TSA1701 Audio DSP Board

US $24.95

93 in stock
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The TSA1701 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 also has four potentiometers and with default program loaded. Customers can adjust the gain, bass, midrange and treble.

It also has a debug port for Sigma Studio, users can program this module with our USBi programmer to get more functions which includes equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, etc.

Pins define:

Port name Pin name Direction Description
External Potentiometers port 3.3V Power Out 3.3V Output
A_ADC1 Analog In Treble control
A_ADC2 Analog In Midrange control
A_ADC3 Analog In Bass control
A_ADC0 Analog In Gain control
Audio Input GND
ADC1 Analog In Right channel
ADC0 Analog In Left Channel
Audio Out1 GND
DAC0 Analog Out Left Channel
DAC1 Analog Out Right channel
Audio Out2 GND
DAC2 Analog Out Left Channel
DAC3 Analog Out Right channel
Tinysine AMP sub control Port Line Out0 Analog Out DAC0
Line In0 Analog In ADC0

Warning: You need disconnect the soldering pads on the board back side when you connect external potentiometers. Or the ADC port may burned. Potentiometers value: 1Kohm-100Kohm.


TSA1701 controls our 2.1 channel amplifier board subwoofer channel

TSA1701 works with stereo amplifier board


  • Size: 7.2cm x 5cm
  • 28-/56-bit, 50 MIPS Digital Audio Processor
  • Audio out output level: 0.9Vrms
  • Fully Programmable with SigmaStudio Graphical tool
  • 5V micro USB or DC 9-30V Power input
  • 4 pins cable included


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