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https://www.gonsin.com/products/wireless-microphone/

Features of Wireless Mic System GX-U402-G/GX-U404-G
One receiver can be equipped with 2 hand microphones (GX-U402A-G)/rectangular columnar short microphones (GX-U402D-G)

One receiver can be equipped with 4 hand microphones (GX-U404A-G)/rectangular columnar short microphones (GX-U404D-G)

The receiver adopts metal shell design, segmented LCD displays system information, and each channel is set with independent buttons to facilitate user operation, with total volume control knob

It adopts full digital wireless communication technology, which can resist interference and

multipath fading, and is not affected by light and infrared. It can be used stably in WLAN environment

The receiver adopts true diversity large dynamic receiving circuit, and supports 48kHz audio sampling frequency and up to 100 communication frequency points

Internal CRC is adopted, audio and data are transmitted by 32-bit encrypted word to ensure the privacy of communication and avoid eavesdropping and malicious interference

Adopt high performance communication antenna, and support antenna extension. The straight-line barrier free working distance of wireless signal is 100 meters

The receiver supports antenna cascade, and multiple receivers can share a set of antenna system, which is convenient for project installation and wiring

The receiver supports the power supply function of antenna amplifier, which can supply power for the specified active antenna, reduce the intermediate equipment of the system and improve the convenience

Single or mix output in each channel, independent electronic volume adjustment in each channel

The mixed output has balanced output and unbalanced output, which can be flexibly adapted to various post-stage equipments

The receiver supports one key automatic frequency sweeping function. The system automatically detects the current wireless environment, and selects clean frequency points, improving the communication stability

The receiver supports one key lock / unlock function, which can prevent the setting change caused by personnel misoperation

It is powered by safe and smart adapter, which meets the safety certification and is suitable for various regions (adapter connector depends on the regions)

The receiver provides USB interface to connect with PC to realize PPT page turning function (the function depends on the version)

Technical Specifications of Wireless Microphone System GX-U402-G/GX-U404-G
Transmission technology
Full digital audio, Pi/ 4 DQPSK digital modulation and mediation

Encryption technology
32Bit encryption

Working frequency
ISM international standard frequency band

Audio frequency response
20Hz～20kHz

Power interface
DC 24V

Communication interface
1RS485 interface of group Phoenix terminal

Antenna interface
2 BNC input interface, with power output, used to connect the receiving antenna
2 BNC output interface for antenna cascade

Audio interface
One receiver with 2 wireless microphones: 2CH XLR independent output,
XLR + TRS6.35 mixed output;
One receiver with 4 wireless microphones: 4CH XLR independent output,
XLR + TRS6.35 mixed output

Other interfaces
1 USB interface is used to connect PC for PPT page turning function

Working temperature
0~45°C

Storage temperature
-20~50°C

Size
420×185×45mm

Install
Desktop or 19 'cabinet installation

Weight
2.5kg

Microphone type
Hand microphone , clip microphone, head-mounted microphone,
rectangular columnar short microphone, gooseneck microphone

Microphone power supply
Battery

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