ReSpeaker 4-Mic Array

This is the with-case version of the ReSpeaker XVF3800 USB 4-Mic Array—a professional, robustly enclosed 4-microphone circular array based on the XMOS XVF3800. It features AEC, AGC, DoA, beamforming, VAD, noise suppression, de-reverberation, 360° voice capture (up to 5 meters), and dual operation modes, making it ideal for advanced voice applications in various environments.

Upgraded to XMOS XVF3800 Chip

Smarter voice processing for clearer far-field capture—even in noisy environment.
4-Mic Circular Array

360° pickup (up to 5m). Cuts through noise and echoes effortlessly.
Advanced Audio Processing

Ensures clear capture in tough environments—featuring Acoustic Echo Cancellation(AEC), multi-beamforming, de-reverberation, direction of arrival(DoA) detection, dynamic noise suppression, 60dB Automatic Gain Control(AGC).
Plug-and-Play Simplicity

Works with High-Performance Dev Board with Wi-Fi and BLE – XIAO ESP32S3, Arduino, Raspberry Pi, NVIDIA Jetson, PC, and more via USB/I2S. No complex setup needed.
Protective black enclosure

Ensuring device durability and optimized acoustic performance

Hardware Overview

Application

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.

Parameter	Specification
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	35×86 mm
Audio Output	Speaker Connector / 3.5mm Headphone jack
Maximum Sampling Rate	16Khz
Speaker	Supports 5W amplifier speakers

XMOS XVF3800 v3.2.1

The ReSpeaker XVF3800 USB 4-Mic Array is a professional 4-mic circular array with XMOS XVF3800, featuring AEC, AGC, DoA, beamforming, VAD, noise suppression, de-reverberation, 360° voice capture (up to 5m), and dual operation modes for advanced voice applications.