Model #VAR1 Voice Activated Relay Bogen VAR1 Tone Generator (req. 12V - 48V DC Power Supply, 100mA) The VAR1 Tone Generator is a relay device that monitors audio activity over a wide range of input voltages and operates two sets of C-Form relay contacts in response to detected activity. The VAR1 can be used to detect voltages as low as signals directly from a microphone or as high as signals from 70V speaker systems. A low level output of the detected audio, transformer-isolated from the input, is also made available for use with other equipment. Can be used as a balanced low-impedance mic pre-amp, also. Read More   $113.94

Model #TBA15 Talk Back Amplifier Two Way Talk Back Amplifier 15-Watt, 2-Way Amplifier The TBA15 Two Way Talk Back Amplifier allows a paging system to be used for hands-free, two-way conversation between a telephone system and remote speakers.The TBA15 uses the system’s speakers as microphones and feeds this signal out to a telephone line.When the TBA15 senses an audio signal on the telephone line, it automatically switches its 15W amplifier on and uses the speakers in the system conventionally. Control of speech direction is maintained at the telephone handset. Read More   $461.16

Model #ADP1 Door Phone Analog Door Speaker Phone The ADP1 is a convenient remote,weather-resistant, hands-free two-way terminal device for telephone systems. The unit is telephone line powered and includes adjustable microphone and speaker volume levels as well as a selectable Auto Answer feature to allow for remote audio monitoring of the area where the ADP1 is located. The ADP1 also includes an adjustable and defeatable call timer and can respond to forward disconnect signals. The ADP1 features a heavy-gauge stainless steel gasketed faceplate and plastic cone speaker with punctureresistant screen.The ADP1 is designed to fit in most indoor and outdoor dual gang electrical boxes (user supplied). A dress bezel is included with the unit for trimming out rough openings in flush mount applications. Read More   $166.86

Model #ANS501 Ambient Noise Sensor Ambient Noise Sensor w/ Power Supply & Mic The Bogen Ambient Noise Sensor system is designed to monitor continuously changing ambient noise levels and electronically adjust the level of a page announcement and/or background music so intelligibility is maintained. The system consists of the control module (Model ANS501), a microphone module (ANS500M), and a power supply. The system ensures that page announcements and music are audible even during periods of high noise levels by continuously monitoring the ambient noise level through a microphone module located in the subject area and adjusting the paging signal level into the system’s amplifier. Read More   $289.03

Model #NR100 Night Ringer Telephone Paging System Night Ringer The NR100 converts virtually any paging system into an after-hours night bell alert system. The economical NR100 night ringer sends an electronic tone through paging system speakers when triggered by the telephone system’s night bell circuit, thus eliminating the need for loud, old-fashioned night bells thoughout a facility. The NR100 is an easy and efficient way to alert security guards or other personnel of incoming calls during non-business hours. The NR100 is easily connected to the AUX input of a paging amplifier and can be activated by either 90V ring or contact closure. Connections are included for a background music source. The ringer preempts the background music automatically. Read More   $94.50

Model #TG4C Tone Generator Paging System Tone Generator (req. 12V - 48V DC Power Supply, 30mA) The Model TG4C Multiple Tone Generator is a compact, reliable unit designed to generate four distinct signals: pulsed tone; slow whoop; repeating chime; and steady tone. It is an excellent source for alarm or pre-announce signals in public address or telephone paging systems. The TG4C will accept a Hi-Z input from a program source, such as a tuner, turntable, cassette player,CD player, etc., and will maintain precedence over the program material for the duration of the contact closure. Read More   $137.43

Model #WMT1A Line Matching Transformer Lo-Z to Hi-Z Line Input Adapter - 600 ohm Matching Transformer The Bogen Model WMT1A transformer is designed especially for matching inputs from, or outputs to, a 600-ohm line. As an input-matching transformer, it may be used to connect telephone systems to most Bogen public address amplifiers for telephone paging. It also functions as an output-matching transformer in feeding program material over a 600-ohm telephone line for "music-on-hold". It is compatible with any amplifier having a 25V output terminal. Read More   $31.99