Maix R6+1 Microphone Array, 6+1 Digital Microphones and 12 RGB LEDs

SKU: 17109
Part Number: Maix R6+1 Microphone Array
Brand: Sipeed




R6+1 Microphone Array, 6+1 Digital Microphones and 12 RGB LEDs, Compatible with Maix AIoT series


The Maix R6+1 Microphone Array module features 6+1 digital microphones and 12 RGB LEDs onboard, compatible with Maix AIoT series development boards. It is an ideal choice for voice-related applications such as sound source orientation, beamforming, and speech recognition.


  • 6+1 MEMS microphones (MSM261S4030H0):
    • Sound pressure level: 140 dB SPL
    • Sensitivity: -26(dB, dBFS @ 1kHz 1Pa)
    • Signal to noise ratio: 57 dB (20kHz bandwidth, A-weighted)
    • THD <1% (100dB SPL @ 1kHz S = Nom, Rload> 2k)
    • Clock frequency:
      • 1.0-4.0Mhz (normal mode)
      • 150-800khz (low power mode)
  • 12 RGB LEDs (SK9822):
    • Viewing angle: 120 degree
    • Dual-line synchronous
    • RGB three-color LED output control, 8-bit (256 level) color levels, 5-bit (32 level) brightness adjustment
    • Current: 20mA per color for each LED, 60mA at full color and full brightness
  • Operating voltage: 3.3V
  • Operating current: >750mA (full brightness)
  • Temperature rise: <30K
  • Operating temperature: -30℃ ~ 85℃
  • Dimensions: 78mm × 89mm


  • Sound source orientation
  • Beamforming
  • Speech recognition


Maix R6+1 Microphone Array application example

Note: for reference only, Maix Go in the photo is NOT included.


Maix R6+1 Microphone Array dimensions

Development Resources


Weight: 0.048 kg

Quick Overview

  1. Maix R6+1 Microphone Array x1