This is a genuine AC adapter compatible with YAMAHA analog mixers MG10/2 and other various products. Please check the manufacturer's website for detailed specifications and compatible models. I repurchased this item because I couldn't find my original one, but then I found it stored at my parents' house. This item is unopened/like new. Please note that this product is not subject to the following recall issued on January 15, 2024. Please confirm this as well. Date code of this product: 2326 (see photo 3) Recall target codes: 2126 - 2319 https://www.yamaha.co.jp/service/2024/24011501.html