Item description: 1PCS LM386 Super MINI Amplifier Board 3V-12V Power Amplifier Features: This module is designed based on the chip LM386, with strong expansion capability. Clear sound output, low noise, give you better listening enjoyment. The audio amplifier is small in size, the power range of driving speakers is 0.5-10W, with small distortion. With 3-12V low power consumption, it is more cost-effective than most similar products. This module can be used for audio amplification, headphone amplifier, signal amplification, electret pickup, etc. Specification: 100% brand new Type: LM386 Size: 37mm X 41mm; Operating voltage: DC 3V~ 12V; Driver Speaker: 0.5W-10W Speaker 1 Note: 1.Please allow a little size error due to manual measurement. 2. DC005 and next 2P pin for power supply interface, choose one with two to see which facilitate personal hand power interface which, voltage 3-12V to pick, positive with; 3. 3.5MM Audio seat and pin board next to the audio input port, according to the individual to choose a convenient 2 pick can be. 4. 2P connector pin for speaker, speaker for Promise element, so just pick the horn will not burn. 5. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package Included: 1 X Amplifier Board .