Fm Satellite Wireless Auditory Trainer (Models Atr 7 And Atr 7M)

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The FM Satellite Wireless Auditory Trainer, models ATR 7 and ATR 7M, is an FM amplification system designed for sound enhancement in the classroom, lectures and meetings, and in conversation. The auditory trainer receiver provides a uniform teacher lead-to-ear with system compression and student adjustment for environmental level. FREQUENCY: Frequency response, 20 decibels roll of 100 hz rel. 1khz std. Optional flat response. Plug in module for frequency change externally, with model ATR 7M. FEATURES: MPO 138 decibels maximum. Saturation 90 decibels input MIC, MCL and volume controls maximum. MCL internally adjusted through case for each ear, sets teacher level, FM and gain range of student microphone. Acoustic gain 70 decibels maximum, adjustable. Signal to noise greater than 50 decibels. Reversible clip for shirt pocket or trousers belt, harnesses also available. Transmitter model ATT 7 to be used with receiver models ATR 7 and ATR 7M. POWER: Built-in nickel cadmium (NICAD) rechargeable battery for an 18 hour full charge, replaceable with a 9-volt alkaline or carbon cell for emergency power. DIMENSIONS: Receiver is 2.2 x 3.6 x 1.1 inches. WEIGHT: 4.5 ounces.


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Earmark Inc
Earmark Inc Organization Type: 
Email address:
Phone: 888-EARMARK (327-6275)
Fax: 203-777-2886
Phone (U.S. and Canada): 
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Deaf & Hard Of Hearing