Eliminating ground loop hum in paging systems- Paging or mass notification sounds on a phone line- Strip off talk battery voltage from paging station- Consolidating two audio sources into one- Daisy chain a paging system speaker output into a second power amplifierFTs input- Low cost solution- Inputs available on screw terminals, RCA Jack, and modular jack- Outputs available on screw terminals and RCA Jack- Line Level, Speaker Level, or Telecom Station inputs- Line Level output- Wall mountable with foam tape and screws- Excellent sound quality