YAGMI4015U-2C56DB with Electret Condenser Microphone Solder Pads RoHS is a type of microphone manufactured by INGHAiYA. This device is a small, self-contained microphone with integrated preamplifier and microcontroller designed for use in recording, microphone-based voice recognition and audio applications. It features a wide dynamic range, low levels of distortion, and high sensitivity. The microphone is also RoHS compliant, meaning it is free of hazardous materials like lead, cadmium, and certain flame retardants. The integrated circuit has gold contacts for solder pads, allowing it to be easily connected to a board. This mic is an ideal choice for low-cost applications that require PC connectivity.