Sound output has been confirmed. There is no noise or crackling that would interfere with playing. Please check the photos for the condition of the item, as it is a used product. The neck is almost straight. There is plenty of fret life remaining. The truss rod has not been checked. The seller has not used the item themselves, so the frequency of use is unknown. Please adjust the pitch, string height, etc., to your liking after purchase. The item will be carefully packed with bubble wrap and cardboard for shipping.