Karaoke Board AC6V-15V/DC7-24 Digital Microphone Amplifier Board M65831 Audio Amplifier Microphone Board

Product Features:1. Manufactured using premium materials, ensuring quality assurance2. Microphone board incorporates the PT2399 chip, specifically designed for karaoke applications3. Surface-mount technology (SMT) construction ensures stable performance4. Single-power-supply design with rectifier circuitry, enabling operation from both AC and DC power sources5. Configurable via jumper caps to accommodate both electret condenser and dynamic microphonesProduct Specifications:Operating Voltage: AC 6V-15V or DC 7V-24VBoard Dimensions: 100mm × 50mmPotentiometer Spacing: 25mm (fixed potentiometer version)Microphone Jack Spacing: 28mmJP1 and JP2 Function Description:Microphone type configuration. Setting JP1 and JP2 enables either dynamic or electret condenser microphone operation. Includes matching shorting caps: inserting the cap activates electret condenser mode; leaving it out activates dynamic mode.Separate potentiometers offer unrestricted mounting spacing for enhanced flexibility.Package contents:Package A: Finished board ×1 + Signal shielded cable ×2 (Fixed potentiometer version)Package B: Finished board ×1 + Signal shielded cable ×2 (Separate potentiometer version)