This is the Maxon PUE5, a programmable multi-effects unit. It features five effects: compressor, EXT.LOOP, graphic EQ, digital delay, and flanger/chorus. As shown in photo 2, power has been confirmed, but the adapter used for testing is not included. As shown in photo 5, one of the EQ knobs is missing, and there are scratches and dirt from use, but there are no operational issues. Please purchase only if you understand that this is a used item. Returns, refunds, and support are not available. Shipping is planned via Yamato Transport. Time designation is possible, so please indicate your preference in the comments. Due to a Mercari event, shipping costs are reduced, so it is currently on sale at a special price during the event period. Thank you.