Retekess T130S T131S Assistive Listening Systems for Conference Training Teaching with Wireless Microphone

SKU: F9632AX4-F9632BX60-F9423DX1-F9604AX2

Regular price $2,299.99

This assistive listening systems includes 4 transmitters, 60 receivers, a 64-port charging case, and 2 wireless microphones.

Easy to use, no complicated operation

Wireless transmitters with a range of up to 100m/328ft

Transmitters and receivers can work continuously for 20 hours

Supports MIC and AUX inputs

Rich user-friendly features

This assistive listening device is suitable for a variety of venues, such as theaters, conferences, lectures, outdoor classes, chapels, etc. For all situations where communication is difficult due to distance and noise, it can help make your event more successful as a high-quality solution.

Durable 60-port charging case

This portable charging case can charge 4 transmitters and 60 receivers at the same time, and batch charging makes charging more time-saving. You can also use it as a carrying case, it can put down 64 devices and all accessories (headset, microphone, lanyard), easy to carry with you on the go.

Comfortable and lightweight wireless microphone

The wireless microphone provides clear, high-fidelity stereo sound. It allows the speaker to speak without being bogged down by tangled wires, and with better pickup, the listener can focus on the crystal-clear sound transmitted by the speaker. The microphone takes 2-4 hours to fully charge and can operate for up to 8 hours.

Long-range assistive listening systems

Listeners wearing the receiver can hear the presenter clearly at a range of 100 meters from the transmitter. If you have a large audience or a large conference venue, listeners can comfortably receive audio information without having to gather near the presenter.

Rechargeable high-capacity lithium battery

The transmitter has a built-in 4200mAh rechargeable lithium battery that lasts about 20 hours, and the receiver has a built-in 900mAh rechargeable lithium battery that lasts about 20 hours, so even if the meeting lasts all day, you don't have to worry about the whisper listening devices running out of power in the middle.

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AUX input and MIC input

The transmitter not only supports MIC input but also has a separate AUX jack to support auxiliary audio input. You can use a 3.5mm AUX cable to connect the transmitter to an MP3, PC, radio, or cell phone to play music or pre-recorded voice files for visitors. (Note: AUX input and MIC input cannot be used at the same time)

Mute transmitter

The wireless transmitter with one-touch mute function, if the speaker encounters coughing, sneezing, or other sounds he doesn't want the audience to hear when he speaks, he just needs to click the "+" button on the transmitter, and the listener won't hear any of his voice, click the "+" button again to return to normal voice transmission mode.

One-button automatic channel synchronization

The transmitter and receiver need to be adjusted to the same channel before use, the T130S T131 whisper system can synchronize the channels of all devices within 8 seconds, without spending a lot of time adjusting the channels one by one. In addition, they have a channel memory function, no need to re-pair when used again after successful pairing.

Turn off all receivers with one click

If you have many receivers, it is very time-consuming to turn them off one by one after the event, you just need to press and hold the transmitter "-" button for about 5 seconds, and all receivers on the same channel as the transmitter will be forced to turn off, improving work efficiency.

Comfortable listening experience

The wireless receiver comes with volume up and down buttons, and the volume range is from 0 to 9 levels, so listeners can adjust the volume according to their hearing condition and external environment. In addition, the receiver comes with 3.5mm D-type headphones that can be used by both left and right ears and can be used normally by visitors with poor hearing in one ear.

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Frequency Range 


Frequency Range 


Channels  49CH Channels  49CH
Working Voltage  DC 3.7V Working Voltage DC 3.7V

Output Power 


Earphone Jack

Mic /Aux input  3.5mm Frequency Response 50-18000Hz
Frequency Response


SNR 80dB(Typical)
SNR  80dB(Typical) RF spurious rejection ≥90dB
RF spurious rejection  ≥90dB  




<0.3% Operating Range 100m(line of sight)
Operating Range  100m(line of sight) Battery Capacity


Battery Capacity  4200mAh Battery Run Time About 20 hours typical
Battery Run Time  About 20 hours typical Weight 30g(without accessories)
Weight 120g(without accessories) Size 73*42*12mm
Size  103*61*25.8mm(without antenna)

TT123 Wireless Headset Microphone

Frequency Range

Audio sampling frequency 16kHz
Output Power 10 dB
Operating distance 50M (open field)
Working Current  35mA
Working voltage  DC 3.7V
Working time 8 H
Transmitter battery capacity 400mAh
Receiver battery capacity 400mAh
Weight body 81g(include battery)
TT006 Portable 64 Slot Charge Case


AC110-220V, 50/60Hz
Output DC 5V, 7A
Size 575 x290 x 140mm
Weight 4320g

Package Includes:

4 x transmitter

4x lavalier mic
60 x receiver
60x earpiece
64 x lanyard
64 x charging cable
1 x charging case
2 x wireless microphone

Q: We have 2 presenters, can I use 2 transmitters? Will both of their voices be heard by the receiver?
A: We are sorry to inform you that this T130S-T131S tour guide system does not support two transmitters working in a group. If you want the listener to hear both presenters, we recommend you check out our TT106 or TT105, which support two transmitters working together.

Q: Will there be a delay in the sound heard?
A: There is no delay in communication with this tour guide system, and listeners can receive audio in real-time.

Q: What is the warranty policy?
A: We offer a 2-year warranty on this product, if you have any questions, please email us at and we are at your service.

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