SMART Technologies, Inc. has issued a recall of all their USB audio system for SMART Board 600 series interactive whiteboards (SBA-NA) that have been shipped prior to May 25, 2006.  The speakers may overheat causing the internal speaker cone to ignite.  SMART is actively working with their supplier to determine the cause.

All users are being informed that they should stop using and unplug their speakers immediately. Instructions  for unplugging the speakers are available for download in PDF format from the SMART website.  The 4 reports to date of the speakers overheating and causing internal damage have been outside North America.  There have been no reports of property damage or personal injury involving these speakers. 

Customers are being asked to register with SMART for the recall program by completing an online form.