2.4G wireless USB audio transmission

2.4G wireless USB audio transmission2.4G wireless USB audio transmission is a wireless audio transmission application designed based on Microsoft and Android operating systems. Including USB wireless

  • Model: 2.4G wireless USB audio transmission

2.4G wireless USB audio transmission


2.4G wireless USB audio transmission




2.4G wireless USB audio transmission is a wireless audio transmission application designed based on Microsoft and Android operating systems. Including USB wireless headphones, USB wireless microphones, USB wireless speakers, and USB wireless headsets. The wireless transmission of non-standard protocol has low delay, good stability, and stronger anti-interference.



  • 自动分配信道

    预置信道数20个,一发多收,多套同时使用

  • 立体声双声道

    采样率:48K~16K,分辨率:16bits

  • 音频算法

    采用A-LAW

  • 通信协议

    采用A-FFC

  • 抗干扰强

    音频传输采用数字化处理

  • 自动静音

    信道质量不好,误码率高时

  • 信道切换跟随

    发射切换信道,接收自动跟随

  • 无驱设计

    操作系统自带驱动,即插即用


规格项目音频发射模块音频接收模块

供电电压

3.0~5V

3.0~5V

消耗电流

<50mA

<50mA

工作温度

0 ~ +70 ℃

0 ~ +70 ℃

频率范围

2400~2483.5MHz

2400~2483.5MHz

信道数目

20

20

调制方式

GFSK

GFSK

发射功率

10dBM


输入阻抗

10K Ohm


输入电平

2.8Vp-p(Max)


接收灵敏度


-85dBm(Min.)

输出阻抗


32 Ohm

输出电平


2Vp-p(Max)

音频时延

<1.5ms

<1.5ms

频率响应

20~20KHz,±3dB

20~20KHz,±3dB

动态范围@1kHz

81dB

81dB

分离度@1kHz

90dB

90dB

失真度THD

0.1%

0.1%



  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    配对

    只需发射与接收第一次使用时配对一次,往后开机即可使用

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    音效

    内置5段均衡可调

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    音量调节

    内置耳机功放和数字音量调节;
    内置麦克风前置放大,放大倍数可调

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    静音

    系统静音控制功能可静音麦克风和耳机

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    数据传输

    具有标准的USB键盘和USB鼠标的功能

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    标准设计

    具有标准的USB麦克风和USB耳机的功能

  • Bluetooth speaker customization, gift Bluetooth speaker, multi-functional Bluetooth speaker, outdoor Bluetooth audio, waterproof Bluetooth speaker, Bluetooth speaker factory

    提供

    标准模块和PCBA设计