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infrared wireless dule-band teaching speaker system (KS368-AB)
infrared wireless dule-band teaching speaker system (KS368-AB)

Minimum Order: 0
Quality/Safety Certification: 0.00

1)can use two microphone at the same time;
2)good quality;
3)infrared wireless amplifier is health.

infrared wireless dule-band speaker system (KS368-AB)

Here is the Infrared Advantages:

1.Infrared light transmit signal,High Security,Interference Resistence and Against String Frequency


2.Emitter can be equiped with any receiver,Operate Conveniently


3.Using light refraction to achieve 360 ° sensing in 30 m, it there are barrier and turn of the teachers ,the transmitting distance can be 10m.




4.Away from the electromagnetic radiation and interference, create a healthy, environmental -protected, health, green campus.



   1. Suitable for classroom which already has speaker and amplifier and now wants to upgrading into infrared speaker system. Which saves money in the upgradation.

   2. Has two group audio frequency inputs, a group audio frequency output, a group of wired microphone input, amplitude of audio output can be adjustable.

   3. Can use four receiver to strengthen the receiving effect, the expansion area could be 400 sqm.


Weight:                                   1.6KG

Dimension(L*W*D):                8.27''x7.68''x1.97''(210x195x50mm)

Output Range:                        500mV

Reception Angle:                     360 degrees

Power Requirements:              220VAC  50Hz

Reception sensitivity:              85dB

Signal-to-noise :                      >80dB

IR Receive Frequency:             2MHz (encrypted)

Infrared Wave length:             850nm

Additional function:                  a group of out-fitted wired mics

Wired microphone interface:    one 6.35 phone jacks


Assembles PA

The upgrade host machine


KS-HG transmitter

1 set

Out-fitted receiver

1set (including15m signal line)

there are two kinds of mirophone for your reference, handhold MIC and chest-worn MIC with collar-clamp or headwear. You can choice the one u like.


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