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Description

 TT129 3 Transmitters Full-Duplex Intercom for Small Team

The TT129 Full-Duplex Three-Transmitter Solution is engineered for deep collaboration within 3-person teams. It breaks the "talk-and-wait" limitation of traditional intercoms, delivering a full-duplex communication experience where all three members can speak and listen simultaneously, making team interaction as natural and fluid as a face-to-face conversation.

Core Advantage: Triple Full-Duplex Intercom System

  • True Three-Person Full-Duplex

All three members can speak and listen at the same time, with no need to wait for others to finish. Enables seamless communication flow and more effective brainstorming, significantly boosting team collaboration efficiency.

  • Independent Communication Units

Each transmitter is a complete, standalone communication unit. Auxiliary transmitters(S-transmitter, R-transmitter) do not require an additional receiver to hear other speakers, simplifying setup and enabling more direct collaboration.

  • Complete Conversation Awareness

Each member can hear their own voice in real-time through the headset (side-tone monitoring) and can independently adjust the listening volume. This ensures a comfortable, natural speaking state and guarantees clearly transmitted content.

Ensuring the Full-Duplex Experience

  • Intelligent Noise Cancellation for Clarity

Environmental noise can be amplified when three people speak simultaneously. The TT129 supports adjustable noise cancellation levels, effectively filtering background noise to ensure the received audio remains clear speech, even in complex environments.

 

  • Independent Control, Uninterrupted Operation

Each member can independently mute or unmute their own microphone and separately adjust their microphone gain, providing flexibility for different speaking scenarios and personal preferences.

  • Stable Connection & Long-Lasting Battery

100m Wireless Range: Stable transmission up to 100 meters in open areas between main and auxiliary transmitters, ensuring reliable communication even when the team is on the move.

Ultra-Long Battery Life: The transmitter operates for up to 20 hours. The receiver operates for up to 120 hours, meeting the demands of multi-day, high-intensity use.

Spec

Specifications of TT127 Audio Tour Guide Systems

Transmitter Receiver
Size 52 x 102 x 14.5mm Size 52 x 60 x 14.5mm
Weight 65g Weight 48g
Microphone Plug 3.5mm Headphone Plug 3.5mm
Volume 15 levels Volume 15 levels
Charging Voltage DC 5V Charging Voltage DC 5V
Charging Method Type-C / contact charging Charging Method Type-C / contact charging
Battery Capacity 1500mAh Battery Capacity 1200mAh
Charging Time About 4 hours Charging Time About 3 hours
Battery Life About 12 hours Battery Life About 24 hours
Built-in Storage 16GB Sensitivity -105dB
Frequency Range European frequency: 863-865MHz
US frequency: 902-928MHz
Frequency Range European frequency: 863-865MHz
US frequency: 902-928MHz
Channels European channels: 15
US channels: 100
Channels European channels: 15
US channels: 100
Working Current 140mA
Channel Spacing 250-500KHz
Volume 15 levels
Distortion <1%
Antenna External fixed antenna
Battery Capacity 1500mAh
Language Built-in 41 languages
Rated Voltage 3.7V
Operating Temperature -10℃ to 50℃
Transmitting Distance Max. 200m
Receiver
Frequency Range 2403-2483 MHz
Number of Channels 999
Operating Mode FHSS
Product Weight 96g
Communication Distance 100-200 meters (open area)
Operating Time ≥120 hours
Charging Time USB Type-C, approximately 5 hours
Headphone Specifications 32 ohms

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Tour Guide System

TT129
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