When opening your support case or registering your device, it is extremely important that you provide us with the serial number on your product. 
There are certain aspects of the serial number that allow us to identify when the product was manufactured and the precise Model you are using.

The serial number is normally a 13 character code that begins with an "S". This is located on a White sticker with a barcode, and in most cases will be located on the bottom of the device or near the power input on the rear. 
Please see the following example of a valid serial number. 

With some TC Electronic, TC Helicon, Tannoy and Lab Gruppen products, the serial number may appear differently, however it will still be located on a white sticker with a barcode, in a similar location.