Dongguan Callsun Electronic Technology Co., Ltd.

Amplifiers
2.4G bluetooth wireless microphone system

2.4G bluetooth wireless microphone system

1)Faster connecting.clear sound,anti-interference; 2)no string frenquency 3)use anti-feedback technology 2.4G bluetooth wireless microphone system KS868-DFunction:1.It is designed by 2.4G frequency band digit frequency-hopping and codec technology to realizes the non-string frequency,...
IR Wireless Classroom Sound System

IR Wireless Classroom Sound System

1)Infrared light transmit signal, 2)independent amplifier and passive speaker. 3)no string frequency. IR wireless classroom sound system KS668-A Sound Field Classroom Audio System help’s improve student achievement and reduces teacher’s vocal fatigue. KS668-A...
microphone system

microphone system

1)Infrared light transmit signal; 2)healthy; 3)the transmitting distance can be 10m. ...
infrared wireless multimedia microphone system

infrared wireless multimedia microphone system

1)Infrared light transmit signal, 2)no string frequency 3)professional wireless PA system ...
infrared wireless PA system

infrared wireless PA system

1)the voice results better; 2)suitable for classroom holding 50-120 persons; 3) no string frequency. ...
infrared wireless multimedia microphone system

infrared wireless multimedia microphone system

1)Infrared light transmit signal, 2)no string frequency 3)Interference Resistence and Against String Frequency ...
2.4G bluetooth wireless speaker system

2.4G bluetooth wireless speaker system

1)no string frequency 2)It is convenient. 3) Faster connecting.clear sound,anti-interference. KS268-DFUNCTION:1.It is designed by 2.4G frequency band digital frequency-hopping and codec technology to realise non-string frequency, non-interference. The transmitter and the receiver can...
portable infrared wireless teaching amplifier

portable infrared wireless teaching amplifier

1)Infrared light transmit signal, 2)High Security, 3)good quality and low price. ...
infrared wireless speaker system

infrared wireless speaker system

1)the voice and the hearing results better; 2)It is suitable for classroom holding 50-120 persons; 3)with universal design. IR wireless speaker system...
IR Wireless Classroom Sound System

IR Wireless Classroom Sound System

1)Infrared light transmit signal, 2)High Security, 3)Interference Resistence and Against String Frequency IR wireless classroom sound system KS668-A Sound Field Classroom Audio System help’s improve student achievement and reduces teacher’s vocal fatigue. KS668-A...



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