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GY-MAX4466 Electret Microphone Amplifier Module Adjustable Gain OUT Amplifier Board 2.4-5V DC (GY-MAX4466 amplifier)
Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on.
4xAA Battery Holder with DC 5.5mm x 2.1mm Jack (4xAA holder jack)
Our 4xAA battery holder is perfect for hobbyists looking for a reliable power source for their DIY electronics projects. Made from durable materials, it's easy to install and use with simple connections.