1/4 and XLR Inputs and Outputs. If you receive an item and having some issues with it / any issues / contact with us using ebays messaging system only, and let us know. Leaving a bad feedback will NOT speed up any process. Work with us and we WILL work with you to resolve any problems that you are having with your item.// ZERO / "0" Feedback Members... Armens Music / Repair Shop. 347 W 36TH Street 1ST Floor. You may return the product/used or new/ within 14 days if you are not satisfied. If there is some problems we have an authorized repair shop, we are able to fix the problem and resend the item back to you /with in 14 days /.