1. DIY is risky. Improper operation in the DIY process may easily cause component damage and failure. Therefore, DIY needs to have the corresponding professional knowledge and a certain degree of hands-on ability. The store does not popularize basic knowledge training and hardware knowledge explanation, thank you for your understanding
2: This product is an empty board, without any accessories, the price of a pair of empty boards,
Size 300mm*118mm,
Input voltage DC+/0/-70v,
The output power is 300W/8, the input voltage can also be appropriately reduced
3: This is a gold-sealed tube design, not those plastic-sealed 1943/5200
4: Regarding the description of materials and board colors, electronic components flow fast, each batch comes with different sizes, colors, and brands. There will be no notice when the quality is guaranteed, so the received goods are not necessarily pictures It is exactly the same. Please refer to the actual product received. The color of the board will also change from time to time. It may be other colors such as green or blue. If the above is not acceptable, please do not buy
5: Due to the particularity of electronics, wrong voltage, reverse wiring, etc., the components will be damaged. Therefore, those who have been electrified or unsoldered without permission will not be returned or exchanged. Only after-sales service is available. Home responsibility