Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Model Number: Digital Mono Amplifier Module _x005f_x000D_ _x005f_x000D_ Product Size: 41.00x14.00x14.00mm/1.61x0.55x0.55inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Product Description: _x005f_x000D_ 1. On board LM386 chip _x005f_x000D_ 2. 20 times gain circuit design _x005f_x000D_ 3. On-board speaker terminal block _x005f_x000D_ 4. On-board 10K adjustable resistor, you can adjust the volume of amplification _x005f_x000D_ 5. On-board power indicator _x005f_x000D_ 6. The chip's main pins have been cited, you can directly input audio signals _x005f_x000D_ 7. Operating voltage: 5~12V _x005f_x000D_ 8. GND is negative level, OUN is positive level. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1*Digital Mono Amplifier Module 1.Onboard LM386 Chip: This digital mono amplifier module equipped with the LM386 chip, which is renowned for its amplification capabilities.Ensures high-quality sound amplification and reliable performance. 2.Powerful Functionality: With a 20x gain circuit design, this mono amplifier board provides significant amplification for audio signals.Allows users to enjoy louder and clearer audio output. 3.Compact Size: The small and compact size of 41.00x14.00x14.00mm (1.61x0.55x0.55inch) makes this power amplifier board module easy to install in various setups.Perfect for DIY projects or integrating into existing audio systems. 4.Convenient Use: The main pins of the LM386 chip are already exposed on the board.The single channel amplifier board enables direct input of audio signals, making it user-friendly and hassle-free. 5.20x Gain Circuit Design: The mono voice amplifier module features a 20x gain circuit design, enhancing the volume and intensity of the audio signal.Provides a significant boost to the audio output, resulting in a more immersive listening experience.