Model Tw 3 Wireless Microphone Transmitter (Model 17449000)

Telex TW 3 wireless microphone transmitter in one compact unit designed primarily for classroom use with hearing impaired students in either transmission of teacher's voice or as direct transmitter of audio output of audiovisual units. Hand held or worn around the neck. Battery status light. Audio limiter circuit prevents over modulation without over amplification of background sounds. Auxiliary input jack with switchable 10 decibel teacher voice-over capability provide convenient use with television, tape player, phonograph and other audio-visual sound sources. Automatically shuts off when charge is plugged into charge jack. Gain trimmer, 12 decibel range supply voltage, 7.6 to 9 volts nominal range auxiliary input, high impedance, 250 mv maximum level rf output, 100 mv maximum. Operating frequencies, channels 1-32 in 72-76 mhz band as well as channels within 30-45 mhz band to meet requirements of other countries. Microphone, directional cardioid electret. Power supply, rechargeable 9 volt NICAD battery, battery life with 225 MA cell, approximately 15 hours; with 100 MA cell, approximately 8 hours. Neck cord, 30 inches. 7 by 1.5 by 0.7 inches. Weight 5.5 ounces. Includes: microphone/transmitter with rechargeable battery and lavaliere neckstrap. Options: rechargeable battery for $40. 00; lavaliere neckstrap and charge cord.