Line 6 issued a user safety notice about its Relay G10T Transmitter on May 7.
More details from Line 6 (www.line6.com):
Due to a recently discovered safety issue with the Relay G10T Transmitter, Relay G10T owners are asked to immediately discontinue use of their Relay G10T unit and take action to quickly and easily reconcile this problem. If you own or use a Relay G10T transmitter, please follow this link for more information and guidance on next steps: www.plsn.me/FOH-Line6-safetynotice