{"product_id":"max98357a-i2s-mono-class-d-audio-amplifier-module-3w-digital-amplifier-2-5v-5-5v-input-9db-default-gain-l-r-2-mono-output-for-esp32-raspberry-pi-arduino","title":"MAX98357A I2S Mono Class-D Audio Amplifier Module | 3W Digital Amplifier | 2.5V–5.5V Input | 9dB Default Gain | (L+R)\/2 Mono Output for ESP32, Raspberry Pi \u0026 Arduino","description":"\u003cp data-start=\"216\" data-end=\"568\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"220\" data-end=\"273\"\u003eMAX98357A I2S Mono Class-D Audio Amplifier Module\u003c\/strong\u003e is a compact digital audio amplifier designed to convert \u003cstrong data-start=\"331\" data-end=\"360\"\u003eI2S digital audio signals\u003c\/strong\u003e directly into high-quality amplified mono audio. Powered by the \u003cstrong data-start=\"425\" data-end=\"465\"\u003eMAX98357A DAC + Class-D amplifier IC\u003c\/strong\u003e, this module eliminates the need for an external DAC, making it ideal for embedded audio applications.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"570\" data-end=\"858\"\u003eOperating from \u003cstrong data-start=\"585\" data-end=\"601\"\u003e2.5V to 5.5V\u003c\/strong\u003e, the module can deliver up to \u003cstrong data-start=\"632\" data-end=\"651\"\u003e3W output power\u003c\/strong\u003e when paired with a 4Ω speaker and powered at 5V. It features a \u003cstrong data-start=\"715\" data-end=\"738\"\u003edefault gain of 9dB\u003c\/strong\u003e and automatically combines stereo audio into \u003cstrong data-start=\"784\" data-end=\"807\"\u003e(L+R)\/2 mono output\u003c\/strong\u003e, providing clear and efficient sound reproduction.\u003c\/p\u003e\n\u003cp data-start=\"860\" data-end=\"1176\"\u003eThe MAX98357A is widely used with \u003cstrong data-start=\"894\" data-end=\"1016\"\u003eESP32, Raspberry Pi, ESP8266 (with external I2S support), STM32, Arduino-compatible boards, and other microcontrollers\u003c\/strong\u003e that support the I2S digital audio interface. Thanks to its high efficiency Class-D design, it produces minimal heat and requires very few external components.\u003c\/p\u003e\n\u003cp data-start=\"1178\" data-end=\"1366\"\u003eThis module is perfect for smart speakers, voice assistants, IoT devices, DIY audio projects, portable music systems, alarms, robotic voice output, and embedded digital sound applications.\u003c\/p\u003e\n\u003chr data-start=\"1368\" data-end=\"1371\"\u003e\n\u003ch1 data-section-id=\"1spgaq0\" data-start=\"1373\" data-end=\"1389\"\u003eSpecifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1391\" data-end=\"2185\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1391\" data-end=\"1414\"\u003e\n\u003ctr data-start=\"1391\" data-end=\"1414\"\u003e\n\u003cth data-start=\"1391\" data-end=\"1403\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1403\" data-end=\"1414\" data-col-size=\"md\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1439\" data-end=\"2185\"\u003e\n\u003ctr data-start=\"1439\" data-end=\"1499\"\u003e\n\u003ctd data-start=\"1439\" data-end=\"1454\" data-col-size=\"sm\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1454\" data-end=\"1499\"\u003eMAX98357A I2S Mono Audio Amplifier Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1500\" data-end=\"1528\"\u003e\n\u003ctd data-start=\"1500\" data-end=\"1515\" data-col-size=\"sm\"\u003eAmplifier IC\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1515\" data-end=\"1528\"\u003eMAX98357A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1529\" data-end=\"1568\"\u003e\n\u003ctd data-start=\"1529\" data-end=\"1547\" data-col-size=\"sm\"\u003eAudio Interface\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1547\" data-end=\"1568\"\u003eI2S Digital Audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1569\" data-end=\"1597\"\u003e\n\u003ctd data-start=\"1569\" data-end=\"1586\" data-col-size=\"sm\"\u003eAmplifier Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1586\" data-end=\"1597\"\u003eClass-D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1598\" data-end=\"1623\"\u003e\n\u003ctd data-start=\"1598\" data-end=\"1615\" data-col-size=\"sm\"\u003eOutput Channel\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1615\" data-end=\"1623\"\u003eMono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1624\" data-end=\"1669\"\u003e\n\u003ctd data-start=\"1624\" data-end=\"1644\" data-col-size=\"sm\"\u003eStereo Processing\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1644\" data-end=\"1669\"\u003e(L+R)\/2 Automatic Mix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1670\" data-end=\"1697\"\u003e\n\u003ctd data-start=\"1670\" data-end=\"1685\" data-col-size=\"sm\"\u003eOutput Power\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1685\" data-end=\"1697\"\u003eUp to 3W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1698\" data-end=\"1736\"\u003e\n\u003ctd data-start=\"1698\" data-end=\"1718\" data-col-size=\"sm\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1718\" data-end=\"1736\"\u003e2.5V – 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1737\" data-end=\"1759\"\u003e\n\u003ctd data-start=\"1737\" data-end=\"1752\" data-col-size=\"sm\"\u003eDefault Gain\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1752\" data-end=\"1759\"\u003e9dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1760\" data-end=\"1804\"\u003e\n\u003ctd data-start=\"1760\" data-end=\"1775\" data-col-size=\"sm\"\u003eGain Options\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1775\" data-end=\"1804\"\u003eConfigurable via GAIN Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1805\" data-end=\"1846\"\u003e\n\u003ctd data-start=\"1805\" data-end=\"1825\" data-col-size=\"sm\"\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1825\" data-end=\"1846\"\u003e4Ω–8Ω Recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1847\" data-end=\"1889\"\u003e\n\u003ctd data-start=\"1847\" data-end=\"1863\" data-col-size=\"sm\"\u003eDigital Input\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1863\" data-end=\"1889\"\u003eI2S (BCLK, LRCLK, DIN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1890\" data-end=\"1938\"\u003e\n\u003ctd data-start=\"1890\" data-end=\"1896\" data-col-size=\"sm\"\u003eDAC\u003c\/td\u003e\n\u003ctd data-start=\"1896\" data-end=\"1938\" data-col-size=\"md\"\u003eIntegrated Digital-to-Analog Converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1939\" data-end=\"1965\"\u003e\n\u003ctd data-start=\"1939\" data-end=\"1952\" data-col-size=\"sm\"\u003eEfficiency\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1952\" data-end=\"1965\"\u003eUp to 92%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1966\" data-end=\"1995\"\u003e\n\u003ctd data-start=\"1966\" data-end=\"1982\" data-col-size=\"sm\"\u003eShutdown Mode\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1982\" data-end=\"1995\"\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1996\" data-end=\"2057\"\u003e\n\u003ctd data-start=\"1996\" data-end=\"2009\" data-col-size=\"sm\"\u003eProtection\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2009\" data-end=\"2057\"\u003eThermal Protection, Short Circuit Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2058\" data-end=\"2096\"\u003e\n\u003ctd data-start=\"2058\" data-end=\"2069\" data-col-size=\"sm\"\u003ePCB Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2069\" data-end=\"2096\"\u003eCompact Breakout Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2097\" data-end=\"2142\"\u003e\n\u003ctd data-start=\"2097\" data-end=\"2108\" data-col-size=\"sm\"\u003eMounting\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2108\" data-end=\"2142\"\u003eThrough-Hole Header Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2143\" data-end=\"2185\"\u003e\n\u003ctd data-start=\"2143\" data-end=\"2167\" data-col-size=\"sm\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2167\" data-end=\"2185\"\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2187\" data-end=\"2190\"\u003e\n\u003ch1 data-section-id=\"1fah8gx\" data-start=\"2192\" data-end=\"2202\"\u003eFeatures\u003c\/h1\u003e\n\u003cul data-start=\"2204\" data-end=\"2726\"\u003e\n\u003cli data-section-id=\"1jt22w8\" data-start=\"2204\" data-end=\"2243\"\u003eMAX98357A digital I2S audio amplifier\u003c\/li\u003e\n\u003cli data-section-id=\"1oehlu7\" data-start=\"2244\" data-end=\"2280\"\u003eBuilt-in DAC and Class-D amplifier\u003c\/li\u003e\n\u003cli data-section-id=\"cjevmg\" data-start=\"2281\" data-end=\"2309\"\u003eUp to 3W mono audio output\u003c\/li\u003e\n\u003cli data-section-id=\"1f0xo5h\" data-start=\"2310\" data-end=\"2344\"\u003eWide input voltage: 2.5V to 5.5V\u003c\/li\u003e\n\u003cli data-section-id=\"ix7uv1\" data-start=\"2345\" data-end=\"2363\"\u003eDefault 9dB gain\u003c\/li\u003e\n\u003cli data-section-id=\"rg5mqv\" data-start=\"2364\" data-end=\"2411\"\u003eAutomatic stereo-to-mono ((L+R)\/2) conversion\u003c\/li\u003e\n\u003cli data-section-id=\"1mzoj2z\" data-start=\"2412\" data-end=\"2438\"\u003eNo external DAC required\u003c\/li\u003e\n\u003cli data-section-id=\"1alkhnt\" data-start=\"2439\" data-end=\"2471\"\u003eHigh efficiency Class-D output\u003c\/li\u003e\n\u003cli data-section-id=\"jhmxae\" data-start=\"2472\" data-end=\"2495\"\u003eLow power consumption\u003c\/li\u003e\n\u003cli data-section-id=\"e5gq77\" data-start=\"2496\" data-end=\"2534\"\u003eMinimal external components required\u003c\/li\u003e\n\u003cli data-section-id=\"5c7tfu\" data-start=\"2535\" data-end=\"2580\"\u003eExcellent audio quality with low distortion\u003c\/li\u003e\n\u003cli data-section-id=\"17kfrln\" data-start=\"2581\" data-end=\"2610\"\u003eSupports 4Ω and 8Ω speakers\u003c\/li\u003e\n\u003cli data-section-id=\"xrfvyf\" data-start=\"2611\" data-end=\"2649\"\u003eThermal and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1jtubhy\" data-start=\"2650\" data-end=\"2690\"\u003eCompact size for embedded applications\u003c\/li\u003e\n\u003cli data-section-id=\"hw531f\" data-start=\"2691\" data-end=\"2726\"\u003eIdeal for battery-powered devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2728\" data-end=\"2731\"\u003e\n\u003ch1 data-section-id=\"c3mln3\" data-start=\"2733\" data-end=\"2747\"\u003eApplications\u003c\/h1\u003e\n\u003cul data-start=\"2749\" data-end=\"3093\"\u003e\n\u003cli data-section-id=\"nvwjzz\" data-start=\"2749\" data-end=\"2771\"\u003eESP32 Audio Projects\u003c\/li\u003e\n\u003cli data-section-id=\"7wtara\" data-start=\"2772\" data-end=\"2799\"\u003eRaspberry Pi Audio Output\u003c\/li\u003e\n\u003cli data-section-id=\"164yzgi\" data-start=\"2800\" data-end=\"2823\"\u003eArduino Audio Systems\u003c\/li\u003e\n\u003cli data-section-id=\"p32rnw\" data-start=\"2824\" data-end=\"2850\"\u003eVoice Assistant Projects\u003c\/li\u003e\n\u003cli data-section-id=\"1sawp21\" data-start=\"2851\" data-end=\"2867\"\u003eSmart Speakers\u003c\/li\u003e\n\u003cli data-section-id=\"lpjh53\" data-start=\"2868\" data-end=\"2887\"\u003eIoT Audio Devices\u003c\/li\u003e\n\u003cli data-section-id=\"9asmer\" data-start=\"2888\" data-end=\"2909\"\u003eMP3 Player Projects\u003c\/li\u003e\n\u003cli data-section-id=\"iy10rn\" data-start=\"2910\" data-end=\"2938\"\u003eBluetooth Speaker Projects\u003c\/li\u003e\n\u003cli data-section-id=\"1stukh3\" data-start=\"2939\" data-end=\"2962\"\u003eDigital Sound Systems\u003c\/li\u003e\n\u003cli data-section-id=\"4nw9ql\" data-start=\"2963\" data-end=\"2978\"\u003eAlarm Systems\u003c\/li\u003e\n\u003cli data-section-id=\"pi9vvx\" data-start=\"2979\" data-end=\"2995\"\u003eTalking Robots\u003c\/li\u003e\n\u003cli data-section-id=\"1pz7h15\" data-start=\"2996\" data-end=\"3025\"\u003eEmbedded Audio Applications\u003c\/li\u003e\n\u003cli data-section-id=\"l5q5vc\" data-start=\"3026\" data-end=\"3043\"\u003eHome Automation\u003c\/li\u003e\n\u003cli data-section-id=\"9klujt\" data-start=\"3044\" data-end=\"3066\"\u003eInteractive Displays\u003c\/li\u003e\n\u003cli data-section-id=\"1lwlrpn\" data-start=\"3067\" data-end=\"3093\"\u003eDIY Electronics Projects\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MAJESTRONICZ","offers":[{"title":"Default Title","offer_id":47975680409758,"sku":null,"price":149.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9257\/2574\/files\/max98357-i2s-3w-class-d-audio-amplifier-module2-1100x1100.webp?v=1784013078","url":"https:\/\/majestronicz.in\/products\/max98357a-i2s-mono-class-d-audio-amplifier-module-3w-digital-amplifier-2-5v-5-5v-input-9db-default-gain-l-r-2-mono-output-for-esp32-raspberry-pi-arduino","provider":"MAJESTRONICZ","version":"1.0","type":"link"}