{"product_id":"respeaker-flex-xvf3800-circular-4-with-xiao-esp32s3-ai-powered-microphone-array-for-robotics-and-embedded-applications-ss100026178","title":"reSpeaker Flex XVF3800 Circular-4 with XIAO ESP32S3 – AI-powered Microphone Array for Robotics and Embedded Applications","description":"\u003ch2\u003eDescription: \u003c\/h2\u003e\n\u003cp data-start=\"0\" data-end=\"453\"\u003eThe reSpeaker Flex XVF3800 Circular-4 with XIAO ESP32S3 – AI-powered Microphone Array for Robotics and Embedded Applications is a compact, high-performance 4-microphone circular array designed for 360° far-field voice capture and edge AI processing. Combining the XMOS XVF3800 audio processor with the XIAO ESP32S3, it enables intelligent, low-latency voice interaction with built-in wireless connectivity for advanced embedded and IoT applications.\u003c\/p\u003e\n\u003cp data-start=\"455\" data-end=\"918\"\u003eEquipped with powerful AI acoustic algorithms such as acoustic echo cancellation (AEC), noise suppression (NS), beamforming, automatic gain control (AGC), and Direction of Arrival (DoA), it delivers clear and reliable voice recognition even in noisy and dynamic environments. The circular 4-microphone array supports omnidirectional voice pickup with up to 5 meters of range, allowing accurate sound source localization and natural interaction from any direction.\u003c\/p\u003e\n\u003cp data-start=\"920\" data-end=\"1330\"\u003eIts modular split design allows the microphone array and core board to be positioned independently, reducing interference from internal components like motors and fans—making it ideal for robotics and compact embedded systems. With native I2S support and a pre-soldered XIAO ESP32S3, it is optimized for seamless integration into ESP32-based development environments, enabling rapid prototyping and deployment.\u003c\/p\u003e\n\u003cp data-start=\"1332\" data-end=\"1556\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIdeal for voice assistants, humanoid robots, smart home systems, interactive kiosks, and edge AI voice applications, the reSpeaker Flex delivers scalable, real-time voice processing with enhanced flexibility and performance.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFeature 1: \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eInnovative Modular Split\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eDesign \u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eSeparates the core processing board from the microphone array \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eboard\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003evia a flexible FPC cable, enabling easy integration in space-constrained robotics and embedded applications. For use cases such as desktop or humanoid robots, the microphone array \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eboard \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ecan be positioned near the sound source, while the core board can be placed elsewhere inside the device. This design helps minimize interference from internal motor and servo noise, resulting in improved voice capture performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFeature 2: \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFlexible Array \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eConfigurations\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eAvailable in two standard configurations: 4-mic circular array for 360° spatial pickup, and 4-mic linear array for 180° directional pickup. \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eI\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003en robotics applications, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ethe\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e circular array can be mounted on the robot’s head for omnidirectional voice capture. For smart\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e digital\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e signage, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ethe\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e linear array is well-suited for front-facing placement, optimizing voice pickup for typical user interactions directly in front of the display.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFeature 3: \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eXMOS XVF3800 \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003efor\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003e Advanced AI Audio Processing\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eon-board AI acoustic algorithms for better sound quality. Features AEC, multi-beamforming, de-reverberation, DoA, dynamic noise suppression, AGC, delivering stable and reliable voice capture performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003e AEC (Acoustic Echo Cancellation)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eAEC removes acoustic echo caused when sound played from \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ethe system\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e is picked up again by the microphone array. AEC is critical in full-duplex communication systems such as conferencing devices, voice assistants, and interactive systems. \u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"2\"\u003e\n\u003cli\u003e\u003cstrong\u003eNS (Noise Suppression)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eNoise Suppression reduces unwanted background noise from captured audio. By identifying and attenuating non-speech components—such as fan noise, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003emotor and servo noise\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eambient chatter, keyboard typing, or environmental hum—NS enhances the SNR (signal-to-noise ratio) in real time. NS is essential in voice\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e interactive\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e systems including smart home \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eand industrial \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003evoice control, voice assistants, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eeducational devices, smart interactive\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e terminals, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eand robots. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFeature 4: Powerful \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFar-Field Voice Capture\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eWith far-field voice capture up to 5 meters and\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e the\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e circular 4-microphone array\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e (\u003c\/span\u003e\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-p-6737.html\"\u003e\u003cspan data-font-family=\"default\"\u003e100005504\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-with-XIAO-ESP32S3-p-6739.html\"\u003e\u003cspan data-font-family=\"default\"\u003e100070894\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-font-family=\"default\"\u003e)\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e supporting precise Direction of Arrival (DoA) detection, the reSpeaker \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFle\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ex\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e delivers reliable voice capture and accurate sound source localization for interactive and voice-driven applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003e Far-field Voice Capture Up to 5m\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eThis enables clear command recognition in larger spaces without requiring users to stand close to the device, making the reSpeaker Flex ideal for voice\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e interactive\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e setups like smart \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003edigital \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003esignage.\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"2\"\u003e\n\u003cli\u003e\u003cstrong\u003e Circular 4-Microphone Array Supports 360° DoA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eThe circular 4-microphone array enables accurate 360° Direction of Arrival (DoA) detection, allowing the reSpeaker \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFlex\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e to identify where a voice is coming from. This spatial awareness enhances interaction \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eperformance\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, supports speaker tracking, provides a strong foundation for advanced beamforming\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, an\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ed \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eallowing users to \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003einteract\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003ewith\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e the robot from anywhere around it\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFeature 5: \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eCompact Design for Embedded Applications\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003e Bottom-Firing Microphones\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eThe acoustic ports are positioned on the back side of the microphone array board, reducing interference from front-facing components. This design also allows the microphones to be placed closer to the sound source or device surface, maximizing voice pickup performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"2\"\u003e\n\u003cli\u003e\u003cstrong\u003eCompact Size, Powerful Performance\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eWith just 44 mm mic spacing and a diameter of 73 mm for the circular array, and 33 mm spacing with a length of 110 mm for the linear array, the design fits easily into space-constrained embedded applications. Despite its compact size, it delivers outstanding voice capture performance\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eachieved through the combination of optimized hardware design and acoustic tuning.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFeature 6: \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eDeveloper-Friendly Integration\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eThe reSpeaker \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFlex\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e with no XIAO versions (\u003c\/span\u003e\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-p-6737.html\"\u003e\u003cspan data-font-family=\"default\"\u003e100005504\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-p-6737.html\"\u003e\u003cspan data-font-family=\"default\"\u003e100099135\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-font-family=\"default\"\u003e) come with factory-installed\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e USB firmware.\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003eThe reSpeaker \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFlex\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e with XIAO ESP32S3 versions (\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e100070894\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e100026178\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e) come with factory-installed I2S firmware.\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cspan data-font-family=\"default\"\u003ePlug-and-Play via USB: A standard USB interface enables quick connection to devices such as Raspberry Pi, NVIDIA Jetson, and PCs running Windows, Linux, or macOS\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eno drivers or complex setup required. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-font-family=\"default\"\u003eI2S for MCU Integration: Direct I2S support allows seamless integration with MCU platforms like the XIAO Series and Arduino, making it easy to bui\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eld embedd\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eed voice-enabled applications with minimal hardware overhead. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-font-family=\"default\"\u003eXIAO ESP32S3 Pre-Soldered Options: Two variants (\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-p-6737.html\"\u003e100070894\u003c\/a\u003e\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e,\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003e\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-p-6737.html\"\u003e100026178\u003c\/a\u003e) come with a pre-soldered XIAO ESP32S3, enabling native support for ecosystems such as ESPHome and Home Assistant. This allows developers to easily extend applications into smart home scenarios and beyond. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFeature \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003e7\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003e: Fast, Scalable, and Customizable for Production\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eSeeed \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eStudio \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eoffers customization services include hardware modifications\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003esuch as adjusting the size or shape of the microphone array board\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003eto better fit space-constrained robotics and embedded voice interaction scenarios. Algorithm tuning is also available to further optimize audio performance. \u003c\/span\u003e\u003ca href=\"https:\/\/www.seeedstudio.com\/blog\/reachy-mini-respeaker-voice-ai-robotics\/\"\u003e\u003cspan data-font-family=\"default\"\u003eFor reference, similar approaches have been applied in open-source projects like the Reachy Mini desktop robot\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-font-family=\"default\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eCore Board\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 99.3744%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eFeature\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eDescription\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eCore Chip\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eXMOS XVF3800\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eAmplifier\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eTexas Instruments TPA3139D2\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eSupports \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e10\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eW Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eAudio Algorithms\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eAEC, AGC, DoA, Beamforming, VAD, Noise Suppression, De-reverberation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eUSB Interfaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x USB Type-C\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFor external connection and debugging\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x USB JST Connector\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFor internal routing and motherboard integratio\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003en;\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eOther\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e Interfaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eXIAO Compatible Pads\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x XMOS XVF3800 XTAG Debu\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eg Pads;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x XMOS XVF3800 io Pads;\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eAudio Outputs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x 3.5mm Audio Jack\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x 2-Pin Speaker Connector\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e;\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003ePower Supply\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e5V Input: Via USB Type-C or 5V JST \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eC\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eonnector\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e12V Input:\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e Via\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003e2-Pin Terminal\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e 12V \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eC\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eonnector\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e;\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eMic \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eArray Interface\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e24-Pin \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFPC Connector\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eButton\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x Reset Button;\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x Boot Button;\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eMaximum Sampling Rate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e16kHz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e \u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eMic Array Board\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 98.853%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eFeature\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eDescription\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eMicrophone\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e4x High-performance \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ePDM MEMS microphones\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eArray Topology\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e3\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e3\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e mm spacing arranged \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eL\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ei\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003en\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ee\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ea\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003er\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003eMic Array\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003ePickup Pattern\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e8\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e0\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e°\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003edirectional audio capture\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003ePickup Range\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eUp \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eto 5 \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003emeters\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eInterface\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e1x \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e24-Pin \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFPC connector\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.8543%;\" colspan=\"1\" rowspan=\"1\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eMounting\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 74.1046%;\" colspan=\"1\" rowspan=\"1\" width=\"446\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e2\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e × M3 mounting holes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eRobotics Integration with reSpeaker Flex \u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eIts compact\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003emicrophone array can be placed on a robot’s head, ears, forehead, chest, or even externally (e.g., on a robotic arm) to capture sound closer to the source, while the core processing board remains safely inside the device enclosure. Combined with Seeed’s strong customization capabilities, it enables seamless integration into a wide range of robotic platforms, including humanoid robots, desktop robots, companion robots, service robots, and robot pets such as robot dogs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eWith support for ROS2, it streamlines system-level communication and development.\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003ePowered by the XMOS XVF3800 audio processor, reSpeaker Flex features on-board AI acoustic algorithms such as multi-beamforming and advanced noise suppression, enabling reliable \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ewake word detection, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003espeech-to-text (STT), speech-to-intent, voice command recognition, and other voice AI workflows.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eAn upgraded design supports a 10W amplifier, enabling strong text-to-speech (TTS) performance and delivering clear, natural voice interaction even in larger spaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eBuild Smart Toys with\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003e reSpeaker Fle\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003ex for\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003e Intuitive Voice Interaction\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eIts compact and flexible microphone array can be seamlessly embedded into various toy form factors such as plush toys, educational devices, or handheld companions, allowing it to capture user’s voices accurately even in dynamic and noisy environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eLeveraging the XMOS XVF3800 audio processor, reSpeaker Flex\u003c\/span\u003e \u003cspan data-font-family=\"default\"\u003eensur\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ees\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e reliable wake word detection, speech recognition, and intent understanding. This enables more responsive and engaging interactions, from voice-controlled storytelling and learning activities to conversational AI companions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eWith support for locally running voice agents, reSpeaker Flex enables on-device processing of voice data, helping safeguard user privacy\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e, \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eespecially important for companion toys and child-focused applications. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eBuild Smart Voice Terminals with Seamless and Reliable Interaction\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003ereSpeaker Flex brings reliable and intuitive interaction to self-service kiosks, smart vending machines, and smart digital signage. Its linear microphone array options (\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-p-6737.html\"\u003e100099135\u003c\/a\u003e, \u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-p-6737.html\"\u003e100026178\u003c\/a\u003e) are optimized for seamless integration into narrow screen bezels(e.g., screen edges, display frame) and compact enclosures, without compromising acoustic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eIt \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003edelivers advanced noise suppression and directional far-field voice capture (up to 5m), ensuring accurate \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003espeech\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e recognition even in acoustically challenging public and larger environments such as malls, transit hubs, and retail spaces. This enables faster, touch-free user interactions and improves overall accessibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eBuild Physical AI Voice Agent with reSpeaker \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFlex\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eThrough SDK and platform compatibility, reSpeaker \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eFlex\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e supports rapid integration with voice AI frameworks and cloud-based services, allowing devices to be quickly transformed into scalable voice agent solutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eBuild Smart Voice Assistants Using reSpeaker \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFlex\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eSeamlessly integrates with Amazon Alexa, Google Assistant, Home Assistant, and other mainstream voice platforms for far-field voice control and smart home automation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eSmart Conference Solutions Using reSpeaker \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eFlex\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eCompatible with Microsoft Teams, Zoom, and other popular conferencing software via USB. 4-mic array supports beamforming and DoA detection to deliver clear multi-person audio pickup and real-time status feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003eI\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan data-font-family=\"default\"\u003endustrial Voice Control\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003eDesigned for demanding environments, reSpeaker Flex enables reliable voice command control across factories, retail, and commercial settings. With advanced noise suppression, it maintains high recognition accuracy even amid machinery noise and complex acoustic conditions, supporting efficient, hands-free operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; height: 176px;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 44px;\"\u003e\n\u003ctd style=\"width: 49.675%; height: 44px;\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003er\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eeSpeaker\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e Flex Core Board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.6733%; height: 44px;\"\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 44px;\"\u003e\n\u003ctd style=\"width: 49.675%; height: 44px;\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003er\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eeSpeaker\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e Flex \u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003eL\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003einear\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003e Mic Arr\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ea\u003c\/span\u003e\u003cspan data-font-family=\"default\"\u003ey Board\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.6733%; height: 44px;\"\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 44px;\"\u003e\n\u003ctd style=\"width: 49.675%; height: 44px;\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003e20cm FPC Cable\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.6733%; height: 44px;\"\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 44px;\"\u003e\n\u003ctd style=\"width: 49.675%; height: 44px;\"\u003e\n\u003cp\u003e\u003cspan data-font-family=\"default\"\u003ePin Connectors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 49.6733%; height: 44px;\"\u003ex 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"certification\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eHSCODE\u003c\/td\u003e\n\u003ctd\u003e8518100000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eUSHSCODE\u003c\/td\u003e\n\u003ctd\u003e8518108040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eEUHSCODE\u003c\/td\u003e\n\u003ctd\u003e8531202090\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"name\"\u003eCOO\u003c\/td\u003e\n\u003ctd\u003eCHINA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"tips\" style=\"display: table; table-layout: fixed; background-color: #d9f5f3; height: auto; width: 100%;\"\u003e\n\u003cdiv class=\"left-icon\" style=\"display: table-cell; vertical-align: middle; background-color: #83dfd3; padding-top: 10px; box-sizing: border-box; height: auto; width: 38px; text-align: center;\"\u003e\u003cimg style=\"width: 26px; vertical-align: middle;\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/static.seeed.cc\/seeed\/icon\/Tip.svg\" alt=\"attention icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"right-desc\" style=\"display: table-cell; vertical-align: middle; padding-left: 15px; box-sizing: border-box; width: calc(95% - 38px);\"\u003e\n\u003cp style=\"font-weight: bold; margin-top: 10px;\"\u003eNote:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe reSpeaker Flex with no XIAO versions (\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-p-6737.html\"\u003e100005504\u003c\/a\u003e, \u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Linear-4-p-6738.html\"\u003e100099135\u003c\/a\u003e) come with factory-installed \u003cstrong\u003eUSB audio firmware.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe reSpeaker Flex with XIAO ESP32S3 versions  (\u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Circular-4-with-XIAO-ESP32S3-p-6739.html\"\u003e100070894\u003c\/a\u003e, \u003ca href=\"https:\/\/www.seeedstudio.com\/reSpeaker-Flex-XVF3800-Linear-4-with-XIAO-ESP32S3-p-6736.html\"\u003e100026178\u003c\/a\u003e) come with factory-installed \u003cstrong\u003eI2S firmware\u003c\/strong\u003e for MCU integration.\u003c\/li\u003e\n\u003cli\u003eAll 4 versions support \u003cstrong\u003eDFU mode\u003c\/strong\u003e for users to switch the firmware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Seeed Studio","offers":[{"title":"Default Title","offer_id":42358694346834,"sku":"SS100026178","price":131.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0383\/files\/2-100026178_respeaker_flex_xvf3800_linear-4_with_xiao_esp32s3.jpg?v=1775139600","url":"https:\/\/www.pakronics.co.nz\/products\/respeaker-flex-xvf3800-circular-4-with-xiao-esp32s3-ai-powered-microphone-array-for-robotics-and-embedded-applications-ss100026178","provider":"Pakronics®","version":"1.0","type":"link"}