Input, 2 Selectable Frequencies

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.

Features:

  • Ready-to-wear design with neck strap
  • Intelligent positioning of the emitter avoids drop-outs through user‘s handling
  • Built-in electret condenser microphone
  • Infrared light emission intensity adjustable
  • 2 selectable channels
  • Antibacterial treatment
  • Low-battery indicator
  • Connection of optional external microphone possible
  • An external MIC input level adjustable
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Specifications

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 Emitter

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. 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) × 91.3 (H) ×27.3 (D) mm (2.52″ × 3.59″ × 1.07″)
Weight 130 g (0.29 lb) (with battery and strap)
Accessory Screw driver (for setting) …1, Color label (6 colors) …1

Downloads

ดาวน์โหลด Data Sheet TOA IR-300M

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โทร. : 02-2031821 , 02-6414744
สายด่วน : 095-9265276 , 086-3114142

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