Bogen TPU60B Telephone Paging Amplifier is a wall-mounted telephone paging amplifiers rated at 60 watts. Bogen TPU60B can also be rack-mounted. Bogen TPU-60B amplifier permits paging from telephone and/or microphone. Bogen TPU60B has a music input through an RCA jack or screw terminals. Bogen TPU-60B Voice-activated, variable level, music mute with fade back after page. Bogen TPU60B amplifier includes a night ringer which sends an electronic ringing tone signal through all speakers, alerting personnel of incoming calls during non- business hours. Bogen TPU60B jacks are also provided to bridge two TPU amplifiers to double the number of inputs and outputs.