Thank you for looking at this YAMAHA ns1000m speaker. It was given to me by my uncle, but I am selling it because I don't have enough space to put it. The buyer said that there was no problem in checking the operation of the speakers. Please refer to the photos for scratches, stains, etc., as we are not familiar with them. Please refrain from buying if you are concerned about the quality. The lot numbers are the same for both units.