Sound Devices product serial numbers are 12 digit sequences located on white bar code stickers. The bar code sticker is located on the back of 7-Series recorders. When a battery is in place, the serial number sticker is not visible. The bar code sticker is located on the bottom panel for all other Sound Devices products.
744T Back Panel
An additional serial number label is located on the outside of the original shipping box. Serial numbers can contain numbers and letters.
Sound Devices encourages customers to register their products. If and when technical bulletins are issued, notices are sent to registered customers based on their product serial number. This information is solely used by Sound Devices and is not shared with any other entity.