Andrea PureAudio USB Array Microphone with Raspberry Pi3 OS and Audio Filters Software Bundle:

This kit provides a high quality far-field smart-speaker frontend for Makers and New Product Developers of vice driven applications.

Kit includes:

Stereo Array-PA microphone with tripod

USB-PA audio adapter

Raspberry Pi3

Sense Hat LED display 

8 Gigabyte SD memory Card

AC power supply

Plastic Case

3.5mm Aux. audio cable for a portable loudspeaker connection (speakers not included) 

Preloaded Software:

Raspberry Pi OS

Beam forming

Noise reduction

Echo cancellation

Microphone sensitivity adjustment for different noise/far-field applications