Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, 2.54mm Dupont Interface. It is Ideal for a Variety of Small Electronic Projects.

CQRobot Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, 2.54mm Dupont Interface. It is Ideal for a Variety of Small Electronic Projects.

DAOKAI 2 Pcs MAX98357 I2S Class D Audio Amplifier Module Breakout Interface DAC Decoder Board for Arduino with Dupont Cable

DollaTek INMP441 Omnidirectional Microphone I2S Interface Digital Output Sensor Module Supports ESP32