Sound output has been confirmed. There is no noise or crackling that would interfere with playing. Please check the condition of the item in the photos, as it is a used item. Although I am not a professional, I believe the neck has no warping. There is plenty of fret life remaining. The truss rod has not been checked. Since the seller has not used the item themselves, the frequency of use is unknown. Please adjust the pitch, string height, etc. to your liking as the buyer. As the sound output has been confirmed, we guarantee returns up to the point of confirmation of receipt in the event of any defects, such as no sound. Please understand that there may be some scratches or minor, inconspicuous marks due to the item being used. The item will be carefully packed with bubble wrap and cardboard for shipping. At the recommendation of Yamato Transport, the strings may be slightly loosened for shipping. The set contents are all that are shown in the photos.