ReSpeaker XMOS XVF3800 – AI-Powered 4-Mic Array

This 4-mic circular array powered by the XMOS XVF3800 delivers professional-grade voice capture in noisy environments. It supports 360° far-field pickup (up to 5 m), with AEC, AGC, DoA, VAD, beam forming, reverberation, and noise suppression, ensuring clear, precise voice recognition for advanced audio applications.

A professional 4-mic circular array based on XMOS XVF3800, enabling clear target voice capture in noisy environments. Features dual modes, 360° far-field voice pickup (up to 5m), AEC, AGC, DoA, VAD, reverberation, beam forming, and noise suppression.

Features

* XMOS XVF3800 Upgrade

* Smarter voice processing for clearer voice capture—even in noisy environment.

* Advanced Audio Processing

* Clear capture in tough environments—featuring Acoustic Echo Cancellation(AEC), multibeam forming, reverberation, direction of arrival(DoA) detection, dynamic noise suppression, 60dB Automatic Gain Control(AGC).

* 4-Microphone Circular Array

* 360° far-field voice pickup, up to 5 meters, cuts through noise and echoes effortlessly.

* Plug-and-Play Simplicity

* The Standard USB interface enables easy connection with any USB-enabled device - from SBCs like Raspberry Pi and NVIDIA Jetson to PCs running Windows, Linux, or macOS. No drivers or complex setup required.

* I2S Interface for MCU Integration

* Direct I2S support allows seamless integration with MCU platforms like XIAO Series and Arduino, enabling embedded voice applications with minimal hardware overhead.

* Compact Design for Embedded Applications

* Bottom-firing microphones and a flat PCB for easy embedding into space-constrained devices without obstruction.

* Smart Voice Assistants:

* Seamlessly integrates with Amazon Alexa, Google Assistant, Home Assistant, and other mainstream voice platforms for far-field voice control and smart home automation.

* Conference Systems:

* Compatible with Microsoft Teams, Zoom, and other popular conferencing software via USB Audio Class 2.0, delivering clear multi-person audio pickup and real-time status feedback.

* Audio Processing Development:

* Ideal for developers working on audio signal processing, speech recognition, and acoustic algorithm prototyping with open-source platform support.

* Robotics Voice Interaction & Control:

* Enables 360° voice localization, voice command recognition, and noise suppression for interactive robots, smart toys, and voice-controlled machines.

* Industrial Voice Control:

* Supports robust voice command applications in factory, retail, and commercial environments, offering reliable performance in noisy and complex scenarios.

Specifications

Core Chip XMOS XVF3800

Digital Microphones High-performance digital microphones * 4

Sensitivity -26 dBFS

Acoustic Overload Point 120 dBL

SNR 64 dBA

Power Supply USB 5V, external 5V

Dimensions 108mm x 108mm x 18mm

Audio Output Speaker Connector / 3.5mm Headphone jack

Maximum Sampling Rate 16Khz

Speaker Supports 5W amplifier speakers.

Supplier Code 101991441

Resources

* Documentation

* ReSpeaker XVF 3800 - Flyer

* Hardware Overview 1

* Hardware Overview 2

Package Contents

* 1x ReSpeaker XVF3800 – USB 4-Mic Array