Mastering-grade AD/DA converter for high-quality audio processing. It is working properly. A dedicated high-quality power supply is included. [General] ・Used in a non-smoking and pet-free environment. ・Used for 1 year. ・Used in a rack, so there is no major damage, but please forgive minor scratches and dirt. [About Amari] ・Purchased new from Soundhouse. ・AMARI accessories: USB cable, AC adapter, box (complete). ・Deactivated (please check the PLEASE ACTIVATE status in the photo). [About High-Quality Power Supply] ・Please refer to this for the high-quality power supply (LCA-PS-101VA) (https://lacasaacustica.com/?pid=184690992) ・The power cable was not originally included, but I will include my own so you can use it immediately. Thank you for viewing.