Please note: US customers with US versions only.

We need to collect some information about your AVR-3808CI or AVR-4308CI so we can provide you with information on how to obtain your feature package. If your receiver was professionally installed after 9/1/08 by a Denon certified custom installer we highly recommend that you contact them and inquire about this feature package upgrade. Please enter your purchase date, model number, serial number, and mac address. This information is required for validating your unit for the Feature Package Upgrade. All fields are required. Purchase Date Month 1 2 3 4 5 6 7 8 9 10 11 12 / Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 / Year 2009 2008 2007 2006 Select Model Number AVR-3808CI      AVR-4308CI MAC Address *Note: Enter Mac Address without colons or spaces. e.g. “1111AA12345B” Serial Number (You can find your serial number and Mac address on the back of the product, on the outside of the original carton, or by pressing three buttons on the front panel so it appears in the display.) Click here to view an example...