An issue has been discovered in which the factory limiter settings for both PowerMatch and PowerSoft amplifiers could, under certain circumstances, not be sufficient in protecting the transducers in the AMM108.

Attached is a Technical Bulletin describing the issue, how to fix it, and the proper files needed.

Attached File Descriptions

"Product_Technical_Bulletin_Dealer_AMM108_26Jan2023.docx" - Official public Technical Bulletin

"Bose_Professional_AMM_Loudspeaker_EQ_20230123.zip" - ControlSpace EQ/Preset file for Limier changes. 

"Bose_Professional_AMM_Loudspeaker_Settings_for_Armonia.zip" - PowerSoft Armonia settings document (informational)