Thank you for viewing. I am selling the "FMR Audio RNC1773 (Really Nice Compressor)". [Operation Check] * This item was received from someone else, and I do not have expertise in this area. It is reported that it does not function correctly. * This item is being sold as junk. * No returns accepted. [Included/Remarks] * No power adapter. It requires 9v500ma, which should be easy to obtain.