{"id":2868,"date":"2026-01-23T12:27:57","date_gmt":"2026-01-23T06:57:57","guid":{"rendered":"https:\/\/vihaaniotgateway.in\/?post_type=product&p=2868"},"modified":"2026-02-08T12:31:24","modified_gmt":"2026-02-08T07:01:24","slug":"inmp441-mems-omnidirectional-microphone-module","status":"publish","type":"product","link":"https:\/\/vihaaniotgateway.in\/index.php\/product\/inmp441-mems-omnidirectional-microphone-module\/","title":{"rendered":"INMP441 MEMS High Precision Omni-Directional Microphone Module (I2S) for ESP32, Arduino & IoT"},"content":{"rendered":"

The INMP441 MEMS High Precision Omni-Directional Microphone Module<\/strong> is a digital microphone solution designed for high-quality audio capture<\/strong> in embedded and IoT systems. It features a MEMS capacitive microphone<\/strong> with a built-in 24-bit ADC<\/strong> and communicates via the I2S digital audio interface<\/strong>, ensuring excellent noise immunity and audio clarity.<\/p>\n

With its omni-directional pickup pattern<\/strong>, the INMP441 captures sound uniformly from all directions, making it ideal for voice recognition, audio recording, smart assistants, and sound detection projects<\/strong>. The module works seamlessly with ESP32<\/strong>, and can also be interfaced with Arduino and other microcontrollers that support I2S.<\/p>\n

This microphone module is widely used in AI, IoT, smart home, robotics, and edge-audio applications<\/strong> where accurate and reliable digital audio input is required.<\/p>\n

\n

\ud83d\udd39 Key Features<\/h2>\n
    \n
  • \n

    High-precision MEMS digital microphone<\/strong><\/p>\n<\/li>\n

  • \n

    Omni-directional sound pickup<\/strong><\/p>\n<\/li>\n

  • \n

    I2S digital audio interface<\/strong><\/p>\n<\/li>\n

  • \n

    Built-in 24-bit ADC<\/strong><\/p>\n<\/li>\n

  • \n

    Low noise and high signal-to-noise ratio<\/p>\n<\/li>\n

  • \n

    Excellent immunity to electrical noise<\/p>\n<\/li>\n

  • \n

    Compatible with ESP32, Arduino (I2S), STM32<\/strong><\/p>\n<\/li>\n

  • \n

    Ideal for voice recognition & audio processing<\/strong><\/p>\n<\/li>\n<\/ul>\n

    \n

    \ud83d\udd39 Technical Specifications<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
    Microphone Type<\/td>\nMEMS<\/td>\n<\/tr>\n
    Model<\/td>\nINMP441<\/td>\n<\/tr>\n
    Directionality<\/td>\nOmni-Directional<\/td>\n<\/tr>\n
    Interface<\/td>\nI2S (Digital)<\/td>\n<\/tr>\n
    ADC Resolution<\/td>\n24-bit<\/td>\n<\/tr>\n
    Supply Voltage<\/td>\n3.3V<\/td>\n<\/tr>\n
    Output<\/td>\nDigital Audio<\/td>\n<\/tr>\n
    Signal-to-Noise Ratio<\/td>\n~61 dB<\/td>\n<\/tr>\n
    Frequency Response<\/td>\n60 Hz \u2013 15 kHz<\/td>\n<\/tr>\n
    Operating Temperature<\/td>\n-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    \ud83d\udd39 Applications<\/h2>\n
      \n
    • \n

      Voice recognition systems<\/p>\n<\/li>\n

    • \n

      ESP32 audio projects<\/p>\n<\/li>\n

    • \n

      Smart assistants & AI devices<\/p>\n<\/li>\n

    • \n

      Sound detection & monitoring<\/p>\n<\/li>\n

    • \n

      IoT and smart home automation<\/p>\n<\/li>\n

    • \n

      Robotics and edge-AI audio<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

      High-precision INMP441 MEMS omni-directional microphone module with I2S digital output, ideal for ESP32-based audio, voice recognition, and IoT sound-sensing applications.<\/p>\n","protected":false},"featured_media":2874,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[73],"product_tag":[],"class_list":{"0":"post-2868","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-sensors-and-modules","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product\/2868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/comments?post=2868"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/media\/2874"}],"wp:attachment":[{"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/media?parent=2868"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product_brand?post=2868"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product_cat?post=2868"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/vihaaniotgateway.in\/index.php\/wp-json\/wp\/v2\/product_tag?post=2868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}