Datasheet

ReSpeaker 2-Mics Pi HAT is a dual-microphone expansion board for Raspberry Pi
designed for AI and voice applications. This means that you can build a more
powerful and flexible voice product that integrates Amazon Alexa Voice Service,
Google Assistant, and so on.
The board is developed based on WM8960, a low power stereo codec. There are 2
microphones on both sides of the board for collecting sounds and it also provides 3
APA102 RGB LEDs, 1 User Button and 2 on-board Grove interfaces for expanding
your applications. What is more, 3.5mm Audio Jack or JST 2.0 Speaker Out are both
available for audio output.
Note:

This product does not include the Pi Zero board

If you have any technical issue regarding software, please visit the github page and
submit your query.
Features

Raspberry Pi compatible(Support Raspberry Pi Zero, Raspberry Pi 1B+, Raspberry Pi
2B, Raspberry Pi 3B, Raspberry Pi 3B+ and Raspberry Pi 4 )

Dual-Microphones

2 Grove Interfaces: support GPIO and I2C

Programmable Button and LED: one button and three LEDs

Stereo Codec with Class D Speaker Driver

Two types audio output socket : 3.5mm Audio Jack(40mW output ), JST2.0 Speaker
Out(providing 1W into 8Ω loads)

Far field support (up to 3 meters)