SX-808 Double Funktion wireless headphones: flat-response audio for conferences, interpretation and movie screenings
Headphones with flat, balanced, clean sound, designed for voice: conferences, simultaneous interpretation, language schools, theater and film.
With the Double Funktion system, the audio is split from the 3.5 mm jack output on the ear cup.
3Channelsblue, red and green LEDs
DoubleFunktion3.5 mm jack output
10 hBattery lifebuilt-in lithium battery
VoiceFlat-response audioclear and balanced
Clarity for voice, film and music
The SX-808 speakers produce flat, balanced, clean sound: voices stay intelligible and natural, which makes them the ideal choice for speeches, interpretation and spoken content.
- Double Funktion: the 3.5 mm jack output splits the signal to another headphone or allows wired listening.
- Understated design: small color LED indicators show the channel without distracting the room.
- Swivel, foldable ear cups: easier to store and transport.
- Comfort: soft ear cups for meetings and long sessions.
Three controls, zero hassle
01
Power on
Button on the back of the left ear cup: one move to turn on and off.
02
Pick a channel
Selector on the back of the right ear cup: the channel is shown in blue, red or green.
03
Adjust the volume
Volume wheel. With the mini-jack you can connect a cable or another headphone.
See the SX-808 in one minute
The video tutorial covers power on, channel selection, volume and audio sharing via mini-jack. The full transcript is below.
SX-808 spec sheet
| Parameter | Value |
|---|---|
| Model | Silentsystem SX-808 |
| Type | Professional RF wireless headphones for events |
| Technology | UHF / RF system, FM modulation |
| Channels | 3 |
| Frequency bands | 3-channel system: 863–865 MHz (details) |
| Sound signature | Flat, balanced, clean |
| S/N ratio | > 75 dB |
| Distortion (THD) | < 1% |
| Frequency response | 20 – 20,000 Hz |
| Channel separation | > 30 dB |
| Lights | RGB LED indicators |
| Controls | Power button, channel selector, volume wheel |
| Connections | 3.5 mm jack, Double Funktion |
| Design | Swivel, foldable ear cups, designed for meetings |
| Power | Built-in lithium battery |
| Battery life | About 10 hours |
They run on radio frequency: no internet or app needed.
Recommended uses
Compatible transmitters
The headphone for catching every word
- Flat, balanced audio: better intelligibility for voice, film and spoken content.
- 3 channels: multiple languages, silent cinema and small multichannel setups.
- Double Funktion: 3.5 mm jack output to split the signal or listen with a cable.
- Swivel ear cups: easy to store, transport and hand out.
- 10 hours of battery life: for conventions and long sessions.
SX-808 FAQ
Other Silentsystem headphones
SX-858
10 channels and Double Funktion® for more complex meetings and concerts.
SX-610
10 channels and 3.5 mm jack line in/out for meetings and SilentLab.
SX-839
HD over-ear audio, 3 to 60 channels and up to 14 hours of battery life.
All headphones
Compare channels, battery life and recommended use across every model.
