{"product_id":"respeaker-xvf3800-usb-4-mic-array","title":"ReSpeaker XVF3800 USB 4-Mic Array – XMOS AI Far-Field Microphone with Echo Cancellation, Beamforming and 360° Direction of Arrival","description":"\u003cp\u003e\u003cstrong\u003eThe ReSpeaker XVF3800 USB 4-Mic Array is a far-field microphone board built on the XMOS XVF3800 voice processor that captures a clean, echo-free voice signal from up to 5 metres away in noisy rooms, used to build voice assistants, Home Assistant satellites, conferencing devices, robots and speech-recognition products on Raspberry Pi, NVIDIA Jetson, PCs or ESP32 microcontrollers.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA professional-grade circular 4-microphone array that captures a clear voice from up to 5 metres away, even next to a playing speaker or a noisy fan. The XMOS XVF3800 processor runs echo cancellation, automatic gain, noise suppression, de-reverberation, beamforming and 360° direction-of-arrival on board, so a Raspberry Pi, Jetson or PC receives clean audio over USB with no drivers. Switch to I2S firmware to drive it from an ESP32 or XIAO for embedded voice products.\u003c\/p\u003e\u003ch2\u003eWhat can you use it for?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHome Assistant, Rhasspy, Wyoming and OpenAI or local LLM voice assistants on a Raspberry Pi\u003c\/li\u003e\n\u003cli\u003eRobot and kiosk voice interfaces that must hear commands while the robot's own speaker is playing\u003c\/li\u003e\n\u003cli\u003eConference and telepresence devices needing acoustic echo cancellation\u003c\/li\u003e\n\u003cli\u003eSpeech-to-text, wake-word and speaker-localisation research using 360° direction of arrival\u003c\/li\u003e\n\u003cli\u003eEmbedded voice products on ESP32-S3 or XIAO using the I2S firmware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho is it for?\u003c\/h2\u003e\u003cp\u003eDevelopers and product teams who need studio-grade voice capture without writing DSP code, and hobbyists building a voice assistant that actually works across a room.\u003c\/p\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUSB hosts: Raspberry Pi 4\/5, NVIDIA Jetson, Windows, Linux and macOS computers; appears as a standard USB audio device, no drivers\u003c\/li\u003e\n\u003cli\u003eMicrocontrollers: XIAO ESP32-S3, ESP32 and Arduino via I2S after switching firmware with DFU mode\u003c\/li\u003e\n\u003cli\u003eAudio out: 3.5 mm headphone jack and a speaker connector that drives 5 W speakers such as the Mono Enclosed Speaker\u003c\/li\u003e\n\u003cli\u003eSoftware: Home Assistant, Rhasspy, Wyoming Satellite, PyAudio, ALSA, PortAudio, ROS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eVoice processor\u003c\/th\u003e\n\u003ctd\u003eXMOS XVF3800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMicrophones\u003c\/th\u003e\n\u003ctd\u003e4 × high-performance digital MEMS microphones, circular array\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e−26 dBFS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAcoustic overload point\u003c\/th\u003e\n\u003ctd\u003e120 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSNR\u003c\/th\u003e\n\u003ctd\u003e64 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOn-board audio algorithms\u003c\/th\u003e\n\u003ctd\u003eAcoustic echo cancellation (AEC), 60 dB automatic gain control (AGC), noise suppression, de-reverberation, multi-beam beamforming, 360° direction of arrival (DoA), voice activity detection (VAD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePickup range\u003c\/th\u003e\n\u003ctd\u003eFar-field up to 5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterfaces\u003c\/th\u003e\n\u003ctd\u003eUSB (plug-and-play UAC audio, factory firmware) or I2S for MCUs; DFU mode to switch firmware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAudio output\u003c\/th\u003e\n\u003ctd\u003e3.5 mm headphone jack and speaker connector supporting 5 W amplifier speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSampling rate\u003c\/th\u003e\n\u003ctd\u003eUp to 16 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003eUSB 5 V or external 5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e108 × 108 × 18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVersion\u003c\/th\u003e\n\u003ctd\u003eUSB firmware, without XIAO ESP32-S3, without case (SKU 101991441)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eDefault Title:\u003c\/strong\u003e 1 × ReSpeaker XVF3800 4-Mic Array board (USB firmware, no XIAO, no case)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eDoes it work with Raspberry Pi and Home Assistant?\u003c\/h3\u003e\u003cp\u003eYes. Plug it into a USB port and it appears as a standard audio capture device, so it works with Home Assistant voice satellites, Rhasspy, Wyoming and any ALSA or PyAudio application without drivers.\u003c\/p\u003e\u003ch3\u003eWhat is the pickup range?\u003c\/h3\u003e\u003cp\u003eFar-field capture up to about 5 metres. The on-board beamforming and noise suppression keep commands intelligible at that distance in normal room noise.\u003c\/p\u003e\u003ch3\u003eCan it cancel the sound from my own speaker?\u003c\/h3\u003e\u003cp\u003eYes. Acoustic echo cancellation is processed on the XVF3800 chip, so the array can listen while a speaker attached to its own output is playing music or TTS replies.\u003c\/p\u003e\u003ch3\u003eWhich way should the board face?\u003c\/h3\u003e\u003cp\u003eThe microphone ports are on the side printed with the Seeed Studio logo. Point that side toward the talker and keep it unobstructed.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between the USB and I2S versions?\u003c\/h3\u003e\u003cp\u003eThis version ships with USB audio firmware for computers and single-board computers. Versions bundled with a XIAO ESP32-S3 ship with I2S firmware for microcontrollers. All versions can switch firmware in DFU mode.\u003c\/p\u003e\u003ch3\u003eDoes it include a case or a XIAO ESP32-S3?\u003c\/h3\u003e\u003cp\u003eNo. This is the bare board (SKU 101991441). Cases and XIAO-bundled variants are separate products.\u003c\/p\u003e","brand":"Glunova Biotech","offers":[{"title":"Default Title","offer_id":50742489874671,"sku":"SEEED-101991441","price":155.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/5406\/2063\/files\/01_ae9a2511-5f2f-4d86-a6ab-510640c4222f.jpg?v=1789208194","url":"https:\/\/armdojo.com\/products\/respeaker-xvf3800-usb-4-mic-array","provider":"ArmDojo","version":"1.0","type":"link"}