This is a listing for the YAMAHA digital mixing engine "DME64N". It is equipped with one MY16-AE card compatible with AES/EBU. This is a standard model in professional settings, such as for installed sound, PA, and system applications. 【Condition】 ・There is some wear and tear from use. ・There are no noticeable large scratches, and the overall appearance is good. ・Startup has been confirmed / No error messages have been observed. ・Internal battery has been replaced. ※Operation has not been confirmed under detailed system environments. 【Important Notes】 ・Sold as is. ・Please purchase only if you understand the characteristics of professional equipment. ・Returns and refunds are not accepted. ・Please check the photos carefully for the condition of the exterior. "For those who understand and can properly use this legendary machine." This is the one. If you feel a connection, please consider it.