The Circuit of the ReSpeaker 4-Mic Array (v1.2)

Products & Technology ReSpeaker
1

Hi,

I have a question about the circuit of the ReSpeaker 4-Mic Array (v1.2).

The schematic for ReSpeaker 4-Mic Array (v1.0) is published at the link below, but the microphone elements on the v1.2 I own are different. The v1.0 uses SPU0414HR5H-SB, whereas my board’s mics are MSM321A3729H9BP.
ReSpeaker 4-Mic Array for Raspberry Pi v1.0.sch

What I’d like to know is the actual circuit for v1.2. Aside from the mic element itself, is the v1.2 circuit identical to the v1.0 schematic? Or have the surrounding components been revised to match the new element?

If anyone has this information, please let me know.

P.S. It seems the MSM321A3729H9BP is now EOL, and MSM381AKT003 is being used instead.

BR,

2

I hope seeedstudio will post an updated diagram of V 1.2 so that users do not get confused.

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3

Hello, thank you for your feedback. This is the information you need.
v1.2SCH.zip (126.6 KB)

4

Thank you for your response.

Is there a schematic diagram available for the Respeaker 4-mic array(SKU
103030216) equipped with the MSM321A3729H9BP microphone?

5

This is some information about this product within the bazaar. All the documentation related to this product is gathered here. You can download the materials you need.

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