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The ReSpeaker Core v2.0 allows developers to create powerful and impactful voice and sound interfaces. This feature-rich board is suitable for use as a base for creating smart assistant-capable speakers and systems and was designed with developer flexibility in mind. Powered by the high-performance Axol Core module, the core runs Debian OS and features a Rockchip RK3229 Quad-Core Cortex-A7 with a Mali 400MP GPU.

  • Onboard 6-mic array supports noise suppression, keyword wakeup, direction of arrival, beam-forming & acoustic echo cancellation
  • Open software ecosystem supports numerous solutions from NLP services to smart assistants & more
  • Audio & video output supported enabling developers to create rich visual interfaces to pair w/ voice interface
  • Fully ready for customization
  • Potential applications include smart speakers, intelligent voice assistant systems, voice recorders, voice conferencing systems, meeting communication equipment, voice interacting robots, car voice assistants & more


  • Dimensions: 100mm x 96mm x 18mm
  • Weight: 180 g
  • ARM Quad-Core Corex-A7 up to 1.5GHz / ARM Mail-400MP2 GPU
  • 1 GB RAM DDR3
  • Microphone: 8 Channel ADC for 6 Microphone Array and 2 Loopbacks
  • Headset connector: 3.5mm Audio Headset Connector
  • Speaker connector: JST 2.0 Output Connector for 8 Ohm Speakers
  • Video output: HDMI 2.0 (driver not yet available)
  • WiFi: 802.11 b/g/n
  • Bluetooth 4.0
  • Flash: 4GB eMMC on-board
  • SD card slot
  • 3 USB hosts/OTG
  • 1 USB power
  • 1 Grove socket, support I2C and digital port
  • 6 GPIO
  • 1 Debug UART
  • 12 programmable LEDs


  • Debian-Based Linux System
  • SDK for Speech Algorithms with Full Documents
  • C++ SDK and Python Wrapper
  • Speech Algorithms and Features
  • Keyword Spotting (Wake-Up)
  • BF (Beamforming)
  • DoA (Direction of Arrival)
  • NS (Noise Suppression)
  • AEC (Acoustic Echo Cancellation) and AGC (Automatic Gain Control)
  • All-in-One Solution with High-Performance SoC
  • 8 Channel ADC for 6 Microphone Array and 2 Loopbacks (Hardware Loopback)


  • ReSpeaker Core v2.0
  • USB cable


  • Ships to US
  • Expected Delivery: May 3 - May 6


  • All sales final.