| 06/29/01 - We are pleased to announce that the DTS-ES Discrete, Dolby Pro Logic II and Neo 6 upgrade is now available. You will need to have the serial number for the DTR-9.1 that you own. The password to access the upgrade is specific to your serial number. The upgrade kit contains a CD-ROM with the upgrade firmware and the required serial cable for connection to the RS-232 port of your Windows 98 / 2000 / ME based PC or laptop. The cost for the kit will be $49.95 plus shipping and handling, also sales tax where applicable.The kit is available to USA customers only. If you have any questions, please feel free to email one of our Product Specialists or call our corporate office at 201-785-2600.