clear sound with our CD2399 dynamic microphone amplifier board featuring a high clear amplification circuit and integrated electret condenser reverberation module for professional sound reproduction. This PCB construction incorporates premium circuitry materials ensuring durability and stability, while its simplified design enables effortless assembly without tool. Ideal for sound enthusiasts, hobbyists, and beginners seeking reliability components for projects or professional sound engineering applications. Perfectly suited for environments including music studios, live , home karaoke setups, and online streaming requiring rich vocal effects. Package includes: 1pc Microphone Amplifier Board