TT126 Main transmitter
·Full-duplex bidirectional intercom for interactive experience
·Professional 23dB Noise-Reducing Headset
·High-quality clear sound
·Industrial-Grade Durability
✔️Hassle-Free Returns (30 Days)
✔️Guaranteed for 3 Years
✔️Lifelong Customer Support
Enable real-time interaction between the factory guide and team members to enhance communication efficiency.
Digital transmission provides clear audio and includes noise-canceling headphones that block out ambient noise.
Press the button to speak—simple as that. Also with auto-pairing, channel memory, and one-touch mute for extra convenience.
Built to withstand the rigors of factory and plant tours, ensuring reliability when you need it most.
The transmitter runs for 10 hours, and the receiver lasts from 10 to 70 hours. Optional charging bases and cases are available for batch charging.
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Units sold annuallyClients worldwide
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Customer praiseOur solutions ensure clear communication in the most challenging industrial environments

The noise-canceling headphones included with the TT126 two-way guided tour system allow visitors to clearly hear commentary even in noisy factory workshops while protecting their hearing.

No need for trainers to raise their voices to instruct; trainees can ask questions easily, even in high-noise spaces. Ensuring full participation regardless of distance from the trainer.

When key clients visit, clear communication matters most. Our noise-canceling headsets and hands-free systems ensure everyone hears and speaks clearly, enhancing participation and engagement.















280m (918ft) transmission range suits large industrial 25 selectable channels, Multiple groups can be used simultaneously in the same area without frequency crosstalk.
One-touch pairing of main transmitter and sub-transmitters; One-touch to mute main transmitter; Long press of main transmitter to turn off all sub-transmitters in batches. Automatically memorize the paired channel, ready to use after power on, no need to re-set.
Transmitter accepts microphone and AUX inputs (e.g., MP3/phone), enabling pre-recorded audio or background music playback.
Standard accessories include a earpiece with mic(can be worn on either ear), USB charging cable, and lanyard.
Adjustable mic gain (1-7). Lower it in noisy places for clearer audio. The receiver offers 10-level volume adjustment to suit different hearing needs. It automatically powers off after 20 minutes of inactivity (no signal) to save energy smartly. The receiver can be easily expanded – you can add as many receivers as your team needs.
You can charge your devices using the USB charging cable included in the kit, or charge in bulk more conveniently via the charging station or charging case.
24-Slot Charging Case: Contact charging eliminates plugging/unplugging for effortless use. Constructed with durable aluminum alloy, it charges 24 devices simultaneously and serves as a storage case for devices, microphones, earpieces, lanyards, and other accessories.
16-Slot Charging Base: Contact charging, just put it into the groove to charge, no need to plug or unplug, and powers 16 devices at once.
| Package | Package List |
| KIT1: 1 main transmitter+10 sub-transmitters+1 charging base |
1 x Main Transmitter, 10 x Sub-transmitters, 1 x 16-Slot Charging base,11 x Lanyard, 11 x USB recharging cable, 1 x User’s manual,11 x Noise-canceling headset / 11 x Earpiece headset with mic |
| KIT2: 1 main transmitter+15 sub-transmitters+1 charging base |
1 x Main Transmitter, 15 x Sub-transmitters, 1 x 16-Slot Charging base,16 x Lanyard, 16 x USB recharging cable, 1 x User’s manual,16 x Noise-canceling headset / 16 x Earpiece headset with mic |
| KIT3: 1 main transmitter+20 sub-transmitters+1 charging case |
1 x Main Transmitter, 20 x Sub-transmitters, 1 x 24-Slot Charging case,21 x Lanyard, 21 x USB recharging cable, 1 x User’s manual,21 x Noise-canceling headset / 21 x Earpiece headset with mic |
| KIT4: 2 main transmitter+22 sub-transmitters+1 charging case |
2 x Main Transmitter, 22 x Sub-transmitters, 1 x 24-Slot Charging case,24 x Lanyard, 24 x USB recharging cable, 1 x User’s manual,24 x Noise-canceling headset / 24 x Earpiece headset with mic |
| KIT5: 3 main transmitter+42 sub-transmitters+1 charging case |
3 x Main Transmitter, 42 x Sub-transmitters, 1 x 45-Slot Charging case,45 x Lanyard, 45 x USB recharging cable, 1 x User’s manual,45 x Noise-canceling headset / 45 x Earpiece headset with mic |
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TT126 Main transmitter |
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Operating frequency range |
European version: 823-832/863-865MHz US version: 902-928MHz |
| Number of channels |
European version: 12 channels US version: 25 channels |
| Operating temperature | -10 degrees to 50 degrees |
| Transmit power | 25dBm(max) |
| Signal-to-noise ratio | ≥70dB |
| Frequency response range | 20Hz-5KHz |
| Charging time | 5-6 hours |
| Charging current | 500mA |
| Working time | 10H |
| Transmitting distance | 250 meters in the open visual environment |
| Battery capacity | 2500mA lithium battery |
| Charging method | TYPE-C/charging case |
| Weight |
European version:190g US version:191g |
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TT126 Vice transmitter |
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Operating frequency range |
European version: 823-832/863-865MHz US version: 902-928MHz |
| Number of channels |
European version: 12 channels US version: 25 channels |
| Operating temperature | -10 degrees to 50 degrees |
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Sensitivity |
-97db |
| Frequency response range | 20Hz-5KHz |
| Charging time | 5-6 hours |
| Charging current | 500mA |
| Working time | 10H-70H |
| Transmitting distance | 250 meters in the open visual environment |
| Battery capacity | 2500mA lithium battery |
| Charging method | TYPE-C/charging case |
| Weight |
European version:183g US version:182g |
Q: For the TT126 two-way audio guide systems, If a vice transmitter speaks, can only the main transmitter hear what they are saying or can all of the vice transmitters and the main transmitter hear what they are saying?
A: When the TT126 vice transmitter speaks, the main transmitters and all vice transmitters in the team can hear what he says.
Q: Can I connect more vice transmitters for use?
A: Of course, the main transmitter can pair with any number of vice transmitters and work together, if you need more vice transmitters, please contact us.
Q: What is the warranty for the 2-way system?
A: We offer a 30-day no-reason return and a 2-year warranty, so you can try it with confidence.
Q: What components are included in this kit? What is the exact quantity?
A: Click here to find out, or contact customer service directly for information.
Q: Can I purchase the transmitter/receiver/charging case separately?
A: Yes! We offer all components for individual sale. Please visit our "Accessories Center" page to find the components you need, or contact customer service directly for a separate quote.
Q: What is the warranty policy?
A: We offer a 3-year warranty. Free repairs will be provided during the warranty period.
Q: Do you offer demo testing? How do I apply?
A: Retekess.com offers free demo testing (a deposit is required). Please click "Demo Application," and our customer service will contact you within one business day to arrange shipping.
Q: How do I customize the quantity (e.g., 99 transmitters + 9999 receivers)?
A: Retekess.com supports customization of any quantity. Please click here to inform me of your desired model and the specific quantity needed. Large orders may also receive a surprise additional discount!🎁
Q: Can you customize my company logo? What are the logo size specifications? What is the minimum order quantity for customization?
A: Retekess.com supports tour guide system logo customization. However, the specifications and minimum order quantity may vary depending on the product model. Please click here to tell me the product model you wish to purchase so I can provide you with detailed information one-on-one.