Hi-Fi Speaker/Digital Wireless MIC Speaker/Classroom MIC Speaker

CH-30W Hi-Fi speaker and wireless Microphone can provide you with the best proposal in campus.

Full range, high sound quality. Music and vocals can express reality well.

The adoption of Class D digital power amplifier and 30W high-efficiency speaker design makes the output sensitivity up to 92dB.

The speaker built-in echo tube design presents stereo sound in bass to make people immersed in the high quality surround atmosphere and endless auditory feast.

High/low pitch optimization design, enhancing the response frequency in 50Hz and 20KHz range, regardless of high/low pitch sound quality is clearly distinguishable allowing teachers and students to interact under the pleasant sound.

Patented design, convenient and easy installation.

The speakers installed at the front of the classroom are in a dilemma that they can be heard clearly at front but blurred in the back. The unique patented installation design of the CH-30W is easy to install in the center ceiling of the classroom creating a surround sound effect allowing the clearest and best sound quality in all space.

CH-30W Hi-Fi speaker allows teaching and presentations to clear sound quality. It can be used with flat panel displays or projectors to create the smart classroom.

Name card type wireless microphone, compact, light and easy to carry.
(2.4G, 3 sec pairing, 3M pairing distance)

Thinner and lighter than a mobile phone, name card microphone less than 30 grams is convenient for teachers to hold it in your hand without any heavy discomfort. Built-in high-sensitivity condenser microphone to create the clear sound quality to let teacher or presenter behave well under the external noise or classroom fan.

The microphone uses 2.4G, 20 channels pairing mechanism, 3M pairing distance and within 3 seconds pairing time automatically. After pairing the frequency is automatically locked to prevent from interference. Under pairing microphone has 10M wireless distance so the teachers can freely teach around the classroom without any wire.

Teacher can teach in different classroom with your own MIC and frequency is not disturbed.

The microphone has 20 channels that can be automatically paired so teachers can use their own microphones to use them in different classrooms. Therefore, the teacher can carry his own wireless microphone going to different classrooms installed CH-30W speaker to use and the frequency is not interfered.

Because the frequency can be automatically paired, different teachers can also use their own microphones in different classrooms to use it at the same time, and the frequencies will not interfere with each other. It is very convenient for teachers to use.
Speaker spec.
Amplifier Class D
Wattage Output 30W Stereo
Speaker spec. 2.75" 15W/8Ω x2 full rang (high performance speaker)
SPL(Sound Presure Level) 92sB/W
Frequency Response 50Hz ~20kHz
Dimension 254.1 x 250 x 90mm
Weight 1.5Kg
Power Supply Switching Power Supply DC19V/2A
Input-Specker Audio in x1, DC in x1
Input-MIC MIC in x1, DC 5V in x1, Audio in x1
Audio Auto Off 60sec
Microphone spec.
Microphobne Type Collar type
Seneitivity -37dB(f=1KHz, S.P.L=1Pa, 0dB=1V/Pa)
Signal to Noise Ratio 70dB
Maximun Input SPL 120dB(f=1KHz, THD<1%)
Dimension 85 x 42 x 10mm
Wireless Spec.
Voltage Range 3.6V ~ 5V
Current < 50mA
Frequency Response 2.4G ~ 2.483G
Channel 20 channels (Auto-match)
Frequency Match GFSK
Audio Shift < 1.5ms
Dynamic Range@ 1KHz 81dB
Separating Degree@ 1 KHz 90dB
Distortion THD 0.1%
Matching Time 3 sec
Matching Distance 2M <
Frequency Match Distance 30M (Free space)
Battery Type Lithium bettery
Battery Time at least 8 hr use
Battery Change Time 4hr from exhausted for full charge
Receiver (Build in Speaker)
Sensitivitly -85dBm(Min)
Output Resistance 32Ω
Output Voltage 2Vp-p(Max)
Transmitter (MIC)
Transmitter Power 10mW
Input Resistance 10kΩ
Input Voltage 2.8Vp-p(MAX)
Power System DC 5V(USB charge wire)
Audio in MIC in / Audio in
Priority Channel MIC first priority
Other Spec.
Accessories-Speaker Power cord x1, Power adapter x1, 3.5mm audio cable x1, Sponges, User's Manual( CD) , QSG
Accessories-MIC 3.5mm USB cable, Clip-on microphone, Sling
*specifications subject to change without notice.


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Hi-Fi Speaker/Digital Wireless MIC Speaker/Classroom MIC Speaker
CH-30W Hi-Fi speaker and wireless Microphone can provide you with the best proposal in campus.
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