selling pioneer CDJ-900's. Listing is per unit had 4 total. No Club use, private wedding DJ use only. Stored in road ready cases at all times. Also selling road ready road case. Contact if you want to purchase road case. This unit is missing plastic black piece in USB port, came off shortly after purchase but does not affect it's performance. After speaking with Pioneer rep this is common issue and most don't repair it unless it doesn't work. See picture 6