Features: Enhances your karaoke experience with the PT2399 Karaoke reverberation Microphone Amplifier Board, featuring high fidelities sound quality and reverberation effects for superior vocal performances and immersive sound enhancement. This sound amplifier module boasts easy plug and play installation, circuit board construction, wide compatibility with various microphones and sound systems, and portable design for convenient use. for music enthusiasts and amateur singers, this microphone amplifier board provides professional sound support without requiring advanced technical knowledge. Perfect for diverse settings like home karaoke parties, small live performances, studio recordings, or mobile such as camping and street shows. Enjoy seamless connectivity and stable operations in any environment, making it essential component for upgrading your sound setup effortlessly. Specifications: Materials: circuit board Product model:XHM173 Chip model: PT2399 Power supply: double 12V Size:100x57mm Package Includes: 1PC PT2399 Microphone Amplifier Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.