Adafruit I2S Amplifier BFF Add-On for QT Py and Xiao

Our QT Py boards enable compact microcontroller projects, now enhanced with the Adafruit I2S Amp BFF for high-quality audio. Perfectly designed, it attaches to the back of your QT Py or Xiao board, offering a 3 Watt amplifier with a MAX98357 chip for superior sound.Utilizing only three GPIO pins, there's no interference with I2C/UART or SPI ports. This PCB supports ESP32, nRF52840, and RP2040 chipsets, bypassing the ATSAMD21 variants. Assembly is simple with solder or pin headers, making it removable if needed.Benefits include:

* MAX98357 3 Watt amplifier * Compatible with 4 or 8 ohm speakers * Fits any QT Py or Xiao board * Compact design, easily attachable * 9 dB gain, pre-configured for 'stereo' mix output Recommended to pair with a 3W 4 ohm speaker for optimal performance. Suitable for Arduino, CircuitPython, or MicroPython libraries, the amplifier provides a significant enhancement in audio capabilities. Note: Speaker and QT Py not included.