infrared wireless speaker(KS168-A)

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.

 

 

Features:

1.Set the receiver, amplifier,and speaker as a whole. No need to use connect wire when inatalled.

2.Output power is 50W, suitable for small and medium-sized classroom holding 50-80 persons with the area of 120sqm.

3.With audio input and output; volume range can be adjustable;

4.Can connect a wire microphone, wired microphone and wireless microphone volume can be adjustable independent;

5.Can be upgraded to dual-band receiver KS-AB type.

Specifications:

Weight :5.5KG

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

Output Power:50W

Frequency Range:50Hz~20KHz

Reception Angle:360 degrees

Speaker Installation:wall-mounted

Power Requirements:220VAC  50Hz

Reception sensitivily:85dB

Signal-to-noise ratio (SNR) :>80dB

IR Receive Frequency:2MHz (encrypted)

Infrared Wavelength:850nm

Wire microphone interface: Φ6.35mm

 

 

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.