Sipeed MAIX R6+1 Microphone Array - Expanded Kit for AI Applications

Sipeed MAIX R6+1 Microphone Array

The Sipeed 6+1 microphone kit/array is an expanded board with 6 microphones for Maix AI development boards designed for AI and voice applications. It includes 6+1 digital microphones, 12 tri-color LEDs, supports sound localization, beamforming, speech recognition, and more.

Specifications of 6 MEMS Microphones:

• Sound Pressure Level: 140 dB SPL
• Sensitivity: -26 (dB, dBFS @1kHz 1Pa)
• Signal to Noise Ratio: 57 dB (20 kHz bandwidth, A-weighted)
• THD<1% (100 dB SPL @1kHz S=Nom, Rload>2k) Clock Frequency:
• 1.0-4.0 MHz (normal mode)
• 150-800 kHz (low power mode)

Specifications of 12 pcs SK9822 LEDs:

• Viewing angle: 120 degrees Synchronous of two-lane
• Choose positive output or negative output RGB tri-color LED out, 8 Bit (256 levels) color set, 5 Bit (32 levels) brightness adjustment
• Current 20 mA per color, 60 mA total at full brightness