The HAT-SPK2 is a speaker for the M5StickC PLUS, that has a built-in MAX98357 digital audio I2S amplifier IC and 1W speaker, supporting 16-bit, a 32kHz to 192kHz sample rate audio input, built-in short circuit protection and over-temperature protection, suitable for a variety of audio applications. Features * Hight Quality Audio Output: Supports 16-Bit, 32KHZ to 192KHZ sample rate audio * Multiple output modes: including mono and stereo, as well as audio input formats such as I2S, left-justified, and right-justified * Stability and reliability: Built-in short-circuit protection and over-temperature protection * Programming platforms: Arduino, UIflow Specifications Resources Parameters Power output Maximum 20W Signal-to-noise ratio 103dB Distortion rate 0.001 Supply voltage 4.5v-5.5v Operating temperature range 0-40°C Enter the audio format I2S, left-aligned, right-aligned Sample rate 32kHz to 192kHz Control interface I2C, SPI, GPIO Product Size 24mm × 18.6mm ×13.7mm Package Size 136mm × 92mm ×13mm Product Weight 4.6g Package Weight 8.1g Resources * MAX98357 Package Contents * 1x HAT-SPK2 https://elecena.pl/product/23050072/m5stickcplus-speaker-2-hat-max98357 2023-03-29 https://elecena.pl/product/23050072/m5stickcplus-speaker-2-hat-max98357 2023-12-27 https://elecena.pl/product/23050072/m5stickcplus-speaker-2-hat-max98357 2024-09-18 https://elecena.pl/product/23050072/m5stickcplus-speaker-2-hat-max98357 2024-11-29 https://elecena.pl/product/23050072/m5stickcplus-speaker-2-hat-max98357 2024-11-30 https://elecena.pl/product/23050072/m5stickcplus-speaker-2-hat-max98357 2025-08-06 https://elecena.pl/product/23050072/m5stickcplus-speaker-2-hat-max98357 2025-11-28 https://elecena.pl/product/23050072/m5stickcplus-speaker-2-hat-max98357 2025-11-29