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Digital Wireless Mic. Kit - 2 Channels Handhold [Stage Class Receiver]
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Digital Wireless Mic. Kit - 2 Channels Handhold [Stage Class Receiver]

2 channals handhold wireless system kit, with true diversity receiver, base on with Digital UHF Wireless Technology.

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2 channals handhold wireless system kit, with true diversity receiver, base on with Digital UHF Wireless Technology.

 Digital UHF Wireless System 

DWM223G-ST-2

Digital Wireless Mic. Kit -2 Channels Handhold

[Stage Class Receiver]

  

  

Characteristic


▪ Digital audio system. Anti -interference, anti -string disturbances, high -fidelity, high signal -to -noise ratio, and wireless transmission distance.

▪ The performance of multi-channels working is excellent. Digital UHF technology, effective wireless transmission distance can reach 80 meters, effectively avoid interference interference.

▪ 500Mhz and 600Mhz frequency bands.

▪ Use the "Hybrid Power Supply" patent technology to use a 3.7V 14500 lithium battery or 1.5V AAA battery.

▪ A variety of receivers can be matched, including single -channel receiving machines, two -channel receiver, four -channel receiver.

▪ Wireless 20 ~ 20kHz full audio band, frequency response deviation <2DB, close to non -destructive transmission, phase deviations are -30 ° ~ + 60 °.


Application Scenarios


1. Small performance.

2. High-end meeting scenarios.


Characteristics


▪ Based on "DT220 TECH" digital U-segment wireless audio technology, it features stage studio-level sound quality, anti-interference, anti-crosstalk, high fidelity, high signal-to-noise ratio, low noise floor, and excellent wireless transmission distance.

▪ Digital U-segment technology, the effective wireless transmission distance is up to 70 meters, effectively avoiding intermodulation interference.

▪ Ultra-low power consumption, battery life >7 hours (lithium battery), standby time >20 hours.

▪ Using "hybrid power" patented technology, it can be powered by 3.7V 14500 lithium battery or 1.5V AAA AA battery.

▪ Used with a receiver with built-in lithium battery, it can be easily used outdoors.

Parameters


 Communication parameters

Transmission band

510~590MHz, 668~698MHz (varies according to different regions)


Modulation

Pi/4 DQPSK


Transmission distance

>120m MAX (related to transmitter model, RF signal absorption, reflection, interference and performance options)


Occupied bandwidth

<200KHz (parameter configuration varies according to different regions)


Frequency response

20Hz-20KHz


Transmission delay

＜4ms


Signal-to-noise ratio103dB (different depending on the transmitter)

Distortion T.H.D<0.03% （@1KHz）(different according to different transmitters)

Phase representation

+30°  ~ -60° 


Launch connector

Direct plug-in XLR male socket


Function

Battery, built-in antenna


Microphone index


TypeDynamic microphone

Sensitivity0^0 - 71dB±3dB ( 0dB=1V/ubar @ 1KHz)

Frequency response range50Hz～16kHz

Output impedance600Ω ± 30% （@1KHz)

DirectivitySingle direction

Physical and electrical indicators

Power Supply14500 lithium battery (3.7V) *2 or AA size 5 battery (1.5V) *2 [Hybrid power technology]

Battery life>6h (lithium battery) / 4h (AA battery)

SizeL=245mm；R=38mm

Weight150g(without battery)


Common Problems


1. When using a rechargeable lithium battery with poor performance, its voltage reduction circuit will interfere with the performance of the receiver.

2. When multiple sets of equipment are used at the same time, if the frequency point is set improperly, it is easy to cause performance degradation due to intermodulation interference.


Notes


  1. This model of product is recommended to be used with the iweex® brand, the same technology platform, and the model is DTR22X ("X" is any number) receiver device.

  2. Please use batteries from regular manufacturers with qualified products! Counterfeit batteries may cause leakage or even explosion. If any abnormality is found in the battery, please stop the equipment immediately and replace it to avoid the risk of explosion or damage to the equipment!


Documents


1_Manual_EN_iweex（DWM223）Digital Audio UHF Wireless System_Handhold Mic.(freq. Group)-2024.07.14


1_Manual_EN_iweex(DTR223 Series) Digital Audio UHF Wireless System_Universal Receiver(Freq._Group)_2024.07.14

       


Standard Accessories：

=========================

Handhold Microphone *2

2 Channels Receiver [stage class] *1

Antenna *4 (base on frequency band)

AA Battery *4

220V/12V & 1A Power Supply *1

Storage package *1

Manual *1

Qualification certificate *1