MAX98357A I2S Digital Audio Amplifier Module 3W Class-D | Arduino, ESP32 & Raspberry Pi

The MAX98357A I2S Digital Audio Amplifier Module is a compact 3W Class-D mono amplifier with a built-in I2S digital-to-analog converter (DAC). It receives digital audio directly through the I2S interface, eliminating the need for an external DAC while delivering clear, high-quality audio output.MAX98357A I2S Amplifier ModuleThe module is ideal for ESP32, Raspberry Pi, STM32, Arduino (with I2S support), and other microcontrollers, making it perfect for smart speakers, voice assistants, IoT devices, audio playback systems, and DIY electronics projects. FeaturesBuilt-in MAX98357A I2S DAC Class-D AmplifierUp to 3W mono speaker outputDirect I2S digital audio inputNo external DAC requiredHigh-efficiency Class-D amplifierSupports multiple I2S audio formatsCompact and lightweight designExcellent audio quality with low distortionEasy integration with ESP32 and Raspberry PiSpecificationsIC: MAX98357AAmplifier Type: Class-D MonoAudio Input: I2S Digital AudioOutput Power: Up to 3W (4Ω Speaker)Supply Voltage: 2.5V – 5.5V DCRecommended Voltage: 5VOutput: Mono SpeakerEfficiency: Up to 92%Supports Left, Right, or Mixed Audio OutputLow Power Shutdown ModePin ConfigurationPinDescriptionVINPower Supply (2.5V–5.5V)GNDGroundDINI2S Data InputBCLKBit ClockLRCLeft/Right Clock (Word Select)SDShutdown ControlGAINGain SelectionSPK Speaker PositiveSPK−Speaker NegativeApplicationsESP32 Audio ProjectsRaspberry Pi Audio OutputSmart SpeakersVoice Assistant DevicesMP3 Player ProjectsIoT Audio SystemsHome AutomationDIY ElectronicsEmbedded Audio SystemsPortable Audio DevicesPackage Includes1 × MAX98357A I2S Digital Audio Amplifier Module Categories: Accessories, Amplifiers, Arduino & Components, Arduino Accessories, Arduino Amplifiers Tags: Class D Amplifier, I2S Amplifier, MAX98357