Wireless Soundfield IR Microphone System Office/Classroom/Meeting Room

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If you buy after clicking affiliate links on this site we might receive a commission from companies such as eBay, Amazon etc This does not affect the price you pay.
Wireless Soundfield IR Microphone System Office/Classroom/Meeting Room

If you buy after clicking affiliate links on this site we might receive a commission from companies such as eBay, Amazon etc This does not affect the price you pay.
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Overall Specification
Carrier Frequency:2.35 to 2.85MHz
S/N ratio:>100dB
Excursion Degree:40Hz with companding circuit
Distortion: Frequency Range:40Hz to 15k3dB
Signal Transmition mode: Digital Infrared
Receiver Specification
Receiver Frequency:2.35 to 2.85MHz
Output Level:240mV
Line current:450mV
Voltage:100V, 240V 50Hz
Dimension: W275xL172xD41mm
Weight:2150g

DownloadDatasheet

Infrared MIC specification
Mode: Single Dynamic
Emissivity:2.35 to 2.85MHz
Nickel Hydrogen rechargeable battery,2.4V 2500 mAh
Battery Working:nearly 7hours
Dimension: top diameter50xL240mm
Weight (with battery)300g
Charger
Charging mode:Impluse quick charge
Voltage:110,220V 50Hz
Power:DC12V 300mA x2
Charging time :nearly 12hours
Dimension : W*H*D 180x90x87mm
Weight: 500g

On 24-May-17 at 00:44:36 BST, seller added the following information:

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