GT SET THREE

The Clockaudio GT SET THREE tour guide system helps tour groups overcome disturbing background noise and distance from the guide even in noisy surroundings. The system consists of a transmitter, a number of pocket size receivers with rechargeable batteries and one of several charging stations.
QUICK SPECS
Frequency Response
70Hz - 15 kHz
Power Requirements
Lithium 3.7V 1200mA battery
Dimensions
34.2 x 52.1 x 88(mm)
Weight
Tx: 75g / Rx: 85g (with Battery)

Engineered for Perfect Speech Capture

Flight case / charger complete with 29 x GT 400R receivers and 1 x GT 400T transmitter.

  • Portable, wireless listening, easy to set up and use. No installation is required.
  • Operating distance 100 meters (open field).
  • 16 switchable frequencies in Channel 70 (863-870MHz).
  • LCD channel displey to show the selected channel by up and down button, frequency, battery condition and error code.
  • Allows an unlimited number of additional receivers to be used with one transmitter.
  • Pocket size, rechargeable wireless transmitters and receivers.
  • Fully charged batteries provide 8-10 hours use.
  • Can also be used with standard batteries.
  • GT 400T transmitter incorporates MIC. Input and Aux. input allowing audio sources from CD or MP3 player.
  • GT 400R receiver includes Aux. Output for connecting an amplifer or active speaker form a wireless receiver system and 3.5mm jack for use with earphones or neck loop.
  • Finish: Black.

For ‘Glossary of Terms’ Click Here

Portable, wireless listening, easy to set up and use. No installation is required.

Operating distance 100 meters (open field).

16 switchable frequencies in Channel 70 (863-870MHz).

LCD channel displey to show the selected channel by up and down button, frequency, battery condition and error code.

Technical Specifications

Application
For use on individuals or group situations such as narration or instructional use on guided tours, museums, Zoos, factories, garden events, language tuition, or any indoor / outdoor activities. Charger complete with 29 x 863 – 870MHz GT400R receivers and 1 x 863 – 870MHz GT400T transmitter.
Frequency Response
70Hz - 15 kHz
Power Requirements
Lithium 3.7V 1200mA battery
Operating Temperature
- 10°C - 50°C
Finish
Black
Operating Range
> 100M (Open Field)
Oscillation Type
PLL Synthesized Control OSC
Carrier Frequency Range
640MHz - 865MHz
Channels
16 or 96
Dynamic Range
> 80db
T.H.D.
< 1%
Dimensions
34.2 x 52.1 x 88(mm)
Weight
Tx: 75g / Rx: 85g (with Battery)

Key Features

01

Portable, wireless listening, easy to set up and use. No installation is required.

02

Operating distance 100 meters (open field).

03

16 switchable frequencies in Channel 70 (863-870MHz).

04

LCD channel displey to show the selected channel by up and down button, frequency, battery condition and error code.

05

Allows an unlimited number of additional receivers to be used with one transmitter.

Downloads & Documentation

Frequently asked questions

What industries does Clockaudio serve?
Clockaudio solutions are used across corporate offices, education, government, healthcare, broadcast, and commercial AV environments where reliable, high-quality audio is essential.

Yes — Clockaudio microphones and audio systems integrate seamlessly with major unified communications platforms including Microsoft Teams Rooms, Zoom Rooms, Cisco Webex, and Google Meet. Our boundary, gooseneck, and ceiling microphones deliver the clarity and reliability required for professional video conferencing installations worldwide.

Yes. Our engineering team provides system design consultations for integrators and end-users, helping specify the right combination of microphones, processors, and accessories for your space. Our technical support team is available throughout the installation and commissioning process.

Clockaudio has been designing and manufacturing professional audio products in the United Kingdom for over 40 years. Our UK facility handles R&D, precision assembly, and quality control — ensuring every product meets the standards expected by AV professionals worldwide.

The right microphone depends on your room size, acoustic environment, and application. Boundary microphones suit tabletop conferencing; goosenecks are ideal for fixed lectern or dais positions; ceiling-mounted mics offer clean aesthetics for modern meeting rooms. Contact our team or use our Search Facility to find a certified integrator near you for a tailored recommendation.

IDEAL FOR

Application Areas

Houses of Worship

Exceptional speech intelligibility for worship services and ceremonies.

Corporate AV

Professional audio solutions for corporate environments and facilities.

Healthcare Facilities

Clear communication for medical consultations and patient interactions.
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