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seeed studio reSpeaker Flex XVF3800 Linear-4 USB Mic Array - Front-Facing Voice Capture: Four PDM MEMS microphones in a linear array with 33 mm spacing deliver an approximately 180° forward pickup pattern with rear sound suppression. Well suited for kiosks, smart displays, robots, and interactive terminals.
- XMOS XVF3800 Voice Processing: Onboard AEC, AGC, DoA, multi-channel beamforming, VAD, noise suppression, and dereverberation help capture clearer far-field speech in noisy, echo-prone environments.
- USB UAC 2.0 Host Integration: In USB firmware mode, connect through USB-C or the locking PH2.0 interface for UAC 2.0 audio with compatible Windows, macOS, Linux, and SBC hosts. Supported systems use native USB Audio Class drivers, so no dedicated audio driver is required. USB-C provides board power, and USB firmware supports DFU.
- Split-Board Design: Position the microphone array at the front or edge of an enclosure while placing the core board elsewhere. The included 20 cm, 24-pin FPC ribbon cable connects the two boards for flexible installation.
- Open Host Integration: The XIAO ESP32S3 footprint is unpopulated, allowing developers to solder a XIAO module or connect an external MCU. I2S requires matching firmware and operates separately from USB. Exposed XVF3800 I/O, a 3.5 mm AUX output, and an amplified speaker connector support custom integration. XIAO ESP32S3, enclosure, and speaker are not offer FREE shipping on all orders!
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