This circular 4-mic array is a professional solution for adding voice interaction to projects. Powered by XMOS XVF3000 with built-in AI sound processing algorithms, it clearly picks up voices from any direction up to 5 meters away. Features 360° far-field voice pickup (up to 5m), AEC, AGC, DoA, beamforming, and noise suppression. Product Upgrade: Check out the new [reSpeaker XVF3800] with improved far-field voice capture and advanced audio processing at a LOWER price! reSpeaker XVF3800 is a professional circular 4-microphone array based on XMOS XVF3800, enabling clear target voice capture in noisy environments. Features dual modes (I2S/USB), 360° far-field voice pickup (up to 5m), on-board AI acoustic algorithms (AEC, AGC, DoA, VAD, dereverberation, beamforming, and noise suppression). Far-field voice capture Support USB Audio Class 1.0 (UAC 1.0) Four microphones array 12 programmable RGB LED indicators Speech algorithms and features Voice Activity Detection Direction of Arrival Beamforming Noise Suppression De-reverberation Acoustic Echo Cancellation Specification Dimensions 70mm x70mm x13.3mm Weight G.W 70g Sensitivity -26 dBFS (Omnidirectional) Acoustic overload point 120 dBSPL SNR 61 dB Power Supply 5V DC from Micro USB or expansion header Power consumption 5V, 180mA with led on and 170mA with led off Max Sample Rate 16Khz Hardware Overview Hardware Overview Pin_Map Dimension Application Speech algorithms and features USB Voice Capture Smart Speaker Intelligent Voice Assistant Systems Voice Recorders Voice Conferencing System Meeting Communicating Equipment Voice Interacting Robot Car Voice Assistant Other Voice Interface Scenarios Documents reSpeaker Series Flyer reSpeaker XVF3000 4-Mic Array Schematic reSpeaker XVF3000 4-Mic Array Product Brief reSpeaker XVF3000 4-Mic Array 3D Model reSpeaker XVF3000 4-Mic Array 3D Model reSpeaker XVF3000 4-Mic Array 3D Model reSpeaker XVF3000 4-Mic Array Product Brief reSpeaker XVF3000 4-Mic Array Datasheet reSpeaker XVF3000 4-Mic Array with ROS (Robot Operating System) Middleware Certification HSCODE 8518900090 USHSCODE 8518902000 UPC 841454120278 EUHSCODE 8517180000 COO CHINA Part List reSpeaker Mic Array v3.0 x1