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Product description
M4 UHF Wireless Microphone Transmitter and Receiver 
Transmitter
OLED display: Battery < 30%, slowly blinks. < 5% will shuts down.5V USB-C charging portPower button 
Receiver
OLED display: Battery < 30%, slowly blinks. < 5% will shuts down.5V USB-C charging portPower button
Features of M4 UHF Wireless Microphone System
1 Transmitter 2 Receiver
Features of M4 UHF Wireless Microphone System 
No More Wires
Wireless transmission, abandon the traditional wired troubles
Extra-long battery life
Single battery life up to 5.5 hours
Favor the co – use of
Built-in 7 channels, support 7 sets of simultaneous use
Package included
Multiple XLR to 1/4 inch adapters are included for a wider range of situations.
Support Multi – device and Multi – application 
Compatible Partial Devices 
M4
Wireless Mic System
Rechargeable Battery
UHF
Working Frequency
UHF
7
Frequency Channels
20
20Hz – 20kHz
Frequency Response
20Hz – 20kHz
/
Sampling Rate
/
Higher than 106 dB
SNR
110 dB
< 5ms
Delay
< 5ms
Rechargeable Battery
UHF
Working Frequency
UHF
7
Frequency Channels
20
20Hz – 20kHz
Frequency Response
40Hz – 20KHz
/
Sampling Rate
/
Higher than 106 dB
SNR
95 dB
< 5ms
Delay
< 5ms
Rechargeable Battery
UHF
Working Frequency
5.8 Ghz
7
Frequency Channels
4
20Hz – 20kHz
Frequency Response
20Hz – 20kHz
/
Sampling Rate
24-bit / 48KHz
Higher than 106 dB
SNR
>140 dB
< 5ms
Delay
< 5ms
M1 
M2 
M7 
Device Composition: This wireless audio transmission system consists of the ARC2 transmitter and ARC2 receiver. It operates on UHF frequencies and is compatible with dynamic microphones
Versatile Compatibility: Equipped with 7 channels, it supports one-to-one, one-to-many, and many-to-many transmission, allowing up to 7 sets to operate simultaneously. Compatible with dynamic microphones, speakers, PA systems, and more. The metal XLR interface ensures a stable and secure connection with various devices. An XLR-to-1/4″ adapter is included, making the microphone transmitter and receiver adaptable to multiple scenarios
Stable, Interference-resistant Signal: The system operates within a frequency band of 470-960 MHz, with a broad frequency response of 20Hz to 20kHz and a dynamic range of up to 106 dB. It offers stable RF connectivity, lossless wireless signal transmission, low noise, and low latency, ensuring clear and detailed audio quality
Long Battery Life: Built-in charging indicator and Type-C charging port with an 800mA high-capacity battery, providing over 5.5 hours of continuous operation. Perfect for stage performances, daily practice, and more
Extended Transmission Range: With a transmission range of 20-40 meters / 65-131 feet, less than 5ms latency, and a dynamic range up to 106 dB, it’s ideal for use in various settings
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