April, 2004 – Las Vegas, NAB Show – At this year’s NAB show, Mackie is unveiling their latest digital recording console based on the versatile dXb platform that was unveiled at the AES show last October. The new dXb.400, which joins the dXb.200 that was introduced at the NAMM show last January, incorporates an up-market feature set designed with professional recording and post production applications in mind.