- Crystal Clear Stereo Sound
- Rock-Solid Signal & Anti-Interference
- One-Touch Language Switching
- Interpreter-Friendly Dual Input
- Ultra-Lightweight & Focus-Oriented
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3-Year Warranty
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Description
Still losing your audience in translation? Stressed by static noise, complex setups, or delegates who can't find the right channel? When the world is watching, your message shouldn't get lost in the air.
Meet the Retekess TR508 & PR13 Interpretation Powerhouse. Built for high-stakes international summits, courtrooms, and houses of worship, this system pairs a broadcast-grade desktop transmitter with ultra-light pocket receivers. It doesn't just transmit audio—it delivers clarity, confidence, and a professional edge to every multilingual event.
5 Languages. 5 Buttons. Absolute Simplicity
In a high-pressure conference, your delegates shouldn't need a manual to hear the translation. The PR13 receiver features a dedicated 5-Key Direct Tuning Keypad.
The "One-Touch" Advantage: Assign English to Key 1, Spanish to Key 2, and so on. Listeners switch languages in half a second with a single press.
Zero Confusion: No manual scanning, no static-filled searches. Just instant, crystal-clear connection for every attendee, from tech-savvy pros to elderly congregants.
Broadcast-Grade Stability
A frequency drift during a keynote is a disaster. The TR508 transmitter is built like a tank with a Japanese BH1415 professional chip and PLL (Phase-Locked Loop) synthesis.
Rock-Solid Signal: With ±10PPM frequency stability, the signal stays locked exactly where you set it.
Pure Audio: A Signal-to-Noise Ratio (SNR) ≥65dB ensures the interpreter’s voice is warm, clear, and free of the annoying "hiss" that causes listener fatigue.
Dual-Channel Mixing: Your Voice, Your Soundtrack.
Professional presentations often require more than just a voice. The TR508 features independent volume controls for both Microphone and AUX Audio inputs.
Seamless Integration: Plug in your laptop for presentation audio and your interpreter’s headset at the same time.
Real-Time Mastery: Balance the background music and the spoken word perfectly in real-time, creating a polished, "broadcast-quality" experience that keeps your audience immersed.
40 Grams of Invisible Comfort
If a receiver is heavy, it’s a distraction. The PR13 pocket radio is so light (only 40g / 0.09lb) that delegates will forget they’re wearing it.
Focus on the Message: The compact, palm-sized design fits easily into a shirt pocket or hangs comfortably from the included lanyard.
Distraction-Free
The Lock Key prevents accidental channel changes, while the crisp LCD display and 24-hour clock keep delegates oriented. Each unit includes premium in-ear earphones for total noise isolation and focus.
Built for the Long Haul. Scalable for the Crowd
Whether you’re hosting 20 people in a boardroom or 200 in a cathedral, this system scales effortlessly.
Continuous Power: The TR508's aluminum alloy chassis is designed for heavy-duty heat dissipation, allowing it to run 24/7 without a glitch.
Zero-Downtime Energy: PR13 receivers run on 2x AAA batteries—no more waiting hours for specialized batteries to charge. Swap them in seconds and keep the event moving.
Asset Protection: Our large bundles include reinforced professional storage cases. Keep your gear organized, protected from impact, and ready to deploy in minutes.
The Versatile Bridge for Every Venue
One transmitter. Unlimited receivers. Total coverage.
The Boardroom: Discreet, low-interference audio for sensitive legal or corporate translations.
The Sanctuary: Assistive listening for the hearing impaired and real-time translation for diverse congregations.
The Great Outdoors: High-stability signal for drive-in events, guided tours, and festival-ground summits.
| KIT | Contents |
| 1 TX+10 RX | 1xTR508 FM Transmitter, 1x100~240VPower Supply, 1x 3.5mm Audio Cable, 1xTT123 Wireless Headset Microphone, 10 x PR13 Receiver, 10 x In-ear Stereo Earphone, 10 x Lanyard, 1 x User Manual |
| 1 TX+15 RX | 1xTR508 FM Transmitter, 1x100~240VPower Supply, 1x 3.5mm Audio Cable, 1xTT123 Wireless Headset Microphone, 15 x PR13 Receiver, 15 x In-ear Stereo Earphone, 15 x Lanyard, 1 x User Manual |
| 1 TX+20 RX | 1xTR508 FM Transmitter, 1x100~240VPower Supply, 1x 3.5mm Audio Cable, 1xTT123 Wireless Headset Microphone, 20 x PR13 Receiver, 20 x In-ear Stereo Earphone, 20 x Lanyard, 1 x User Manual |
| 2 TX+25 RX+1 Bag | 2xTR508 FM Transmitter, 2x100~240VPower Supply, 2x 3.5mm Audio Cable, 25 x PR13 Receivers, 2x TT123 Wireless Headset Microphone， 25x In-ear Stereo Earphone, 25 x Lanyard, 1 x User Manual, 1x Carrying bag |
| 2 TX+48 RX+1 Bag | 2xTR508 FM Transmitter, 2x100~240VPower Supply, 2x 3.5mm Audio Cable, 48 x PR13 Receivers, 2x TT123 Wireless Headset Microphone， 48x In-ear Stereo Earphone, 48 x Lanyard, 1 x User Manual, 1x Carrying bag |
| 2 TX + 25 RX + 1 Carrying case | 2xTR508 FM Transmitter, 2x100~240VPower Supply, 2x 3.5mm Audio Cable, 25 x PR13 Receivers, 2x TT123 Wireless Headset Microphone， 25x In-ear Stereo Earphone, 25 x Lanyard, 1 x User Manual, 1x Carrying case |
| 2 TX + 50 RX + 1 Carrying case | 2xTR508 FM Transmitter, 2x100~240VPower Supply, 2x 3.5mm Audio Cable, 50 x PR13 Receivers, 2x TT123 Wireless Headset Microphone， 50x In-ear Stereo Earphone, 50 x Lanyard, 1 x User Manual, 1x Carrying case |
| 3 TX + 96 RX + 2 Bag | 3xTR508 FM Transmitter, 3x100~240VPower Supply, 3x 3.5mm Audio Cable, 96 x PR13 Receivers, 3x TT123 Wireless Headset Microphone， 96x In-ear Stereo Earphone, 96 x Lanyard, 1 x User Manual, 2x Carrying bag |
| 3 TX + 144 RX + 3 Bag | 3xTR508 FM Transmitter, 3x100~240VPower Supply, 3x 3.5mm Audio Cable, 144 x PR13 Receivers, 3x TT123 Wireless Headset Microphone， 144x In-ear Stereo Earphone, 144 x Lanyard, 1 x User Manual, 3x Carrying bag |
| 3 TX + 192 RX + 4 Bag | 3xTR508 FM Transmitter, 3x100~240VPower Supply, 3x 3.5mm Audio Cable, 192 x PR13 Receivers, 3x TT123 Wireless Headset Microphone， 192x In-ear Stereo Earphone, 192 x Lanyard, 1 x User Manual, 4x Carrying bag |
| 3 TX + 100 RX + 2 Carrying case | 3xTR508 FM Transmitter, 3x100~240VPower Supply, 3x 3.5mm Audio Cable, 100 x PR13 Receivers, 3x TT123 Wireless Headset Microphone， 100x In-ear Stereo Earphone, 100 x Lanyard, 1 x User Manual, 2x Carrying case |
| 3 TX + 150 RX + 3 Carrying case | 3xTR508 FM Transmitter, 3x100~240VPower Supply, 3x 3.5mm Audio Cable, 150 x PR13 Receivers, 3x TT123 Wireless Headset Microphone， 150x In-ear Stereo Earphone, 150 x Lanyard, 1 x User Manual, 3x Carrying case |
| 3 TX + 200 RX + 4 Carrying case | 3xTR508 FM Transmitter, 3x100~240VPower Supply, 3x 3.5mm Audio Cable, 200 x PR13 Receivers, 3x TT123 Wireless Headset Microphone， 200x In-ear Stereo Earphone, 200 x Lanyard, 1 x User Manual, 4x Carrying case |
TR508 FM Transmitter Specification:
Working: voltage11~13V DC (Rated voltage 12 v)
Working current<300mA
Frequency stability:±10PPM
Frequency Step:100KHZ
The operating temperature of the environment -10℃~50℃
output impedance: 50Ω
Harmonic and noise radiation: ≤－60dB
Audio distortion: <0.30%
Frequency response: 20HZ~15000HZ
Preemphasis delay: 50us
degree of separation:≥40 dB
input level:≤-10 dBV
Modulation frequency deviation: ±75KHZ
SNR(Signal to Noise Ratio)≥65 dB
Machine Size:113mm;W:88mm;H:39mm
Machine weight: 269g
PR13 Portable FM Radio Receivers Specification:
Sensitivity:<3.5uV
Signal to noise ratio: 45db
Stereo separation: 32dB
Power supply: 2 x AAA batteries (not included)
Earphone jack: 3.5mm
Tuning increase: 0.1MHz
Built-in speaker: No
Dimension:3.6 x 2.1x 0.6in
Weight: 40g / 0.09lb
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