Wall Mount Amplifier Built To Meet The Most Demanding User Requirements- Three balanced microphone or auxiliary inputs- Telephone audio page port input- Multi-level priority switching- Voice controlled switching on all inputs- Effects loop with link switch- Booster output- Screwdriver adjustable volume controls- Bass and treble controls- Two built-in tone generators (single and warble tone)- Mix all inputs or priority input option switch- Power "ON" indicator- Clipping indicator- Triple level output protection:- thermal, active current limiting, circuit breaker- Screw terminals provided for all connections- Easy, convenient wall mounting