Description
This amplifier board using ADI's class-D amplifier SSM3302, plus DSP ADAU1701 for EQ, crossover, limit, volume control etc.
the optional boards are:
4 x 10W SSM3302 x 2
2 x 20W SSM3302 x 2 IN MONO
4 x 25W SSM3582 x 2
All board support analog in besides Bluetooth in mode also.
There is a volume controller on the board, you can change the whole input volume.
The output mode/EQ/crossover setting can be customized as you liked, please let me know if you want.
The default setting is just 2ch in and copied to 4 ch out, my default EQ processing in DSP without X-OVER.
But you can also change the DSP project by using your USBi in I2C mode with SigmaStudio, I can send the DSP project to you if you need.
Please contact me if you have any question or help from me.
ANALOG AMPLIFIER BASED ON SSM3302+ADAU1701
DIAGRAM FOR DIGITAL AMPLIFIER BASED ON SSM3582+ADAU1701