Silentsystem
15 SX553 V2 HiFi Ref. Headphones + TX350
SILENTSYSTEM KIT INCLUDES:
- 15 SX553 V2 HiFi headphones - Refurbished / Ex-Demo
- 01 TX350 transmitter
- 01 Charging station with 3 USB ports
- 03 USB-C charging cable with 5 pins
SYSTEM CONDITION:
Headphones: refurbished / ex-demo
Transmitters: new
Charger: new
SILENTSYSTEM | Keep The Frequency
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Warranty
Consumers: 24 months with Swap Repair option included in the price.
Businesses: 12 months with Swap Repair option included in the price.
Note: refurbished products carry a 12-month warranty for both consumers and businesses.
Silentsystem Audio
Faithful audio. Total comfort.
SX-553 V2 HiFi headphones combine high-performance sound with a design made for professional use. Over-ear cups give isolation and comfort, while balanced drivers deliver defined, immersive listening. Designed for DJs, creatives, installations and events, they are the right choice for those who want the best, without compromise.
Dynamic Sound
The SX-553 deliver energetic yet balanced sound, with controlled response across all frequencies. Ideal for live music, speech, sound design and immersive environments.
Made for every setting
From studio to stage, the SX-553 adapt naturally to any environment. Tough, reliable and carefully detailed, they are designed for heavy, continuous use.
Technical Comfort
Over-ear cups surround the listener without squeezing. The ergonomics give stability, breathability and lightness even after hours of use.
Stability and Performance
RF transmission is designed for complex environments: always-stable signal, zero interference, consistent quality even with dozens or hundreds of headphones in use.
SX-553 Headphones
TX-350 Transmitter
SX-553 RF Headphones
High-performance comfort
Sturdy, enveloping and optimised for immersive listening: the SX-553 deliver quality and reliability in every setting. Over-ear cups give natural isolation and stability, while balanced audio supports long sessions without fatigue. Comfort and performance, without compromise.
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UHF/RF system
FM modulation
RGB LED lights
S/N >75dB
THD <1%
40mm Mylar speakers
Channels: 5 (863mhz)
RF 30~20000Hz
Channel sep. >30dB
10 hours battery life
✾ ✾ ✾
For music lovers, headphones are not just an accessory — they are a refuge, a way to focus and feel every beat in high definition.
