"ReSpeaker XVF3800 USB Mic Array 4-Microphone Circular Array with AI Audio ProcessingThe ReSpeaker XVF3800 USB Mic Array offers 360° voice recording via four microphones and AI-powered audio processing directly in the device.
It supports AEC, beamforming, noise reduction and sound source detection to enable clear recordings even in noisy environments.
Simple USB connection allows plug-and-play operation without driver installation.
4-microphone circular array omnidirectional pickup up to 5 meters range.
AI audio processing With AEC, multi-beam beamforming, de-reverberation and dynamic noise reduction.
Direction of sound source (DoA) Detection of the direction from which speech is coming.
Dual operating mode USB mode for PC connection and I2S mode for integration into microcontroller systems.
Visual feedback RGB LEDs indicate status and voice activity.
Easy integration Compatibility with Raspberry Pi, Jetson, Windows, Linux and macOS.
Technical data:Audio chip: XMOS XVF3800Microphones: 4 digital microphones, sensitivity -26 dBFSAcoustic overload point (AOP): 120 dBLSNR: 64 dBAPower supply: 5 V via USBInterface: USB 2.0 (USB Audio Class 2.0)Operating modes: USB and INT device (I2S)RGB LEDs: for status and activity displayAudio output: 3.5 mm headphone socket, speaker connection (up to 5 W)BTX/Reset: hardware button for controlSampling rate: up to 16 kHzDimensions: approx.
108 × 108 × 18 mmAreas of application:Voice assistants and smart home devicesConference and collaboration systemsAudio signal processing and prototypingVoice control in robotics and IoTIndustrial voice control in noisy environmentsThe ReSpeaker XVF3800 USB Mic Array offers a compact design combined with intelligent audio processing and is suitable for a wide range of voice applications in embedded systems and desktop environments.
External linkshttps://www.xmos.com/documentation/XM-014888-PC/html/index.htmlhttps://wiki.seeedstudio.com/respeaker_xvf3800_introduction/https://www.seeedstudio.com/blog/2025/09/25/how-respeaker-enables-clear-voice-pickup-even-in-noise-a-technical-explainer/"