Thank you for your purchase. As the original owner of a brand new product distributed or sold by The Evolution Of Sound or one of our authorized dealers, please complete this warranty registration form within 30 days of purchase date.

The following models require registration in order to insure a full warranty period. Where applicable, you will be informed via email of available upgrades or firmware updates.

Abyss Headphones*- Register at Abyss Headphones Product Registration Page

Lotoo PAW Gold Diana® Edition
(Firmware update notifications will be sent via email)

KR Audio HP series Tubes*
(Please register each tube set as pairs, the serial number of each tube may be found on a silver tag inside the tube itself or on the enclosed serial number card)

Name *
Purchase Date *
Purchase Date