You are purchasing an item from the Ewaste Recycling Center. Please read our Product Disclaimer:FOR USED TESTED WORKING ITEMS WE OFFER A 100% MONEY BACK GUARANTEE. We do not always have the expertise to test everything. PLEASE CONTACT US IF THERE IS ANY PROBLEM. SOMETIMES WE POST items like CAMERAS and some other Vintage A/V ITEMS as USED TESTED WORKING based on what the person who donates it to us, tells us. You will get a 100% REFUND if you are not happy. Please do not ever give us negative feedback, it hurts our business. I promise you, you will be taken care off if the item is not working. We are just reselling donated items to raise funds for our center recycle1234 in Union City CA. We do not generally have any technical knowledge for most of these items. You have two options if a tested working unit is bad:we can arrange a return for a FULL refundOr you can keep it for parts a partial Refund. FOR ITEMS THAT ARE SOLD AS PARTS ITEMS: Disclaimer: This item was dropped off to our Electronic Waste Recycling Center. We sell on ebay to raise funds for our operations costs. We dont know what it was exposed to before it got to us. We are strictly selling it for parts. If possible we have performed a simple ?power on? test and described what happens when powered on. For the items that are dirty we try to clean them the best we can but try not mess anything up at the same time. The item showed up at our facility in the exact condition you are seeing it. Please dont get upset when the item doesnt work like you imagined once you buy it. This unit is being sold as a PARTS ONLY unit. It could be firmware locked, water damaged, etc. on top of any physical damage. It has not been touched by us and the exact specifications/configuration is unknown. This item is being sold AS IS with NO RETURNS?. You only get what you see in the pictures no power cord, cables, accessories or adapter is included unless in the title or in the description. If you want we can perform some tests before you buy the item.PreSonus ACP88 8 Eight Channel Compressor Limter Gate for PARTS or REPAIR. We are an electronic recycle center. This item was donated to us. AV Rack middle -i