SKU: Rbox-1 (0051) Insignia AC-112 U120070D35 AC Adapter 12 Volt Speaker Power Supply 5.5mm X 2.1mm Product Description: Item has been tested and works. The center tip is negative on this power supply.DC power barrel plug is 5.5mm X 2.1mm Product Features: If you match model # to model # you cant go wrong, but be aware that this voltage output is opposite polarity of what you would find on the typical power supply. The center tip is negative on this power supply. Item is being sold in As Is condition. No expressed warranty or guarantee is implied. We are a U.S. seller. This product is in stock and ready to ship. Almost all specs are from research, but without manuals I cannot guarantee or verify these are correct numbers. Any items being used, and vintage may have scuffs and/or scratches. Any defects and/or damage will ne noted. Please view all of the photos as they are part of the description and intended to help you determine age and condition. If we made an obvious error on shipment, please contact us within 3 days of receiving the item for Return Authorization. We strive to describe listings as accurately as possible. However, there is always a possibility that some detail may have inadvertently been overlooked.Our goal is to make every customer 100% satisfied with their purchasing experience. You may return items only in the original condition within 30 days.If you are not satisfied, please let us know before leaving feedback. Send us a message through eBay and let us know how we can earn your satisfaction.These items are used and due to the age in most cases vintage stuff. we try to describe as best we can. Most listing items I have collected came from estate sales and/or garage and yard sales over the years. I do not know the history of any items. I do basic simple tests to see if an item works. If I find something is non-working or broken, I will list as much. However, once something leaves my physical hands, I have no control over it. Therefore, I mostly list my items Sold As Is. NOTICE: USPS prices have increased, please dont hesitate to contact me for a price quote if necessary. HAPPY ebaY ING !!! Thank You For Shopping! We Strive for every purchase to always be a five-star rated one. Please let us know how we can make yours a five-star rated one too!Our goal is to make every customer 100% totally satisfied with their order.When you receive your order take a minute to leave us positive feedback at eBay.Please do not simply leave a neutral/negative feedback if you had an issue with an item. If you are not completely satisfied, please contact us via email before leaving any feedback.Promptly send us a message through eBay to inform us about how we can earn your satisfaction! Please know that your positive feedback and 5 star rating on eBay are both extremely important to us. The five-star rating system which was instituted by eBay is important for continued success of our store.Again, we ask that you do not just leave a negative/neutral feedback, but contact us through eBay Messages. When we receive positive feedback From you, we will then automatically likewise leave positive feedback For you. *** Please make sure shipping address is correct when checking out as the address cannot be changed after order is placed. ***We want you to be happy with your purchase. You may return items only in the original condition within 30 days. Have A Question? Please Message us! We are more than happy to help. HAPPY ebaY ING !!!Thank You For Shopping!