DescriptionSupports up to 11.2ch processing.* Since it is an AV preamplifier, a separate power amplifier is required.Dimensions (width x height x depth) 435 x 192 x 474 mm* Height 247 mm when wireless antenna is uprightMass 13.5kg?I think that it is a relatively beautiful person, but please understand the feeling of use and dirt because it is a second-hand product.Payment payoneerShipping japan post -Fedex *For FedEx / DHL shipping items, a person residing in the remote area will have to pay an additional shipping fee.Terms of Sale We can accept return within 60 days after you receive it. Please make sure to contact us first if you want to return it. It is buyers responsibility for the return shipping cost when sending back the item to us. The item has to be returned in the original condition from the time you received. No returns on products that show any evidences of use.International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.Conditions shown here are based on our standard.Please understand that the conditions of used items that have been stored in our warehouse changes by time.Listings that shows Working means that it confirmed working when we stored items in our warehouse, some items might stop working during the shipment or after delivery to you.(We double check if they are working before shipping them out) Pre-owned(used) items are used items, so please purchase if you acknowledge it.