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for classroom infrared wireless audio teaching speaker(KS268-C)
for classroom infrared wireless audio teaching speaker(KS268-C)

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Quality/Safety Certification: 0.00

for classroom infrared wireless audio teaching speaker(ks268-c) has excellent acoustic fedelity compared to traditional ones.

for classroom infrared wireless audio teaching speaker(ks268-c)

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.The host and auxiliary speakers design makes sound homogeneous, the two speakers should be connected . has an out-fitted receiver;

2.Fitted in a 50~120 persons of room, the received area is 200sqm which needs to broadcast.

3.Set a campus radio output voltage signal access, the terminal can replace the campus radio speakers, reducing the number of classroom speakers, radio signal has priority function.

4.Wireless microphone volume and broadcast signal volume are both independently adjustable.


Total Weight :9.5KG

Single Dimension (L*W*D ): 8.27''x 8.27''x19.69''(210x210x500mm)

Frequency Range:50Hz~20KHz

Reception Angle:360 degree

Output power:68W

Speaker Installation:wall-mounted

Power Requirements:220VAC  50Hz

Reception sensitivily: >85dB

Signal-to-noise :>80dB

IR Receive Frequency:2MHz (encrypted)

Infrared Ray Wavelength:850nm

Wired microphone interface: Φ6.35mm


Assembles PA

The host speaker


Necessary vice-speaker


KS-HG transmitter

1set (Headset MIC)

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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