{"product_id":"i2s-esp32-speaker-kit-built-in-audio-amplifier-plug-play-for-esp32-raspberry-pi-compatible-with-max98357a-max98357","title":"I2S ESP32 Speaker Kit, Built-in Audio Amplifier, Plug \u0026 Play for ESP32 Raspberry Pi, Compatible with MAX98357A MAX98357","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNullLab\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e6-16V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLogic ICs\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cbr\u003e\u003cp\u003e\u003cspan style=\"font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eDocs: \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"background-color:rgba(252,220,0,255);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003egithub.com\/nulllaborg\/i2s_audio_amplifier_module\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\u003cp\u003eHigh-Performance Digital Audio Input: Features an I2S Serial Digital Audio Input Interface supporting a wide sample rate range from 8 kHz to 96 kHz, with automatic sample rate detection.\u003c\/p\u003e\u003c\/li\u003e\n \u003cli\u003e\u003cp\u003eEfficient, Filterless Class D Architecture: Utilizes a Filterless Class D amplifier with high efficiency (80% at 2.5W) and low distortion (0.2% THD at 1W) for power-sensitive portable devices.\u003c\/p\u003e\u003c\/li\u003e\n \u003cli\u003e\u003cp\u003eAdvanced Audio Control \u0026amp; Processing: Includes a Distortion Prevention (NCN) function and a built-in Digital High-Pass Filter (HPF) whose cutoff frequency can be set with a simple single-wire pulse.\u003c\/p\u003e\u003c\/li\u003e\n \u003cli\u003e\u003cp\u003eRobust Protection and Noise Suppression: Offers comprehensive protection mechanisms (Overcurrent, Over-Temperature, and Undervoltage Protection) alongside excellent Power-Up\/Power-Down Noise Suppression (anti-pop\/click).\u003c\/p\u003e\u003c\/li\u003e\n \u003cli\u003e\u003cp\u003eRobust Protection and Noise Suppression: Offers comprehensive protection mechanisms (Overcurrent, Over-Temperature, and Undervoltage Protection) alongside excellent Power-Up\/Power-Down Noise Suppression (anti-pop\/click).\u003c\/p\u003e\u003c\/li\u003e\n \u003cli\u003e\u003cp\u003eOptimized for Portability and Thermal Management: Built around the NS4168 chip in an eSOP8 packaging (Enhanced SOP with Exposed Pad) design, making it ideal for compact applications requiring superior thermal performance.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style='background-color:rgb(244, 78, 59);font-size:26px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e Brief introduction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe I2S audio amplifier module uses the NS4168 as the main control chip. It is a high-efficiency, low-noise and highly integrated Class D audio power amplifier module, which is especially suitable for portable audio devices with high requirements for power consumption and anti-interference. Its I2S digital input, anti-distortion function and rich protection mechanisms endow it with broad application prospects in consumer electronics products.\u003c\/p\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003eProduct Name: I2S Audio Amplifier Module\u003c\/p\u003e\n\u003cp\u003eOperating Voltage: 3.0V~5.5V\u003c\/p\u003e\n\u003cp\u003ePort: PH2.0\u003c\/p\u003e\n\u003cp\u003eOutput Power: 2.5W (VDD = 5V, RL = 4Ω)\u003c\/p\u003e\n\u003cp\u003eSize: 392210mm\u003c\/p\u003e\n\u003cp\u003ePackaging Process: eSOP8 Package\u003c\/p\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cimg style=\"margin-left:auto;margin-right:auto;display:block;max-width:100%;width:790px\" width=\"790px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sc518bb5d736746ec86152ddf69613c04R.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin-left:auto;margin-right:auto;display:block;max-width:100%;width:790px\" width=\"790px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S723b3bbc91044028ac50b698fe302a9fa.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style='background-color:rgb(224, 62, 45);font-size:24px;font-family:\"times new roman\", times, serif'\u003e  Experimental scenario  \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);box-sizing:content-box' align=\"start\"\u003e\n \u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/m.media-amazon.com\/images\/I\/71TJT9KVbPL._SL1500_.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n \u003cimg width=\"750\" height=\"auto\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc6aad334e37e4ab49aeb41a0136b76461.png\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);box-sizing:content-box' align=\"start\"\u003e\n \u003cbr\u003e\n\u003c\/div\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style='background-color:rgb(224, 62, 45);font-size:24px;font-family:\"times new roman\", times, serif'\u003e  Exhibition display  \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);box-sizing:content-box' align=\"start\"\u003e\n \u003cbr\u003e\n\u003c\/div\u003e\n\u003cp 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