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
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
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