2.4G Wireless USB Audio Transmission
The 2.4G wireless USB audio transmission is a wireless audio transmission application designed for Microsoft and Android operating systems. It includes wireless USB headphones, wireless USB microphones, wireless USB speakers, and wireless USB earphones. The non-standard protocol ensures low latency, excellent stability, and stronger resistance to interference in wireless transmission.
Automatic channel allocation
Pre-set 20 channels for one-to-many and multiple simultaneous use
Stereo dual-channel
Sampling rate: 48K~16K, Resolution: 16 bits
Audio algorithm
Utilizes A-LAW
Communication protocol
Uses A-FFC
Strong anti-interference capability
Digital processing for audio transmission
Automatic mute
In cases of poor channel quality and high error rates
Channel switching follows
Transmission channel switches, and reception follows automatically
Plug-and-Play Design
No driver needed, Operates with built-in OS drivers, plug-and-play
Quick guide download
| Specification Items | Audio Transmission Module | Audio Reception Module |
|---|---|---|
|
Power Supply Voltage |
3.0～5V |
3.0～5V |
|
Current Consumption |
<50mA |
<50mA |
|
Operating Temperature |
0 ～ +70 ℃ |
0 ～ +70 ℃ |
|
Frequency Range |
2400～2483.5MHz |
2400～2483.5MHz |
|
Number of Channels |
20 |
20 |
|
Modulation Type |
GFSK |
GFSK |
|
Transmission Power |
10dBM |
|
|
Input Impedance |
10K Ohm |
|
|
Input Level |
2.8Vp-p(Max) |
|
|
Receiver Sensitivity |
-85dBm(Min.) |
|
|
Output Impedance |
32 Ohm |
|
|
Output Level |
2Vp-p(Max) |
|
|
Audio Latency |
<1.5ms |
<1.5ms |
|
Frequency Response |
20～20KHz,±3dB |
20～20KHz,±3dB |
|
Dynamic Range@1kHz |
81dB |
81dB |
|
Separation @1kHz |
90dB |
90dB |
|
Total Harmonic Distortion |
0.1% |
0.1% |
Quick guide download
Pairing required only during the initial setup of transmitter and receiver, Afterward, simply power on for immediate use
Built-in 5-band adjustable equalization
Built-in headphone amplifier and digital volume adjustment Built-in microphone preamplifier with adjustable amplification factor
System mute control function to mute microphone and headphones
Functions as a standard USB keyboard and USB mouse
Functions as a standard USB microphone and USB headphones
Standard module and PCBA design
Quick guide download
