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Asing 2.4G Wireless voice enhancement device

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2.4G Wireless Voice Ehancement Device
(WHM G2401B
)

It consists of the following:
1) Transmitter with headset    1 pc
2) Receiver                                 1 pc
3) Link Cable                              1 pc
4) USB Charging Cable             1 pc
5) User Manual                         1 pc

​This Voice Enhancement Device is light, portable, easy to use device. It is a quick fix audio device used in Public Speaking Environment, Teaching, Presentation and etc. It can be connected to Karaoke Pre-amplifier,  Audio Mixer, Loud Hailer or any equipment with Microphone input.

SPECIFICATION
Frequency Response      20Hz - 20kHz
Reception Range             ≤15m
Battery                             Rechargeable Lithium Battery
Working Voltage              2.8V - 5V
Working Current             30mA (Receiver); 60mA (Transmitter)
Transmitter Power         8dbm
Sensibility                        89dbm
SNR                                  95db
Operation Time              Max 8 Hours (Receiver)
                                         Max 6 Hours (Transmitter)
Charging Time                ~ 1 Hour 
Dimension                      43.5 x 56.5 x 16.5mm (Receiver)
                                         50.2 x 60 x 16mm (Transmitter)
Weight                             23g (Receiver)
                                         34g (Transmitter)​
DOCUMENT - Specification & Instruction Guide
whm2401b_spec.pdf
File Size: 416 kb
File Type: pdf
Download File

whm2401b_pairing___connection.pdf
File Size: 294 kb
File Type: pdf
Download File

classroom audio enhancement device

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UHF QUAD WIRELESS HEADWORN MICROPHONE DEVICE

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UHF Quad Wireless Headworn Microphone Device (WHM U41B)
It consists of the following:
1) Transmitter with headset                             4 pcs
2) Receiver Set                                                   1 Unit
3) Antenna                                                          4 pcs
4) 6.35mm/3.5mm to 3.5mm Audio Cable     1 pc
5) XLR (F) to 3.5mm Audio Cable                     1 pc
6) 3-Port USB Charger                                       1 pc
7) USB Charging Cable                                      2 pcs
8) User Manual                                                  1 pc

This Device adopts Pi/4DQPSK digital modulation/demodulation mode and all-digital wireless audio transmission to ensure high-fidelity sound quality and stable transmission. It is divided into two parts: receiver and transmitter. The receiver uses 3.5mm\ 6.35mm audio cable to connect with amplifier, mixer and speaker. The transmitter can be worn on the head, can be hand-held, and is compact and convenient to carry. It is powered by a lithium battery, and the sound quality is clear without distortion.

​
SPECIFICATION
​Frequency Range                  620-669 MHz (Approved IMDA)
Frequency Response            30Hz - 20KHz
Reception Range                   50m
Lithium Battery Capacity      400mA(Receiver); 300mA (Transmitter)
Working Voltage                    3.3V ~ 4.2V
Working Current                   370mA (Receiver); 85mA (Transmitter)
Transmission Power            10dBm
Modulation Mode                Pi/4DQPSK digital modulation
Adjustable Range                 ±20ppm
No. of Channels                    10 
Audio Delay                           3ms
Microphone Spec                  Anti-strong capacitive single-pointing
Automatic Sleep                    3 mins without sound input
Static Current                        after sleep 300uA
Low Voltage                           3.3V, Blue light flashes
Output Interface                   6.35MM and 3.5MM interface output
Operation Time                     ~9 hours (Receiver); ~3.5 hours (Transmitter)
Charging time                        ~6 hours (Receiver); ~2 hours (Transmitter)
Dimension                             160 x 100 x 27mm (Receiver);
                                                50.2 x 60 x 16mm (Transmitter)
Weight                                    491.5g (Receiver with Antenna);
​                                                37g (Transmitter with headworn
DOCUMENT - Specification & Instruction Guide
asing_spec_for_jtw_website.pdf
File Size: 212 kb
File Type: pdf
Download File

asing_u41b_instruction__for_web_.pdf
File Size: 238 kb
File Type: pdf
Download File

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CLASSROOM AUDIO ENHANCEMENT DEVICE
ASiNG 2.4G Wireless Microphone WHM G2401B
ASiNG Quad Wireless Headworn Mic WHM U41B


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