Features: This microphone amplifier module features adjustable gains (2.6-10V) and high sensitivity, delivering clear music amplification for precise voice capturing in diverse setups while supporting multiple output interfaces. Designed with compactly PCB structure, it includes 3.5mm and 3pin sync ports for flexible connectivity to headphones, speakers, or customs music systems without space constraints. Ideal for electronics engineers, enthusiasts, and professional seeking reliability signals enhancement in projects like voice recorders, devices, or portable sound systems. Perfect for amplifying weak acoustics signals in conference rooms, live performances, educational labs, or security monitoring scenarios requiring stable sound transmission. Optimize your music chain with this versatile amplifier module, engineered to maintain signals integrity through its coupled design and precise tuned gains control circuitry. Specifications: Component: PCB Size:Approx.45.6x24.7mm/17.96x9.72inch Supply voltages: DC2.6V~10V Input: The board comes with capacitive microphone (sensitivity 58D) Output: 3.5mm and 3pin synchronize music output ports L and G (G is the music ground) Applicable scenario:Recording and music processing Option Type:1Set,2Set; Package Includes: Package A 1Set Microphone Amplifier Module Package B 2Set Microphone Amplifier Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.