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TGS PRO Hearing Enhancement Systems
for Language Interpretation, Tour Guide and Hearing Assistance Applications

The TGS PRO 737 single-channel and TGS PRO 738 multi-channel hearing assistance, tour guide and language interpretation systems from Williams Sound help audiences with hearing difficulties overcome background noise and distance from the speaker. TGS PRO systems meet the ADA accessibility requirements for hearing assistance, and come with a Lifetime Plus Limited Warranty.

Williams Sound TGS PRO 737 and 738 Custom packaged systems

  • TGS PRO 737C
  • TGS PRO 738C Multi-Channel
  • TGS PRO 738C DUAL Multi-Channel
  • Options
  • Build your own

  Williams Sound TGS PRO 737C  Single channel system for 10 listeners, expandable.  

TGS Pro tour guide - translation and hearing assistance system

1 PPA T46 Transmitter
1 MIC 100 Headset microphone
10 PPA R37 Single-channel Receivers
11 BAT 001-2 Alkaline Batteries (2-pack)
1 CCS 030S Carry Case
User Manual
and choice of Headphone/Earphone option

To view available headphone options, click on Options Tab

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All about TGS 737-738 Pro Multi-channel FM Systems

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  • Description
  • Downloads
  • Tech Data at a glance
  • Warranty
  • "How to" Videos

The TGS PRO 737 and TGS PRO 738 hearing assistance systems save the speakers voice, listeners don’t miss the message, and the presentation does not disturb others. The speaker wears a compact body-pack transmitter and headset microphone. Listeners use receivers and lightweight headphones to hear every word clearly and easily. Even in the back of the group, participants won't miss a word of the presentation. The TGS PRO 738 system will allow up to 17 systems to operate in the same area simultaneously, with no cross talk or interference.

The PPA T46 transmitter will broadcast a speaker’s voice or audio program on one of 17 available channels, 72-76 MHz, to listeners using PPA R35-8, PPA R37, PPA R38 receivers or an R1600 speaker. The unit features flexible microphone and auxiliary input jacks, push-button on/off/mute controls, channel lock and selectable compression. The T46 has the ability to operate in dual channel mode, T36 Transmitter with MIC086 Heaset Microphoneallowing the user to easily switch between two different transmitting channels, each with its own set up parameters. An OLED screen displays current operating status and menu information. The new T46 operates up to 30 hours on two (2) AA Alkaline batteries, and up to 20 hours with two (2) NiMH batteries. Rechargeable capability when used with Williams Sound drop-in chargers. Lightweight with belt-clip, the PPA T46 will operate at a range of up to 150 feet (46m) from the listening audience.

The MIC 100 Headset Microphone is standard with all systems. Because the microphone is always at a fixed distance from the mouth, the audience won't miss a word. The highly sensitive boom microphone is great for courtroom interpreters and other language translation applications where the voice level must be kept very low. In addition, the MIC 100 is equipped with an effective wind cone, making it the perfect solution for outdoor tour guide applications. Equipped with a standard 3.5 mm mic jack, the PPA T46 transmitter can also be used with many other microphone styles such as lapel, conference table and hand held units typically used for hearing assistance applications.

The PPA R37 SelectTM Channel FM Receiver features a Seek/Scan function channel selector with access to 17 pre-set PPA R37 receiverwideband frequencies between 72-76 MHz. The stylish, impact-resistant receiver offers crystal clear audio and is compatible with any Williams Sound Personal PA wideband transmitter. The system is expandable, accommodating any number of listeners. Receivers include a detachable belt-clip for hands-free operation. A standard 3.5 mm stereo phone jack accommodates low-impedance mono earphones, headphones and neckloops (the ADA accessibility requirements for hearing assistance, requires one neckloop per four receivers or a minimum of two). The PPA R37 receiver is equipped with a integrated volume on/off switch and a green LED power on indicator. The green power on LED will illuminate red indicating low battery power. The PPA R37 receiver operates on two AA alkaline batteries for 50 hours of long-lasting operation. A battery selector switch inside the battery compartment also permits use of NiMH rechargeable batteries. Operating time with NiMH rechargeable batteries is approximately 32 hours.

PPA R38 receiverThe PPA R38 Multi-Channel FM receiver share the same ergonomically design features as the select-channel receiver. A on-screen channel selector with easy access to 17 pre-set, wideband frequencies (72-76 MHz) easily lets the user select the appropriate channel. It is digitally synthesized for exceptional audio clarity and stability.  Other features include digital tuning, digital squelch and battery-saving sleep mode. A new stereo jack paired with the mono jack adds compatibility with a variety of earphones/headphones. The battery life for the PPA R38 is approximately 50 hours with alkaline batteries and 32 hours with BAT-026-2 1500 mAh rechargeable NiMH batteries.

The CHG 3512 and CHG 3512 PRO multi-unit, drop-in style charger will conveniently store and charge up to 12 Williams Sound R33, R37, R35-8, R36, R863, RX22-4 receivers, or PPA T36, PPA T46, PFM T36, T863 transmitters over the course of a 16-hour time span.CHG 3512 12-Unit charger The charger helps keep receivers organized and saves cost on having to replace CHG3502 Two-Unit drop-in chargeralkaline batteries. The charger features individual charging LED indicators that blink when batteries are ready. The CHG 3512 PRO includes a convenient portable carry case. A Dual Drop-In Charger, CHG 3502, (right) is also available. The standard version includes a US power supply (120 VAC). Other power supplies are available upon request.

NOTE: TGS PRO systems are approved by the FCC for operation in U.S. markets. The system cannot be used in all countries.
Check with your government´s radio regulations for 72-76 MHz operation.