A customer who owns 888|24's with 20-bit DACs may upgrade their units for $175.00 each. Customers who purchased 888|24's after June 1st, 1998 are eligible for free upgrades.Upgrades require the return of the 888|24 to an authorized Digidesign Service Center.An advance replacement program will also be in place. For $449 (US) or $569 (Intl), an upgraded unit with 24-bit DACs will be sent to the customer and they would then send in their original unit(s).Contact Digidesign Technical Support for the upgrade.