ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi

Tip
This product is fully compatible with Raspberry Pi 4 (1GB, 2GB,4GB) and hopes you enjoy hacking with Pi 4 and all of other Pi 4 accessories.

Seeed¡¯s ReSpeaker 4-MicsLinear Array Kit for Raspberry Pi is an extension board, aka HAT designed for Raspberry Pi. Its a linear microphone array kit, comes with four microphones and designed for AI and voice applications. That means you can build a more powerful and flexible voice product with Raspberry Pi which can integrate Amazon Alexa Voice
Service, Google Assistant, and so on.

ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi consists of two boards, one is voice accessory HAT, another is four microphones linear array.

ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi support 8 input & 8 output channels in Raspbian system. The first 6 input channel for microphone recording(only first 4 input channels are valid capture data), rest of 2 input channel are echo channel of playback. The first 2 output channel for playing, rest of 6 output channel are dummy.

Features

2 ADC chips and 1 DAC chip
8 input and 8 output channels
Four microphones array
Grove support
Compatible with Raspberry Pi 40-pin headers
Headset and speaker voice output
Compatible : Raspberry Pi 4

Application Ideas
Smart speaker
Intelligent voice assistant systems
Voice recorders
Voice conferencing system
Meeting communicating equipment
Voice interacting robot
Car voice assistant
Other scenarios need voice command

Assembly drawing
Unboxing Vedio


Technical details
Dimensions 0mm x0mm x0mm
Weight G.W 132g
Battery Exclude
AD/DA Chips 2 x X-Power AC108 ADC; 1 x X-Power AC101 DAC
Voice Output 3.5mm headset audio jack / Speaker jack (JST 2.0)
Microphones SPU0414HR5HSB
Sensitivity -22 dBFS (Omnidirectional)
SNR 59 dB
Raspberry Pi 40-Pin Headers support Raspberry Pi Zero, Raspberry Pi 1 B+, Pi 2 B, Pi 3 B, Pi 3 B+

Part List
1 x ReSpeaker Voice Accessory HAT 1
1 x ReSpeaker 4-Mic Linear Array for Voice Accessory HAT 1
1 x 20cm Ribbon Cable 1