● Power-on and basic operation were confirmed. Sound is produced, and each switch and volume control appear to function, but crackling noise is present. Due to lack of product knowledge, this item is considered junk. ● Please refrain from purchasing if you are concerned about the details. ● Please purchase only if you understand that this is a junk item. ● Recycled packing materials may be used. ● The item will be shipped from Itabashi-ku, Tokyo. ● Please feel free to comment if you have any questions. ● Please purchase directly without commenting.