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+86-757-2236-0968
+86-757-2236-0968 +86-189-2326-6901
foreigntrade@gonsin.com

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foreigntrade@gonsin.com
Gonsin Conference Equipment Co., LTD.
Gonsin Conference Equipment Co., LTD.

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TL-3200 Desktop Digital Conference System
TL-3300 Desktop Digital Conference System
TL-4200 Desktop Digital Conference System
TL-4300 Desktop Digital Conference System
TL-5600 Flush-mounting Combination Digital Conference System
Leaders Series Rectangular Columnar Short Microphone MIC-240B
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Active Directional Antenna GX-ANT101-X
Active Omni-directional Antenna GX-ANT102-X
Signal Splitter GX-ANT201-X
Antenna Combiner GX-ANT202-X
Antenna Amplifier GX-ANT203-X
Power Supply Sequencer GX-PS108-C
Digital Feedback Suppressor GX-FBK05-N
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Troubleshooting and Solution for Meeting Hall Sound System

Apr 23-2024

Wireless Microphone

Mic Wireless
Handheld Mic
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Cordless Mic With Speaker
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Cordless Microphone
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Conference Sound System
Conference Room Audio Solutions
Conference Room Audio System
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Get A Quote
Wireless Microphone GX-U402-G/GX-U404-G
Wireless Microphone GX-U304A-X\GX-U304B-X\GX-U304C-X\GX-U304D-X
GX-U302A-X\GX-U302B-X\GX-U302C-X\GX-U302D-X
Technical Specifications

Features of Wireless Microphone 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 GX-U402-G/GX-U404-G

Transmission technologyFull digital audio, Pi/ 4 DQPSK digital modulation and mediation
Encryption technology32Bit encryption
Working frequencyISM international standard frequency band
Audio frequency response20Hz～20kHz
Power interfaceDC 24V
Communication interface1RS485 interface of group Phoenix terminal
Antenna interface2 BNC input interface, with power output, used to connect the receiving antenna
2 BNC output interface for antenna cascade
Audio interfaceOne 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 interfaces1 USB interface is used to connect PC for PPT page turning function
Working temperature0~45°C
Storage temperature-20~50°C
Size420×185×45mm
InstallDesktop or 19 'cabinet installation
Weight2.5kg
Microphone typeHand microphone , clip microphone, head-mounted microphone,
rectangular columnar short microphone, gooseneck microphone
Microphone power supplyBattery


Features of Wireless Microphone GX-U304A-X\GX-U304B-X\GX-U304C-X\GX-U304D-X

  • One receiver can be equipped with 4 hand microphones(GX-U304A-X)/clip microphone (GX-U304B-X)/ head-mounted microphone(GX-U304C-X)/desktop microphone(GX-U304D-X)

  • Receiving metal shell design, strong structure and strong isolation of harmonic interference

  • RF high dynamic range design, high-performance devices, greatly improve the anti-interference characteristics of the system, eliminate the reception of broken sound

  • Adopt antenna diversity large dynamic receiving circuit, digital pilot, RF intensity identification, noise triple mute circuit control, to make receive no dead angle

  • Up to 2000 selective frequencies and a set of 16 frequencies for self-setting and storage preferences

  • The most advanced ,automatic and fast setting and undisturbed working channels

  • Modular and automatic sweep-frequency reception for signal transmission

  • Up to 16 microphones to be used at the same time

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

  • With mic/Line conversion for more post-equipment devices

  • LED lamp post and LED display to clearly display the various operating functions and setting parameters of the receiver.

  • Use the jog dial to facilitate user operation of various functions and parameter settings

  • With AC power supply and antenna cascade design, easy to connect

  • Provide power supply function of antenna amplifier, which can supply power for GONSIN X series active antenna, increase receiving distance and stabilize receiving effect

  • 100~240V wide power supply design, suitable for more regions


Technical Specifications of Wireless Microphone GX-U304A-X\GX-U304B-X\GX-U304C-X\GX-U304D-X

ModelGX-U302A-X
GX-U304A-X		GX-U302B-X
GX-U304B-X		GX-U302C-X
GX-U304C-X		GX-U302D-X
GX-U304D-X
System parameters
Frequency range640MHz-690MHz; 530MHz-580MHz(optional)
Channels2000CH
Frequency response50-18kHz(±3dB)
Effective use distance80m(Unobstructed)
Frequency interval250kHz
Frequency width50MHz
Frequency oscillation modePLL

Receiver parameters

RF stability±0.005%(-10°C~50°C)
SNR>105dB(1kHz-A)
Max Frequency Deviation±45kHz
T.H.D<0.5%@1kHz
Maximum output voltage10dBV
Sensitivityabout 9uv(Noise<52dBr)
Reception" CPU control selection and Pilot identification reception"
MuteCPU Noise MUTE
DisplayLCD
Output impedance2.2KΩ
Output connector4CH XLR single output, XLR+TRS6.35 mix output
Volume output2 gear LINE, MIC
Power supplyAC100~240V 50/60Hz
Power8W
Product Dimensions482×265×44mm
Net weight2.6kg
Transmitter parameters
AppearanceHand
microphone		Clip
microphone		Head-mounted
microphone		Desktop
microphone
Frequency oscillation modePLL
Transmit modeCPU Control Carrier Generation and Pilot generation
Carrier frequency band640MHz-690MHz? 530MHz-580MHz optional
Transmit power3mW/30mW (optional)
Switch channels2000
Frequency stability±5ppm(-5°C~50°C)
Normal/peak frequency offset±24kHz/±48kHz
DisplayLCD
Battery lifeMaximum 11 hours(2 AA alkaline batteries)
Microphone CapsuleMoving coilCapacitiveCapacitiveCapacitive
MaterialAluminum alloy tube
+ metal mesh cover		ABS+PCABS+PCABS+PC
Dimensions265×48mm
(L×DIA)		105×66×22mm
(H×W×D)		105×66×22mm
(H×W×D)		172×136×50mm
(L×W×H)No mic rod
Mic rod length---450mm
Weight(without battery)409g162g162g730g


Features of Wireless Microphone

GX-U302A-X\GX-U302B-X\GX-U302C-X\GX-U302D-X Wireless Microphone

  • One receiver can be equipped with 2 hand microphones(GX-U302A-X)/clip microphone (GX-U302B- X)/ head-mounted microphone(GX-U302C-X)/desktop microphone(GX-U302D-X)

  • Receiving metal shell design, strong structure and strong isolation of harmonic interference

  • RF high dynamic range design, high-performance devices, greatly improve the anti-interference characteristics of the system, eliminate the reception of broken sound

  • Adopt antenna diversity large dynamic receiving circuit, digital pilot, RF intensity identification, noise triple mute circuit control, to make receive no dead angle

  • Up to 2000 selective frequencies and a set of 16 frequencies for self-setting and storage preferences

  • The most advanced, automatic and fast setting and undisturbed working channels

  • Modular and automatic sweep-frequency reception for signal transmission

  • Up to 16 microphones to be used at the same time

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

  • With mic/Line conversion for more post-equipment devices

  • LED lamp post and LED display to clearly display the various operating functions and setting parameters of the receiver.

  • Use the jog dial to facilitate user operation of various functions and parameter settings

  • With AC power supply and antenna cascade design, easy to connect

  • Provide power supply function of antenna amplifier, which can supply power for GONSIN X series active antenna, increase receiving distance and stabilize receiving effect

  • 100~240V wide power supply design, suitable for more regions


GX-U304A-X\GX-U304B-X\GX-U304C-X\GX-U304D-X Wireless Microphone

  • One receiver can be equipped with 4 hand microphones(GX-U304A-X)/clip microphone (GX-U304B- X)/ head-mounted microphone(GX-U304C-X)/desktop microphone(GX-U304D-X)

  • Receiving metal shell design, strong structure and strong isolation of harmonic interference

  • RF high dynamic range design, high-performance devices, greatly improve the anti-interference characteristics of the system, eliminate the reception of broken sound

  • Adopt antenna diversity large dynamic receiving circuit, digital pilot, RF intensity identification, noise triple mute circuit control, to make receive no dead angle

  • Up to 2000 selective frequencies and a set of 16 frequencies for self-setting and storage preferences

  • The most advanced, automatic and fast setting and undisturbed working channels

  • Modular and automatic sweep-frequency reception for signal transmission

  • Up to 16 microphones to be used at the same time

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

  • With mic/Line conversion for more post-equipment devices

  • LED lamp post and LED display to clearly display the various operating functions and setting parameters of the receiver.

  • Use the jog dial to facilitate user operation of various functions and parameter settings

  • With AC power supply and antenna cascade design, easy to connect

  • Provide power supply function of antenna amplifier, which can supply power for GONSIN X series active antenna, increase receiving distance and stabilize receiving effect

  • 100~240V wide power supply design, suitable for more regions


Conference Room Microphone System

Technical Specifications of Wireless Microphone

ModelGX-U302A-XGX-U302B-XGX-U302C-XGX-U302D-X

GX-U304A-XGX-U304B-XGX-U304C-XGX-U304D-X
System parameters
Frequency range640MHz-690MHz; 530MHZ-580MHZ(optional)
Channels2000CH
Frequency response50-18KHz(±3dB)
Effective use distance80m(Unobstructed)
Frequency interval250KHz
Frequency width50MHz
Frequency oscillation modePLL
Receiver parameters
RF stability±0.005%(-10°C~50°C)
SNR>105dB(1KHz-A)
Max Frequency Deviation±45KHz
T.H.D<0.5%@1KHz
Maximum output voltage10dBV
Sensitivityabout 9uv(Noise<52dBr)
Reception" CPU control selection and Pilot identification reception"
MuteCPU Noise MUTE
DisplayLCD
Output impedance2.2KΩ
Output connector4CH XLR single output, XLR+TRS6.35 mix output
Volume output2 gear LINE, MIC
Power supplyAC100~240V 50/60Hz
Power8W
Product Dimensions482*265*44mm
Net weight2.6Kg
Transmitter parameters
AppearanceHand microphoneClip microphoneHead-mounted microphoneDesktop microphone
Frequency oscillation modePLL
Transmit modeCPU Control Carrier Generation and Pilot generation
Carrier frequency band640MHz-690MHz 530MHZ-580MHZ optional
Transmit power3mW/30mW (optional)
Switch channels2000
Frequency stability±5ppm(-5°C~50°C)
Normal/peak frequency offset±24KHz/±48KHz
DisplayLCD
Battery lifeMaximum 11 hours(2 AA alkaline batteries)
Microphone CapsuleMoving coilCapacitiveCapacitiveCapacitive
MaterialAluminum alloy tube + metal mesh coverABS+PCABS+PCABS+PC
Dimensions265*48mm(L*DIA)105*66*22mm(H*W*D)105*66*22mm(H*W*D)172*136*50mm(L*W*H)No mic rod
Mic rod length---450mm
Weight(without battery)409g162g162g730g




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