Wireless headphones · SX-553 Evolution HiFi

SX-553 Evolution HiFi wireless headphones: 5 channels and big LEDs visible from afar

Clean, rich HiFi sound, big LED lights on both ear cups, and controls stripped down to the essentials: one button to power on and switch channels, one lever for volume.

For concerts, parties, festivals, conferences, cinemas, and theaters.

5Channelsshown by the ear cup LEDs

LEDBig lightsvisible even from afar

1Buttonpower and channel switching

JackMini-jackwired listening too

The sound

Crystal-clear HiFi, comfortable for hours

The Evolution HiFi system delivers flat, clean, and immersive sound, great for both music and speech.

  • Big LEDs on both ear cups: you can see from afar which channel each person is listening to.
  • LEDs can be switched off by pressing the volume lever, handy in cinemas and theaters.
  • Comfort: swiveling ear cups in soft faux leather, for hours of listening.
  • Mini-jack on the left ear cup for a direct wired connection.
Silentsystem SX-553 Wireless Headphones
How to use

One button, one lever

01

Power on

The button on the back of the right ear cup turns the headphones on and off.

02

Pick a channel

The same button switches between channels, and the ear-cup LEDs change color.

03

Adjust the volume

Use the volume lever; press it to turn off the LED lights when the room needs to stay dark.

Video

See the SX-553 in one minute

The video tutorial covers power on, channel switching, volume, turning off the LEDs and wired connection. The full transcript is below.

Introduction. The 5-channel Silentsystem SX-553 V2 HiFi headphones combine elegance, comfort and superior audio quality for versatile use in professional and entertainment settings.

Power and channel selection. The button on the back of the right ear cup turns the headphones on and off; the same button selects the five receiving channels, shown by the LED lights on the ear cups.

Volume and LED control. Volume is adjusted with the potentiometer lever; pressing the same lever turns off the LED lights on the ear cups.

Wired connection. The mini-jack input on the left ear cup allows a direct wired connection.

Applications. Concerts and recording studios, conferences and conventions, festivals and clubs, movie theaters and theaters.

Conclusion. HiFi audio quality, multichannel control and ease of use make the SX-553 a reliable professional solution for events and advanced audio applications.

Specs

SX-553 Evolution HiFi spec sheet

Parameter Value
Model Silentsystem SX-553 Evolution HiFi (V2)
Type Professional RF wireless headphones for events
Technology UHF / RF system, FM modulation
Channels 5
Speakers HiFi
S/N ratio > 75 dB
Distortion (THD) < 1%
Frequency response 20 – 20,000 Hz
Channel separation > 30 dB
Lights Large RGB LEDs, can be switched off
Controls Power/channel button, volume lever
Wired input Mini-jack on the left ear cup
Design Swivel ear cups in faux leather
Power Built-in lithium battery

They run on radio frequency: no internet or app needed.

Recommended uses

Compatible transmitters

Why choose them

Simple to use, easy to spot

  • Evolution HiFi audio: clean and detailed for music, voice and spoken content.
  • 5 channels: multiple DJs, languages or programs at the same event.
  • Large LEDs you can switch off: visible on the dance floor, discreet in the room.
  • One button and one lever: nothing to explain to your audience.
  • Mini-jack: wired listening when you need it.
Silentsystem SX-553 RF headphones with LEDs
FAQ

SX-553 FAQ

Five channels, selected with the button on the right ear cup and shown by the LED color.

Yes, just press the volume lever. It’s useful in movie theaters, theaters and any setting where the room needs to stay dark.

Yes, they have a mini-jack input on the left ear cup for a direct connection.

With the Silentsystem TX-350 and TX-400 transmitters, which run on 3 or 5 channels.

No. The SX-553 receives audio via radio frequency: no internet, app or Bluetooth needed.
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