Eachine1 Diy Pt2399 Microphone Amplifier Board Digital Kara Ok Reverberation Reverb Module

DIY PT2399 Microphone Amplifier Board Digital Kara OK Reverberation Reverb Module Feature: This product circuit design is reasonable, beautiful, low noise, reverberation continuously adjustable input voltage 12-24V. Support electret (computer condenser microphone) and two dynamic microphones Note: This product is not supply any instructions, please note about this before order it. Sorry for the inconvenience. Package included: 1 x DIY Microphone Amplifier Board