Kawai K4r Firmware OS update Version 1.4 – Final/Latest Revision
This is firmware update 1.4 and is the latest official released operation system by Kawai. This operation system update/upgrade requires one eprom chip.
The OS v1.4 upgrade provides bug fixes related to midi communication, system code issues and general stability.
Fixed – Major lag when playing many notes simultaneously.
Fully verified before shipping and professionally packaged in anti-static material.