Sound output confirmed Main unit only Please check the photos for the product condition. The topmost knob in photo 3 has looseness and abnormal rotation. Due to long-term storage, there are scratches and dust. As this is an old product, it will be treated as junk. No returns or refunds will be accepted. It will be wrapped in bubble wrap and then in kraft paper so that the contents are not visible before shipping. We can change the shipping to wrapped cardboard for an additional ¥1000. Please let us know in the comments before purchasing. Thank you for looking.