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



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