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FM Multi-Channel Transmitter - T-500

SKU: T-500
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FM Multi-Channel Transmitter - T-500

17-Channel FM Transmitter for assistive listening and language interpretation. Compatible with R-120 and most FM receivers in the 72-76 MHz band.


This 17-channel professional FM transmitter can be used for assistive listening and language interpretation. It wirelessly broadcasts a speaker’s voice, music or any audio signal up to 1000 ft. The audience can use the optional R-120 FM multichannel receiver or any other compatible FM receiver operating on the 72-76 MHz frequency to pick up the broadcast. The T500 transmitter features 3 main audio inputs that allow the direct connection of virtually any audio source, including a 3.5 mm jack for headset microphones, an XLR & ¼ inch combination jack with a selector for dynamic microphones, condenser microphones or line-level signals, and a RCA line auxiliary input. It also has a recording output and a 3.5 mm monitor headphone jack. Its LCD display allows to easily program the various useful functions, such as test tone, RF power level, display mode (frequencies or channel numbers corresponding to the Enersound R-120 receiver), channel lock. In the US, the FCC limits the use of this device to assistive listening and simultaneous interpretation. This transmitter cannot be used in all countries. Check with your government’s radio regulations for 72-76 MHz operation.

Box includes:

T-500 transmitter

ANT-500 antenna

PS-500 power supply


Superb Audio Quality

Long transmission range of up to 1000 ft

Tabletop or rack-mountable

Easy set-up and operation

Multiple inputs and connector types for speech, music or any other audio signals

XLR, ¼’’, 3.5mm, RCA inputs

17 selectable channels

Ideal for assistive listening and language interpretation

Compatible with most FM receivers in 72-76 MHz

LCD display with backlight

Adjustable power output

Microprocessor controlled

Universal Power Supply works worldwide

Special Features for Language Interpretation:

For language interpretation, it has a unique integrated interpreter monitoring function. This feature allows interpreters to select an external incoming audio source and utilize a headset to listen to the source language without the need of an interpreter console or external headphone amplifier. Through the headphones’ volume control, interpreters can set the desired incoming audio level and the mute button allows them to momentarily silence their microphone for coughing or sneezing. For more advanced interpreting functions, it can also be utilized with the Enersound IC-12 multi-channel interpreter console or with any other interpretation platform with analog audio outputs.
Its LCD display allows to easily program the various useful functions, such as test tone, RF power level, display mode (frequencies or channel numbers corresponding to the Enersound R-120 receiver), channel lock.



Without top antenna connector: L 5” X W 5.5”x H 1.77” (127 mm x 140 mm x 45 mm)

With top antenna connector: L 5” X W 5.5”x H 2.36” (127 mm x 140 mm x 60 mm)

Weight: 2.3 Lbs (1.05 kg)

Transmitter Only: 18.7 oz. (531 g)

Boxed with Antenna and Power Supply: 35 oz (990 g)

Color: Black

Power: 100-240 VAC, 50-60 Hz, 3 W

Operating Frequencies: 72-76 MHz

RF Field Strength: Does not exceed 80mV/m @ 3m

Nominal Range: Up to 1000 feet (305 m)

Modulation: FM, Selectable

75 kHz deviation max. or

25 kHz deviation max.

Stability: ± .005% over 0-50˚C

Pre-Emphasis: 75 µS

Frequency Response: 100Hz – 15kHz ±3dB

Distortion: 1% Max. THD

Signal to Noise Ratio: 69 dB

Channel Freequencies

Additional Information

T-500 Brochure

T-500 User Guide

SKU: T-500

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