The TA003S/TA004S silent audio system is the desktop upgrade of the TA003/TA004 series. Its standout feature is a transmitter upgraded to 6 channels, supporting Bluetooth and XLR professional audio input. The upgraded headphones feature built‑in bass‑boost speakers for superior sound quality, along with a removable logo panel for easy custom branding.
Tired of gym noise clashing with your workout instructions? Wish your wellness class could offer personalized soundtracks without disturbing anyone? Overwhelmed by noise complaints from neighbors during silent discos?

The upgraded TA004S headphones feature enhanced bass sound, detachable logo panels for branding, more channels, foldable design, longer battery life, and dual displays showing both battery and channel. These improvements bring clearer audio, greater convenience, and a more professional appearance.
👇The TA003S desktop transmitter supports XLR connections for professional microphones and audio devices, perfect for fixed setups, meetings, and studio environments.
👇The TA003P handheld transmitter is compact and clip-on design, offering superior flexibility and portability for tours, on-site guidance, and mobile applications.
| Feature | Basic TA003 & TA004 | Upgraded TA003S & TA004S (Desktop) | Upgraded TA003P & TA004S (Handheld) |
| Transmitter Type | Desktop | Desktop (Upgraded) | Handheld (with back clip) |
| Best For | Fixed placement | ⬆️Fixed / Desktop operation | ⬆️Moving / Handheld / Active scenarios |
| Number of Channels | 3 | ⬆️6 (US) / 3 (EU) | ⬆️6 (US) / 3 (EU) |
| Sound Quality | Stereo | ⬆️Stereo + Bass Boost | ⬆️Stereo + Bass Boost |
| Logo Customization | Supported | ⬆️Supported (Removable logo panel) | ⬆️Supported (Removable logo panel) |
| Bluetooth | ❌ | ✅ | ✅ |
| Foldable Headphones | ❌ | ✅ Truly Foldable | ✅ Truly Foldable |
| Headphone Battery Life | 8H | ⬆️12H | ⬆️12H |
| Headphone Display | Single-digit (Channel only) | ⬆️Dual digital (Battery + Channel) | ⬆️Dual digital (Battery + Channel) |
| Transmitter Battery Life | 12H | 10H (High Power) / 20H (Low Power) | 12H (High Power) / 20H (Low Power) |
| Transmitter Power | DC 9V Adapter | Type-C | Type-C + Detachable battery |
| Headphone Charging Port | Type-C | Type-C | Type-C |
| Transmission Distance | High Power >300m | High Power >300m / Low Power >150m | 300–400m |
Meet the Retekess TA003S & TA004S silent sound system headphones. Built for fitness instructors, meditation guides, breathwork coaches, and wellness event organizers, it pairs a desktop transmitter with lightweight headphones to create a private sound environment for every participant.

Sound quality shapes every experience — from explosive workouts to healing sessions to dance parties.
The system delivers enhanced bass audio through speakers — warm and rich without being overpowering. By wirelessly connecting your phone via Bluetooth, you can stream high-energy playlists, calming soundscapes, or DJ mixes directly to the transmitter.

Connect via Bluetooth to play background music; the XLR interface allows connection of a professional microphone for real-time instructions. Two audio sources can be output simultaneously, so you can give instructions while background music plays.

Fitness instructors need to call out cues. Wellness coaches guide breathwork.
Simply plug your microphone (sold separately) into the transmitter. Your voice and music blend automatically. Walk around the room, move between participants — your voice stays clear and uninterrupted.

In any group setting, one soundtrack never fits everyone. Fitness members want different beats. Wellness participants prefer ambient sounds. Silent disco guests expect channel options.
The TA003S US version transmitter supports 6 independent channels(use with 6 transmitters). Each channel is clearly marked by six LED indicators. You can play different soothing music for each channel, allowing everyone to choose background music that suits their practice needs.Switch seamlessly. No dropouts. No distractions.
Heavy headphones ruin workouts, distract from relaxation, and kill the dance vibe.
The TA004S headphones are ultralight, featuring a padded adjustable headband and breathable leather ear cups. They truly fold — compact enough to toss in a backpack between classes or events. The over-ear design and noise isolation seal out external sound, turning any space into a private audio zone. Each headphone has its own volume control, so every participant dials in exactly what works for them.

The TA003S transmitter runs 12 hours on a full charge — enough for back-to-back classes or an all-night event. The TA004S headphones also deliver 12 hours of continuous listening.
The headphones feature a digital display showing both battery level .The Type-C port supports charging anytime.

One transmitter. Two power modes. Every space covered.
Low Power (100m / 328ft): Perfect for small studios, quiet zones, or indoor sessions
High Power (300m / 984ft): Covers expansive spaces — gym floors, wellness retreats, outdoor silent discos
Plus, a single transmitter supports unlimited headphones, making it effortless to scale your class.

The TA004S headphones feature a removable logo panel for easy customization. Add your studio or event logo, and your participants become walking ambassadors for your community.
More channels (6) – Perfect for multi-group teaching or simultaneous audio streams
Longer battery life – All-day retreats without worry
USB-C charging – One cable for everything, more convenient
Truly foldable headphones – Easier storage and travel
Digital display – See battery and channel at a glance, more intuitive
Bass boost – Richer, more immersive sound quality
👉 Still considering the basic version TA003&TA004? It's reliable and budget-friendly for simpler needs.
👉 TA003S&TA004S – for more freedom in teaching and a more professional experience.
Not sure if desktop TA003S&TA004S is right for you?
If you teach on the move — walking among students, leading outdoor sessions, or demonstrating poses — the handheld version TA003P&TA004S clips onto your waist and moves with you.
👉 Explore the handheld version TA003P&TA004S→
| KIT | Contents |
| 2TX+30RX | TA003S Transmitter × 2, TA004S Headphones × 30, Antenna × 2, 3.5 to RCA audio cable × 2, Type-C power adapter × 2, 2m 3.5 to 3.5 audio cable × 2, Type-C charging cable × 30, User Manual × 1 |
| 2TX+40RX | TA003S Transmitter × 2, TA004S Headphones × 40, Antenna × 2, 3.5 to RCA audio cable × 2, Type-C power adapter × 2, 2m 3.5 to 3.5 audio cable × 2, Type-C charging cable × 40, User Manual × 1 |
| 2TX+50RX | TA003S Transmitter × 2, TA004S Headphones × 50, Antenna × 2, 3.5 to RCA audio cable × 2, Type-C power adapter × 2, 2m 3.5 to 3.5 audio cable × 2, Type-C charging cable × 50, User Manual × 1 |
| TA003S Desktop Transmitter | Specification |
|---|---|
| Version | TA003 Upgraded Version |
| Form | Desktop |
| Bluetooth | Supported |
| Audio Interface | XLR, USB-C, 3.5mm, RCA Input |
| Number of Channels | 6 channels (US), 3 channels (EU) |
| Audio System | UHF/RF |
| Transmission Mode | FM |
| Frequency Range | 863MHz / 915MHz (customizable) |
| Transmit Power | High / Low |
| Transmission Distance | >300m (High), >150m (Low) |
| Sound Quality | Stereo |
| Battery Capacity | 2000mAh |
| Working Time | 10H (High Power), 20H (Low Power) |
| Charging Time | 6H |
| Power Supply | USB-C Adapter |
| Display | Digital display (battery & channel) |
| TA004S Headphone Receiver | Specification |
|---|---|
| Version | TA004 Upgraded Version |
| Form | Foldable Headphone |
| Frequency Response | 60~15000Hz |
| Transmission Mode | FM |
| Transmission Distance | 300m |
| Sound Quality | Stereo |
| Working Time | 12H |
| Charging Time | 3.5H |
| Display | Dual digital display (battery & channel) |
| Feature | Foldable, logo panel removable |
Q: What makes the upgraded model sound better?
A: The upgraded TA004S features large bass‑boost speakers,delivering richer bass, clearer highs, and a more immersive sound – perfect for sound healing, parties, or any music‑driven session.
Q: Which input offers better sound quality: AUX, microphone, or Bluetooth?
A: AUX provides the highest fidelity with no compression or latency. Bluetooth is convenient but may have slight latency and compression. Microphone input is for live voice only. For best results, use AUX for music and a wireless mic for instruction – the system mixes them automatically.
Q: How does the silent disco headphone system work?
A: Connect an audio source (phone, computer, tablet, media player, DJ mixer, etc.) to the transmitter via AUX, XLR,or Bluetooth. The transmitter sends audio wirelessly via radio frequency to rechargeable LED headphones. Users wear the headphones and can switch channels.
Q: What are the benefits of silent headphone system?
A: Immersive sound with enhanced bass, no ambient noise, no distractions. Perfect for yoga, meditation, fitness, parties, and outdoors—without disturbing others.
Q: Is it a complete kit? Do I need to buy extra cables or accessories?
A: Yes, our standard kit includes everything needed: headphones, transmitter(s), , microphone, power adapters, audio cables, and a quick start guide. No extra purchase needed. Plug and play.