10pcs 4.5*2.2mm 6*2.2mm 6*5mm 9*7mm 9X4.5mm Electret Microphone Condenser Pickup Microphone 52DB With 2pin

This 10pcs Multi-size Electret Condenser Microphone Set contains common specifications including 4.5*2.2mm, 6*2.2mm, 6*5mm, 9*7mm and 9*4.5mm, covering diverse miniature sound pickup demands. Adopting high-quality electret condenser acoustic elements, these microphones feature stable sound induction performance and high sensitivity. With standard 2pin pin design and 52DB high signal-to-noise ratio, the components can clearly capture ambient sound and voice signals. Compatible with Arduino, STM32, audio amplifier circuits and embedded control boards, this assorted microphone pack is an essential basic accessory for sound collection and audio DIY projects. Each condenser microphone is built with professional vibration diaphragm and internal field effect transistor. The high-sensitivity vibration film accurately identifies tiny sound vibration, converting acoustic signals into stable analog electrical signals. Featuring 52DB low noise design, it effectively filters background current noise and reduces sound distortion, ensuring pure and original sound collection. Different sizes meet different installation space requirements; ultra-small models fit compact mini equipment, while large-size microphones provide stronger sound pickup capability and wider induction range. All microphones adopt simple 2pin wiring structure with positive and negative pins for easy soldering and circuit connection. No complicated peripheral circuits are required, greatly lowering assembly difficulty for electronic beginners. The metal shell structure achieves effective electromagnetic shielding to prevent external signal interference. With low power consumption and wide working voltage adaptation, these miniature microphones can work stably in various low-voltage circuit systems. The durable waterproof and dustproof casing extends service life and maintains consistent acoustic performance in daily usage environments. Supplied in 10-piece bulk packaging, this mixed microphone set fully meets experimental debugging, mass production and daily replacement needs. It is widely applied for voice recording modules, sound detection sensors, voice control induction devices, mini audio equipment, monitoring sound collection and student electronic experiment projects. Made of high-quality acoustic materials with stable frequency response and low impedance characteristics, these electret microphones deliver reliable and long-lasting performance. With diversified sizes, simple installation and cost-effective price, this condenser microphone assortment is an indispensable audio component for electronic enthusiasts, circuit maintenance personnel and embedded audio development.