IR-310M Y
紅外線無線麥克風
IR-310M Y
IR-310M 是一款輕巧的免持紅外線無線麥克風。它專為在學校教室使用而設計，消除了介面或竊聽問題，允許在相鄰教室同時使用。它能夠在兩個可選紅外線頻率之一上運行，並且兩個發射器可以同時工作。它還能夠使用一顆可充電 AA 鎳氫電池 IR-210BT-2 連續運行長達 8 小時。
- 可用作免持或手持式麥克風
- 機身輕巧，造型低調
- 單顆 AA 電池可工作 8 小時
- 麥克風靈敏度可依應用調整
- 堅固的衣夾可防止免持使用時晃動或旋轉
電池
One piece of rechargeable battery for the infrared wireless microphone (option)
消耗電流
typ. 215 mA (1.2 V)
紅外線發射
波長
870 nm (AM: Brightness modulation)
調變方式
Frequency modulation
載波頻率
Channel A: 3.100 MHz
Channel B: 3.350 MHz
Channel B: 3.350 MHz
有效距離
Approx. 15 m (50 ft) (in an unobstructed space)
音聲頻率
32.768 kHz
調變敏感度
±4.8 kHz (1 kHz, when SPL of 84 dB is input)
麥克風組成
Electret condenser microphone, Uni-directional
最大輸入音壓
120 dB SPL
Input Sensitivity Adjustment
Adjustment range: 2 levels (High, Low)
音聲頻率響應
100 Hz - 12 kHz
預加重
300 μs
輸入
External microphone input (%%1293.5 monaural mini jack, phantom powered)
Switch
Power Switch, Channel selector Switch, Microphone sensitivity selector switch, Function button
指示燈
Power LED (Combined with battery life indicator)
電池使用壽命
Approx. 8 hours (when used with one piece of IR-200BT-2 rechargeable battery)
工作溫度
0 °C to +40 °C (32 °F to 104 °F)
工作濕度
90 %RH or less (no condensation)
外觀
Control section: ABS resin, White
Filter section: Polycarbonate, optical cut filter
Filter section: Polycarbonate, optical cut filter
尺寸
54.2 (W) x 109 (H) x 27 (D) mm (2.13" x 4.29" x 1.06")
重量
95 g (0.21 lb) (with battery and strap)
附屬品
Neck strap …1
選配品
Battery charger: IR-310BC
Ni-MH battery: IR-210BT-2 (containing 2 pieces)
Ni-MH battery: IR-210BT-2 (containing 2 pieces)
請下載資料以獲取完整規格。
所需配件
The Infrared Wireless Microphone shall be housed in a ABS resin white case measuring 54.2 (W) x 109 (H) x 27 (D) (2.13" x 4.29" x 1.06") and weighing 95 g (0.21 lbs.) with battery and strap. It shall include an integrated uni-directional condenser microphone featuring high sensitivity and clear sound and infrared emitter to transmit the infrared beam for communications. The Infrared Wireless Microphone shall be lightweight with unobtrusive styling. It shall be usable as hands-free or hand-held microphone. 8 hours operation shall be realized with a single rechargeable NiMH battery (AA). The microphone shall be equipped with an external microphone input terminal (ø3.5 monaural mini jack) allowing it to be used in combination with an optional microphone. Microphone sensitivity shall be adjustable to suit application. Function button shall be incorporated for use in paging or external device control via an optional interface unit. The microphone shall be equipped with sturdy clothing clip to prevent wobbling or rotation during hands-free use. Selectable one of 2 different frequencies. The unit shall have a frequency response of 100Hz to 12kHz and can accept a maximum Sound Pressure Level of 120dB. The Infrared Wireless Microphone shall be the TOA model IR-310M.
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