{"product_id":"respeaker-2-mic-pi-hat-dual-microphone-array-raspberry-pi","title":"ReSpeaker 2-Mic Pi HAT – Dual Microphone Array for Raspberry Pi","description":"\n\u003ch2\u003eReSpeaker 2-Mic Pi HAT – Dual Microphone Array for Raspberry Pi\u003c\/h2\u003e\n\u003cp\u003eBring voice recognition and AI audio capabilities to your Raspberry Pi projects with the \u003cstrong\u003eReSpeaker 2-Mic Pi HAT\u003c\/strong\u003e. This compact dual-microphone expansion board plugs directly onto your Raspberry Pi's GPIO header, enabling far-field voice capture, smart speaker builds, home automation, and voice-controlled applications — all in a sleek 65×30 mm green PCB form factor.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're a hobbyist, developer, or educator, this board makes it easy to add professional-grade voice input to your single-board computer projects without complex wiring or soldering.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Raspberry Pi Compatibility:\u003c\/strong\u003e Works seamlessly with Raspberry Pi Zero, 1 B+, 2B, 3B\/3B+, and 4 Model B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Microphone Array:\u003c\/strong\u003e Two onboard MEMS microphones for improved voice pickup and directionality\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFar-Field Voice Capture:\u003c\/strong\u003e Detects voice commands from up to \u003cstrong\u003e3 meters\u003c\/strong\u003e away\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard Audio Codec:\u003c\/strong\u003e High-quality audio processing built right in — no external sound card needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2× Grove Interfaces:\u003c\/strong\u003e One GPIO and one I2C port for easy sensor and accessory expansion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProgrammable Button \u0026amp; LEDs:\u003c\/strong\u003e 1 user-programmable button and 3 RGB LEDs for visual feedback and custom interactions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play HAT Design:\u003c\/strong\u003e Connects via standard 40-pin GPIO header — no soldering required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e 65×30 mm green PCB; made from durable plastic components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRaspberry Pi Zero, 1B+, 2B, 3B\/3B+, 4 Model B\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrophones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2× MEMS Microphone Array\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFar-Field Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 3 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrove Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2× (1× GPIO, 1× I2C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLEDs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3× Programmable RGB LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eButton\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× User-Programmable Button\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65 × 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× ReSpeaker 2-Mic Pi HAT Expansion Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Raspberry Pi board and other accessories are not included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY smart speakers and voice assistants\u003c\/li\u003e\n  \u003cli\u003eHome automation and IoT voice control\u003c\/li\u003e\n  \u003cli\u003eAI voice recognition projects\u003c\/li\u003e\n  \u003cli\u003eRaspberry Pi audio and maker projects\u003c\/li\u003e\n  \u003cli\u003eEducational STEM and electronics prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on electronics safety standards for consumer electronics and maker hardware, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Raspberry_Pi_Holdings\" target=\"_blank\" rel=\"noopener\"\u003eRaspberry Pi Holdings\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the ReSpeaker 2-Mic Pi HAT compatible with Raspberry Pi 4 Model B?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ReSpeaker 2-Mic Pi HAT is fully compatible with the Raspberry Pi 4 Model B, as well as the Raspberry Pi Zero, 1 B+, 2B, and 3B\/3B+. It connects via the standard 40-pin GPIO header.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How far away can the dual microphone array detect voice commands?\u003c\/h4\u003e\n\u003cp\u003eA: The dual MEMS microphone array supports far-field voice capture of up to \u003cstrong\u003e3 meters\u003c\/strong\u003e, making it suitable for smart speaker and voice assistant projects where the user may not be directly next to the device.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need to solder anything to use this board?\u003c\/h4\u003e\n\u003cp\u003eA: No soldering is required. The ReSpeaker 2-Mic Pi HAT is a plug-and-play expansion board that connects directly to your Raspberry Pi's 40-pin GPIO header. Drivers and software setup can be done through the Raspberry Pi OS terminal.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the Grove interfaces used for?\u003c\/h4\u003e\n\u003cp\u003eA: The two Grove interfaces (one GPIO, one I2C) allow you to easily connect additional sensors, displays, or other Grove-compatible accessories to expand the functionality of your Raspberry Pi voice project without complex wiring.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: The package includes one (1) ReSpeaker 2-Mic Pi HAT expansion board. The Raspberry Pi board and any other accessories are not included and must be purchased separately.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the ReSpeaker 2-Mic Pi HAT compatible with Raspberry Pi 4 Model B?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The ReSpeaker 2-Mic Pi HAT is fully compatible with the Raspberry Pi 4 Model B, as well as the Raspberry Pi Zero, 1 B+, 2B, and 3B\/3B+. 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