***Please note that the version I carry has the new version of the BT chip that has one button pairing vs the older versions. This version is not available on the TS website and has been for us to support the DIY application in the DIY audio space.

TSA1702B is a Bluetooth + DSP board with an AudioB I2S v4 (this is excusive to TCC) module that supports Apt-X. It can be powered by a microUSB cable or any DC9V-30V power supply. You can pair it with a mobile phone or a computer (etc). Power the board, use your phone or PC (etc) to search for a new Bluetooth device. The module will appear as "TSA1702B". You don't need a PIN, pair it and then you can play music. It is just like a TSA1701 + Bluetooth.

The TSA1702B is a complete audio digital signal processing module. The main DSP chip on this module is ADAU1701. The application range from active loudspeaker concepts (digital 3 way 3 unit, 2 way 2 unit crossover, bass enhancement, etc.) and realize the transformation from 2.0 to 2.1. It has four potentiometers and with default program loaded. Customers can adjust the gain, bass, midrange and treble. It also has a debug port for Sigima Studio, and users can program this module with our USBi programmer to get more functions that include equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, etc.

How to use:

Single module

1. Double click S1, module into pairing mode. (Voice: Pairing, blue LED flash 2 times per cycle.)

2. Now, your smartphone will be able to find a new Bluetooth device which name is "AudioB I2S", connect it. (Voice: Pairing successful, blue LED flash 1 time per cycle.)

3. You can play music now.

Party connection (multi modules can connected together)

• transmitter module

• Power up module, blue LED flash 3 times per cycle.

• Double click S1, module into pairing mode. (Voice: Pairing, blue LED flash 2 times per cycle.)

• Now, your smartphone will be able to find a new Bluetooth device which name is "AudioB I2S", connect it. (Voice: Pairing successful, blue LED flash 1 time per cycle.)

• You can play music now. If you only use one module, you don't need do the following steps.

• Single click S1, module will switch between transmitter mode and receiver module. Stop click when you hear voice: broadcast mode, it means the module is set to transmitter mode, Red LED is ON.

• receiver module

• Power up another module, blue LED flash 3 times per cycle.

• Single click S1, module will switch between transmitter mode and receiver module. Stop click when you hear voice: broadcast audio enabled, it means the module is set to receiver mode. Green LED is ON

• Press and hold S1 button about 1 second on transmitter module, press and hold S1 button about 1 second on receiver module, the transmitter module will auto searching (30 seconds) receiver module. Both transmitter and receiver module will be connected. (Voice: pairing successful)

• The receiver module will have music out now.

• If a new module want to join as receiver, repeat step1~step3 on the new module.

• If a receiver wants to quit, click S1 button on that module to set it into transmitter mode.

If you connected RGB Matel Push Button with cable to the mdule, it works same as S1 button on the module.

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