
The Retekess TT119 desktop transmitter, paired with wireless receivers, provides a reliable simultaneous interpretation system for venues that require clear, well-managed multilingual audio. It is ideal for conference rooms, churches, courtrooms, auditoriums, and other formal event settings.
Compared with bodypack transmitters, the desktop design is better suited for fixed interpreter stations and structured installations. It allows interpreters to transmit audio clearly, while attendees can select their preferred language channel and listen in real time.
With stable long-range coverage, flexible channel management, and professional AV connectivity, this system is a practical choice for organizations seeking dependable simultaneous interpretation equipment for recurring events.

1. Connect the speaker's audio source to the TT119 via XLR or AUX input.
2. The interpreter monitors the original speech through headphones connected to the TT119.
3. The interpreter speaks into the microphone, and the TT119 broadcasts the translated audio on a selected channel.
4. Additional interpreters can use separate TT119 transmitters to provide other language channels simultaneously.
5. Attendees select their preferred channel and listen to the interpretation in real time using TT118 devices.
6. You can choose whether the original floor audio is monitored only by interpreters or shared with attendees, providing greater flexibility for different event setups.

For multilingual events, clear channel management helps reduce confusion for both interpreters and attendees. This system offers 17 selectable channels and supports up to 6 language groups simultaneously, making it easier to organize different language feeds in the same venue. One TT119 transmitter can also work with an unlimited number of TT118 receivers, so the system can scale easily as your audience grows. The system is also designed for easier integration with existing 72–76 MHz FM interpretation setups. For example, TT118 receivers can be used in systems that include compatible transmitters such as the Williams Sound PPA T35, T27, T32, and T36, helping reduce replacement costs during upgrades or expansion.
Up to 120 m(394 ft) Long Transmission RangeLarge rooms and complex layouts often create weak signal areas and uneven listening quality. The TT119 transmitter can broadcast voice, music, or other audio up to 120 m(394 ft) in open, unobstructed environments at high power, giving your event wider and more dependable coverage. Because FM signals can pass through walls and common obstacles without requiring a direct line of sight, the system helps maintain clear interpretation across larger indoor spaces and complex venue layouts. This makes it a practical choice for conference spaces, worship environments, and other venues that need reliable audio distribution.

Many venues need interpretation equipment that fits smoothly into existing sound infrastructure. The TT119 supports XLR, AUX, RCA, and USB audio input, making it easier to connect microphones, podium audio, mixers, background music, or other AV sources. The XLR input also supports multiple input modes for better compatibility with professional audio sources, helping the system integrate more naturally into established setups.

If translated speech sounds flat or unclear, listeners lose focus quickly. The system supports stereo transmission with strong sound restoration for clearer, fuller, and more natural audio. This helps attendees follow spoken interpretation more comfortably during long sessions. To suit different user preferences, TT118 receivers can be used with both Single-ear headphone and Dual-ear headphones, making them suitable for a variety of listening preferences and event formats.

The TT119 supports instant microphone mute, allowing interpreters to pause briefly when needed for drinking water, coughing, or other interruptions. The mute function is available even when the keypad is locked, helping maintain clean and professional audio throughout the session.

When monitoring the floor audio through the headphone output, users can switch between INT and EXT modes. In INT mode, the original input audio is heard only by the interpreter. In EXT mode, the same source audio can also be transmitted to receivers, giving more flexibility for bilingual attendees, staff, or support teams.

The TT119 supports USB audio playback for background music or other stored audio content. When a USB drive is connected, users can control playback directly from the front panel, including play and pause functions, making it easier to manage supporting audio during meetings, training sessions, and multilingual events.

Long sessions and full-day events can quickly expose the limits of built-in rechargeable devices. The TT118 receiver runs on replaceable AA batteries and can work for up to 10 hours, helping reduce charging downtime and making power management easier on site. When batteries run low, staff can simply swap in a fresh pair and keep the event moving without waiting for devices to recharge.
For meetings, training sessions, legal interpretation, and worship events, keeping an audio record can be important for review and documentation. The TT119 can record the transmitted audio directly to a USB drive or output it through the REC OUT port for external recording equipment, giving users a practical way to archive interpretation content for later use.
To help prevent accidental changes during use, TT119 automatically locks after a period of inactivity, while still allowing quick microphone mute access when needed. This helps keep important settings stable throughout the session.
The transmitter can retain key settings after power interruption, helping simplify repeat setup in venues that use the system regularly. This supports faster preparation and a more consistent operating process from one event to the next.

In busy venues, outside distractions make translated audio harder to follow. The included Dual-ear headphones help listeners stay focused by improving comfort and reducing surrounding noise. Foam padding supports longer wear, and the adjustable extra-wide headband fits a wide range of users right out of the box. They are especially practical in worship and conference settings where clear listening matters.
This system is designed for structured multilingual communication in formal environments where stable audio and organized language delivery matter. It is well suited for church worship, corporate conferences, community programs, NGO forums, and schools or universities. With its desktop transmitter design, clear channel management, and professional audio connectivity, it is a practical choice for venues that need dependable simultaneous interpretation in fixed or semi-fixed event settings.
| Features | TT117 TT118 | TT118 TT119 | T130T T131T |
|---|---|---|---|
| Interpreter Required | Yes | Yes | Yes |
| Languages / Channels Supported | 6 | 6 | 7-12 |
| Monitor | No | Yes | Yes |
| TX Type | Handheld | Table-top | Table-top |
| RX Type | Handheld | Handheld | Handheld |
| Channels | 17 | 17 | EU: 19 / US: 50 |
| Range | 80 m (262 ft) | 120 m (394 ft) | 250 m (820 ft) |
| Frequency | 72–76 MHz FM | 72–76 MHz FM | UHF |
| Multi-System Operation | No | No | T131U / T131R |
| Noise Reduction | Yes | Yes | Yes |
| Two-way Talk | No | No | No |
| Battery Life (TX / RX) | 8 h / 10 h | Unlimited / 10 h | Unlimited / 40 h |
| Power Source | Replaceable AA battery-operated transmitter and receivers | 100-240V AC powered transmitter and battery-operated receivers | DC 5V/2.0A-powered transmitter and lithium battery-powered receivers. MIC: Replaceable AA battery |
| Best Use Cases | Budget-conscious / Small-to-medium meetings, churches, schools, and community events | Fixed-venue meetings / Large conferences, churches, courtrooms, seminars | Fixed-venue meetings / Large conferences, churches, courtrooms, seminars |
| Features | T130P | TT116 | TT106S |
|---|---|---|---|
| Interpreter Required | Yes | Yes | Yes |
| Languages / Channels Supported | 7 | 4-8 | 3 |
| Monitor | No | No | No |
| TX Type | Handheld | Handheld | Handheld |
| RX Type | Handheld | Handheld | Earhook |
| Channels | 49 | 50 | — |
| Range | 160 m (525 ft) | 200 m (656 ft) | 200 m (656 ft) |
| Frequency | 195–216 MHz | UHF | 2.4–2.485 GHz |
| Multi-System Operation | No | No | No |
| Noise Reduction | Yes | Yes | Yes |
| Two-way Talk | No | No | No |
| Battery Life (TX / RX) | 20 h / 36 h | 10 h / 13 h | 23 h / 50 h |
| Power Source | Lithium Battery | Replaceable BL-5C battery | Lithium Battery |
| Best Use Cases | Fully mobile / Multi-site events, churches, schools, and community events | Replaceable batteries for extended use / Churches, schools, and community events | Extremely lightweight receiver needed / Churches, schools, and community events |
| Features | TT136 |
|---|---|
| Interpreter Required | No |
| Languages / Channels Supported | 120+ languages |
| Monitor | No |
| TX Type | Handheld |
| RX Type | Earhook |
| Channels | 120+ |
| Range | 200 m (656 ft) |
| Frequency | FHSS 2.4G |
| Multi-System Operation | No |
| Noise Reduction | Yes |
| Two-way Talk | Yes |
| Battery Life (TX / RX) | 20 h / 13 h |
| Power Source | Lithium Battery |
| Best Use Cases | No interpreter + International factory tours, multilingual tours, schools, business receptions |
Choose a package based on your audience size and venue, or contact us for a custom solution.
| KIT 1 | 3 Transmitters + 100 Receivers + 100 Headphones + 2 Carrying Bags |
| Transmitter*3, Receiver*100, Power adapter*3, Headset microphone*3, Single-ear headphone*100, Dual-ear headphones*100, Lanyard*100, 50-Slot carry bag*2, User manual*3 | |
| KIT 2 | 3 Transmitters + 150 Receivers + 150 Headphones + 3 Carrying Cases |
| Transmitter*3, Receiver*150, Power adapter*3, Headset microphone*3, Single-ear headphone*150, Dual-ear headphones*150, Lanyard*150, 50-Slot carry bag*3, User manual*3 | |
| KIT 3 | 3 Transmitters + 200 Receivers + 200 Headphones + 4 Carrying Cases |
| Transmitter*3, Receiver*200, Power adapter*3, Headset microphone*3, Single-ear headphone*200, Dual-ear headphones*200, Lanyard*200, 50-Slot carry bag*4, User manual*3 |
Customized SolutionsRetekess offers tailored interpretation solutions based on venue type, audience size, and language needs, with free demos available on request.
Fast ResponseRetekess offers prompt support for product selection, project planning, and order coordination to keep your purchase process efficient.
Technical SupportWith 18 years of R&D experience, Retekess provides professional technical support and 1-on-1 expert assistance.
Reliable After-Sales ServiceRetekess offers reliable after-sales service with a 30-day free trial and 3-year warranty for added peace of mind.


































The Retekess TT119 desktop transmitter, paired with wireless receivers, provides a reliable simultaneous interpretation system for venues that require clear, well-managed multilingual audio. It is ideal for conference rooms, churches, courtrooms, auditoriums, and other formal event settings.
Compared with bodypack transmitters, the desktop design is better suited for fixed interpreter stations and structured installations. It allows interpreters to transmit audio clearly, while attendees can select their preferred language channel and listen in real time.
With stable long-range coverage, flexible channel management, and professional AV connectivity, this system is a practical choice for organizations seeking dependable simultaneous interpretation equipment for recurring events.

1. Connect the speaker's audio source to the TT119 via XLR or AUX input.
2. The interpreter monitors the original speech through headphones connected to the TT119.
3. The interpreter speaks into the microphone, and the TT119 broadcasts the translated audio on a selected channel.
4. Additional interpreters can use separate TT119 transmitters to provide other language channels simultaneously.
5. Attendees select their preferred channel and listen to the interpretation in real time using TT118 devices.
6. You can choose whether the original floor audio is monitored only by interpreters or shared with attendees, providing greater flexibility for different event setups.

For multilingual events, clear channel management helps reduce confusion for both interpreters and attendees. This system offers 17 selectable channels and supports up to 6 language groups simultaneously, making it easier to organize different language feeds in the same venue. One TT119 transmitter can also work with an unlimited number of TT118 receivers, so the system can scale easily as your audience grows. The system is also designed for easier integration with existing 72–76 MHz FM interpretation setups. For example, TT118 receivers can be used in systems that include compatible transmitters such as the Williams Sound PPA T35, T27, T32, and T36, helping reduce replacement costs during upgrades or expansion.
Up to 120 m(394 ft) Long Transmission RangeLarge rooms and complex layouts often create weak signal areas and uneven listening quality. The TT119 transmitter can broadcast voice, music, or other audio up to 120 m(394 ft) in open, unobstructed environments at high power, giving your event wider and more dependable coverage. Because FM signals can pass through walls and common obstacles without requiring a direct line of sight, the system helps maintain clear interpretation across larger indoor spaces and complex venue layouts. This makes it a practical choice for conference spaces, worship environments, and other venues that need reliable audio distribution.

Many venues need interpretation equipment that fits smoothly into existing sound infrastructure. The TT119 supports XLR, AUX, RCA, and USB audio input, making it easier to connect microphones, podium audio, mixers, background music, or other AV sources. The XLR input also supports multiple input modes for better compatibility with professional audio sources, helping the system integrate more naturally into established setups.

If translated speech sounds flat or unclear, listeners lose focus quickly. The system supports stereo transmission with strong sound restoration for clearer, fuller, and more natural audio. This helps attendees follow spoken interpretation more comfortably during long sessions. To suit different user preferences, TT118 receivers can be used with both Single-ear headphone and Dual-ear headphones, making them suitable for a variety of listening preferences and event formats.

The TT119 supports instant microphone mute, allowing interpreters to pause briefly when needed for drinking water, coughing, or other interruptions. The mute function is available even when the keypad is locked, helping maintain clean and professional audio throughout the session.

When monitoring the floor audio through the headphone output, users can switch between INT and EXT modes. In INT mode, the original input audio is heard only by the interpreter. In EXT mode, the same source audio can also be transmitted to receivers, giving more flexibility for bilingual attendees, staff, or support teams.

The TT119 supports USB audio playback for background music or other stored audio content. When a USB drive is connected, users can control playback directly from the front panel, including play and pause functions, making it easier to manage supporting audio during meetings, training sessions, and multilingual events.

Long sessions and full-day events can quickly expose the limits of built-in rechargeable devices. The TT118 receiver runs on replaceable AA batteries and can work for up to 10 hours, helping reduce charging downtime and making power management easier on site. When batteries run low, staff can simply swap in a fresh pair and keep the event moving without waiting for devices to recharge.
For meetings, training sessions, legal interpretation, and worship events, keeping an audio record can be important for review and documentation. The TT119 can record the transmitted audio directly to a USB drive or output it through the REC OUT port for external recording equipment, giving users a practical way to archive interpretation content for later use.
To help prevent accidental changes during use, TT119 automatically locks after a period of inactivity, while still allowing quick microphone mute access when needed. This helps keep important settings stable throughout the session.
The transmitter can retain key settings after power interruption, helping simplify repeat setup in venues that use the system regularly. This supports faster preparation and a more consistent operating process from one event to the next.

In busy venues, outside distractions make translated audio harder to follow. The included Dual-ear headphones help listeners stay focused by improving comfort and reducing surrounding noise. Foam padding supports longer wear, and the adjustable extra-wide headband fits a wide range of users right out of the box. They are especially practical in worship and conference settings where clear listening matters.
This system is designed for structured multilingual communication in formal environments where stable audio and organized language delivery matter. It is well suited for church worship, corporate conferences, community programs, NGO forums, and schools or universities. With its desktop transmitter design, clear channel management, and professional audio connectivity, it is a practical choice for venues that need dependable simultaneous interpretation in fixed or semi-fixed event settings.
| Features | TT117 TT118 | TT118 TT119 | T130T T131T |
|---|---|---|---|
| Interpreter Required | Yes | Yes | Yes |
| Languages / Channels Supported | 6 | 6 | 7-12 |
| Monitor | No | Yes | Yes |
| TX Type | Handheld | Table-top | Table-top |
| RX Type | Handheld | Handheld | Handheld |
| Channels | 17 | 17 | EU: 19 / US: 50 |
| Range | 80 m (262 ft) | 120 m (394 ft) | 250 m (820 ft) |
| Frequency | 72–76 MHz FM | 72–76 MHz FM | UHF |
| Multi-System Operation | No | No | T131U / T131R |
| Noise Reduction | Yes | Yes | Yes |
| Two-way Talk | No | No | No |
| Battery Life (TX / RX) | 8 h / 10 h | Unlimited / 10 h | Unlimited / 40 h |
| Power Source | Replaceable AA battery-operated transmitter and receivers | 100-240V AC powered transmitter and battery-operated receivers | DC 5V/2.0A-powered transmitter and lithium battery-powered receivers. MIC: Replaceable AA battery |
| Best Use Cases | Budget-conscious / Small-to-medium meetings, churches, schools, and community events | Fixed-venue meetings / Large conferences, churches, courtrooms, seminars | Fixed-venue meetings / Large conferences, churches, courtrooms, seminars |
| Features | T130P | TT116 | TT106S |
|---|---|---|---|
| Interpreter Required | Yes | Yes | Yes |
| Languages / Channels Supported | 7 | 4-8 | 3 |
| Monitor | No | No | No |
| TX Type | Handheld | Handheld | Handheld |
| RX Type | Handheld | Handheld | Earhook |
| Channels | 49 | 50 | — |
| Range | 160 m (525 ft) | 200 m (656 ft) | 200 m (656 ft) |
| Frequency | 195–216 MHz | UHF | 2.4–2.485 GHz |
| Multi-System Operation | No | No | No |
| Noise Reduction | Yes | Yes | Yes |
| Two-way Talk | No | No | No |
| Battery Life (TX / RX) | 20 h / 36 h | 10 h / 13 h | 23 h / 50 h |
| Power Source | Lithium Battery | Replaceable BL-5C battery | Lithium Battery |
| Best Use Cases | Fully mobile / Multi-site events, churches, schools, and community events | Replaceable batteries for extended use / Churches, schools, and community events | Extremely lightweight receiver needed / Churches, schools, and community events |
| Features | TT136 |
|---|---|
| Interpreter Required | No |
| Languages / Channels Supported | 120+ languages |
| Monitor | No |
| TX Type | Handheld |
| RX Type | Earhook |
| Channels | 120+ |
| Range | 200 m (656 ft) |
| Frequency | FHSS 2.4G |
| Multi-System Operation | No |
| Noise Reduction | Yes |
| Two-way Talk | Yes |
| Battery Life (TX / RX) | 20 h / 13 h |
| Power Source | Lithium Battery |
| Best Use Cases | No interpreter + International factory tours, multilingual tours, schools, business receptions |
Choose a package based on your audience size and venue, or contact us for a custom solution.
| KIT 1 | 3 Transmitters + 100 Receivers + 100 Headphones + 2 Carrying Bags |
| Transmitter*3, Receiver*100, Power adapter*3, Headset microphone*3, Single-ear headphone*100, Dual-ear headphones*100, Lanyard*100, 50-Slot carry bag*2, User manual*3 | |
| KIT 2 | 3 Transmitters + 150 Receivers + 150 Headphones + 3 Carrying Cases |
| Transmitter*3, Receiver*150, Power adapter*3, Headset microphone*3, Single-ear headphone*150, Dual-ear headphones*150, Lanyard*150, 50-Slot carry bag*3, User manual*3 | |
| KIT 3 | 3 Transmitters + 200 Receivers + 200 Headphones + 4 Carrying Cases |
| Transmitter*3, Receiver*200, Power adapter*3, Headset microphone*3, Single-ear headphone*200, Dual-ear headphones*200, Lanyard*200, 50-Slot carry bag*4, User manual*3 |
Customized SolutionsRetekess offers tailored interpretation solutions based on venue type, audience size, and language needs, with free demos available on request.
Fast ResponseRetekess offers prompt support for product selection, project planning, and order coordination to keep your purchase process efficient.
Technical SupportWith 18 years of R&D experience, Retekess provides professional technical support and 1-on-1 expert assistance.
Reliable After-Sales ServiceRetekess offers reliable after-sales service with a 30-day free trial and 3-year warranty for added peace of mind.


































| TT119 Transmitter | |
|---|---|
| Size | 173x154x58mm (6.81 x 6.06 x 2.28 in) |
| Weight of main unit | 1030g |
| Operating temperature | -20~+40 degree Celsius |
| Frequency | 72~76MHz |
| Number of channels | 17 |
| Operating Voltage | 12V |
| Power supply | 100-240V AC |
| Signal-to-noise ratio | >60dB |
| Radiation Spurious | ≤-60dB |
| Channel spacing | 100KHz |
| Stereo separation | 1KHz>35dB |
| Input audio | XLR, AUX, RCA, U disk MIC |
| Transmission distance | 120 m(394 ft) |
| Distortion | ≤0.2% |
| Storage function | power failure storage function |
| Recording function | U disk recording can be realized |
| MIC input | one way MIC, automatic gain control |
| TT118 Receiver | |
|---|---|
| Frequency range | 72-76MHz |
| Channel | 17 channels |
| Power supply | 2 AA batteries |
| Working hours | 10 hours |
| Working voltage | 3V |
| Working range | 80 meters |
| Size | 53x93.5x20mm (2.09 x 3.68 x 0.79 in) |
| Weight | 188g |
| TT017 50 SLOT CARRY CASE | |
|---|---|
| Model | TT017 50 Slot Carry Case |
| Material | Nylon cloth wrapped with EVA |
| Size | 370×340×110mm / 14.56 × 13.38 × 4.33 inch |
| Weight | 1890g |
| TT119 Transmitter | |
|---|---|
| Size | 173x154x58mm (6.81 x 6.06 x 2.28 in) |
| Weight of main unit | 1030g |
| Operating temperature | -20~+40 degree Celsius |
| Frequency | 72~76MHz |
| Number of channels | 17 |
| Operating Voltage | 12V |
| Power supply | 100-240V AC |
| Signal-to-noise ratio | >60dB |
| Radiation Spurious | ≤-60dB |
| Channel spacing | 100KHz |
| Stereo separation | 1KHz>35dB |
| Input audio | XLR, AUX, RCA, U disk MIC |
| Transmission distance | 300 meters (984.25 ft) (High-power mode, open-air environment) |
| Distortion | ≤0.2% |
| Storage function | power failure storage function |
| Recording function | U disk recording can be realized |
| MIC input | one way MIC, automatic gain control |
| TT118 Receiver | |
|---|---|
| Frequency range | 72-76MHz |
| Channel | 17 channels |
| Power supply | 2 AA batteries |
| Working hours | 10 hours |
| Working voltage | 3V |
| Working range | 80 meters |
| Size | 53x93.5x20mm (2.09 x 3.68 x 0.79 in) |
| Weight | 188g |
| TT017 50 SLOT CARRY CASE | |
|---|---|
| Model | TT017 50 Slot Carry Case |
| Material | Nylon cloth wrapped with EVA |
| Size | 370×340×110mm / 14.56 × 13.38 × 4.33 inch |
| Weight | 1890g |
Q: What kinds of venues is this system best for?
A: It’s a great fit for conference rooms, churches, courtrooms, auditoriums, training centers, and other formal venues that need clear, reliable simultaneous interpretation.
Q: Can it support multilingual events?
A: Yes. The system provides 17 selectable channels in the 72–76 MHz band and can handle up to 6 languages at the same time. Each language can be assigned to a different channel, so attendees simply choose the channel they want on their receiver.
Q: Is it easy to scale for larger audiences?
A: Yes. One transmitter can work with an unlimited number of compatible receivers within the coverage area. If attendance increases, you can expand the system easily by adding more receivers.
Q: Will it work well in large rooms or more complex indoor layouts?
A: Yes. It offers a transmission range of up to 300 m / 984 ft in open areas. Because it uses FM transmission, the signal can pass through common walls and obstacles better than systems that rely only on line-of-sight. That makes it a practical option for larger indoor spaces and more complicated room layouts.
Q: What audio sources can I connect?
A: The system supports XLR, AUX, RCA, USB, and microphone input. That means it can connect easily to mixers, podium audio, conference systems, laptops, and other common audio sources used in professional venues.
Q: Can the interpreter monitor the original audio directly?
A: Yes. The interpreter can listen to the source audio through headphones directly from the transmitter, without needing a separate receiver. This makes setup simpler and monitoring more convenient during live interpretation.
Q: Can I choose whether listeners hear the floor audio or only the interpreted audio?
A: Yes. The system supports both INT and EXT modes, giving you more flexibility depending on the event setup. This is especially useful for bilingual and multilingual meetings where floor audio routing needs to be managed differently.
Q: Are the receivers suitable for long sessions or full-day events?
A: Yes. The receivers can run for up to about 10 hours and use replaceable AA batteries. For longer sessions, batteries can be swapped quickly on site, which is helpful for full-day events and back-to-back meetings.
Q: How does the simultaneous interpretation system work?
A: The transmitter acts as the core of the system. Original speech audio can be connected through XLR, AUX, RCA, USB, or microphone input. The interpreter listens to the source audio, speaks the translation into the microphone, and the translated audio is then sent wirelessly to attendees’ receivers in real time. Listeners just select their preferred language channel and start listening.