Mic array brands

Products & Technology ReSpeaker
#1

Hello,
Specified in the specification of the 6 mic array is the mic model that is MSM321A3729H9CP, but nothing about the mic array.
Can anyone help me find the mic and model of mic brand, 4 mic array microphone?

Thanks in advance.

#2

The ReSpeaker 4-Mic Array for Raspberry Pi comes with SPU0414HR5H-SB3 MEMS MIC, You can find the schematic here at https://files.seeedstudio.com/wiki/ReSpeaker-4-Mic-Array-for-Raspberry-Pi/src/ReSpeaker%204-Mic%20Array%20for%20Raspberry%20Pi%20%20v1.0.pdf