

Coach in real time.
Train without interruption.
Live coach-to-athlete voice instruction for swimming, open water, surfing and professional water-sports training.
Watch T8 + W24T Work in Real Training
See how a coach sends live voice instructions to athletes wearing W24T receivers.

Built to lead large training groups
T8 uses professional walkie-talkie radio technology instead of underwater Bluetooth. Multiple coaches can run separate groups by assigning different channels, helping reduce cross-group confusion in busy facilities. Use push-to-talk for immediate instruction, or enable Voice Control so the clip-on microphone automatically starts transmitting when the coach speaks.
- 16 selectable channels
- Approximately 1W transmit power
- Removable 1800mAh battery
- Approximately 3 hours of use and 2 days standby
- Voice Control / VOX for hands-free coaching*
- Type-C external microphone and charging
- Approximately 2-hour charging time
- IP54 splash-resistant—never immerse
*Keep the microphone about 3–4 cm from the mouth. Voice Control transmission may start with an approximately 2-second delay.
Clear coaching voice in and around the water
W24T delivers the coach’s voice through dual bone conduction transducers while keeping the ear canal open. It starts in Receiver Mode after power-on and can switch between Receiver and Bluetooth modes with a double press. If a T8 transmission arrives during Bluetooth playback, the coach’s voice takes priority; W24T automatically returns to Bluetooth after the transmission ends.
- IPX8 waterproof to 3 m / 10 ft
- Up to approximately 500 m reception in open water*
- Compatible with matching standard walkie-talkies*
- Dual bone conduction transducers
- 600mAh rechargeable battery
- Approximately 4–8 hours at 80% volume
- Approximately 1.5-hour magnetic USB charging
- Three wearing options: headband, swim cap or goggle straps
- Bluetooth battery display on compatible phones
- No microphone and no Bluetooth calling

Professional instruction across water sports
Designed for coaches who need to communicate while athletes are moving, spread out or unable to stop for every correction.

Pool Swimming
Correct stroke, pacing, turns and technique during the set.

Open Water
Guide direction, pacing and safety across longer routes.

Surf Coaching
Deliver timely instruction without shouting over waves.

Kitesurfing
Communicate technique and safety cues across distance.

Snorkeling
Keep supervised surface-water groups connected.

Triathlon
Coach pacing, sighting and open-water technique.
T8 or T6—which system fits your training?
| Training need | T8 + W24T | T6 + W Series |
|---|---|---|
| Primary purpose | Professional live voice instruction | Phone audio, music and FM coaching |
| Technology | Walkie-talkie / UHF | FM transmission |
| Suitable range* | Up to approx. 500 m at W24T | Up to approx. 150 m open area |
| Channels | 16 | 16 |
| Best for | Teams, multiple groups, open water | Music, pacing tracks, smaller groups |
| Underwater two-way talk | No—one-way instruction | No—one-way instruction/audio |
*Maximum quoted ranges require suitable open, unobstructed conditions. Actual range varies with transmitter power, antenna, terrain, buildings, interference, athlete position and water conditions. Third-party walkie-talkies must match W24T’s actual frequency and CTCSS settings, not only the displayed channel number, and must comply with local radio regulations.
Professional hardware, clearly specified
T8 Transmitter
- Channels
- 16 selectable
- Transmit power
- Approx. 1W
- Battery
- Removable 1800mAh
- Use time
- Approx. 3 hours
- Standby
- Approx. 2 days
- Charging
- Type-C, approx. 2 hours
- Voice operation
- PTT + Voice Control
- Weight
- 170g
- Dimensions
- 119 × 57 × 34mm
- Protection
- IP54, do not immerse
W24T Receiver
- Modes
- Receiver + Bluetooth
- Default at power-on
- Receiver Mode
- Waterproof
- IPX8, 3m
- Receiving range
- Up to approx. 500m*
- Audio
- Dual bone conduction
- Battery
- 600mAh
- Use time
- Approx. 4–8h at 80%
- Weight
- 39g
- Dimensions
- 70 × 38 × 21mm
- Charging
- Magnetic USB, approx. 1.5h
- Microphone
- None
Everything needed to start coaching

T8 Package
- T8 transmitter
- Removable lithium battery pack
- Antenna
- Type-C external microphone
- Charging cable
- Lanyard and belt clip
- User manual

W24T Package
- W24T bone conduction receiver
- Magnetic charging cable
- Waterproof earplugs
- Silicone headband
- User manual
Setup and safety instructions in five languages
Download the latest T8 and W24T manuals in English, Deutsch, Français, Español or Italiano.
View & Download ManualsKnow before you train
Can athletes speak back to the coach?
No. T8 + W24T is a one-way coach-to-athlete communication system. W24T receives the coach’s voice and has no microphone.
Can one T8 communicate with several athletes?
Yes. Multiple W24T receivers set to the same T8 channel can receive the same transmission. Choose a multi-receiver kit or add W24T receivers as your team grows.
Can several coaches train different groups in one location?
Yes. Assign each T8 and its W24T group a different channel. There are 16 selectable channels available.
Can W24T work with another brand of walkie-talkie?
Yes. W24T can receive from compatible standard walkie-talkies when the actual operating frequency and CTCSS code match one of W24T’s fixed channel settings. Matching the displayed channel number alone is not sufficient because channel mappings can differ between brands. Receiving range varies with transmitter power, antenna, interference, terrain and water conditions. Always use frequencies permitted in your region.
How should T8 and W24T be maintained after training?
Rinse pool water and sweat from W24T with clean water, then wipe it dry. Make sure the magnetic contacts are completely dry before charging. Do not rinse or immerse T8; wipe it dry after use. For long-term storage, charge T8 at least once a week and W24T at least once every two weeks.
Does W24T work independently?
Yes. It can play Bluetooth audio above water or on land. W24T has no microphone and does not support Bluetooth calls. Bluetooth cannot transmit underwater, so use Receiver Mode with T8 during underwater training.
What happens during Bluetooth playback when the coach speaks?
A T8 transmission takes priority over Bluetooth playback. W24T temporarily disconnects Bluetooth, plays the coach’s instruction, and automatically returns to Bluetooth Mode after the transmission ends.
How does T8 Voice Control work?
Enable Voice Control to let the external microphone automatically trigger transmission when the coach speaks. Keep the microphone about 3–4 cm from the mouth. This mode may have an approximately 2-second start delay; use PTT when immediate transmission is preferred.
Which mode does W24T use after power-on?
W24T starts in Receiver Mode by default. Double-press the multifunction button to switch between Receiver Mode and Bluetooth Mode.
Can T8 + W24T stream Spotify underwater?
No. This system is optimized for coach voice communication. Choose a Tayogo T6 Swim Combo for phone music, Spotify, Audible or pacing audio during swimming.
How can athletes improve underwater clarity?
Wear the supplied waterproof earplugs to reduce water noise, and position the bone conduction transducers close to the ear area under the swim cap or goggle straps.
Build a communication system for your team.
Choose a ready-made package above. For larger clubs, swim schools, customized quantities or OEM requirements, contact Tayogo for support.
Request a Team Quote













1 + 1Basic Set
1 + 5Group Kit
1 + 10Team Pack
1 + 20Elite Team Pack









