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. The neck is almost straight. There is plenty of fret life remaining. The truss rod has not been checked. Body: Maple Neck: Mahogany Fingerboard: Rosewood The seller has not used the item themselves, so the frequency of use is unknown. Fine adjustments such as pitch and string height should be made to the buyer's preference. When shipping, the item will be carefully packed with bubble wrap and cardboard. At the recommendation of Yamato Transport, the strings may be slightly loosened for shipping.