Home > Extreme® SX'355 Aviation Earphones


Extreme® Aviation
SX'355 earphones

Experience the ultimate combination of luxury, style and performance. The Extreme® SX'355 Aviation earphones are inspired by the tireless pursuit of perfection and merge the beauty of high performance design with state-of-the-art technology. Engineered with some of the most advanced audio technology ever to be put into a set of in-ear headphones for a truly natural and authentic sound performance with focus on a clear midrange with balanced bass and treble performance. Take the load off your ears with the pressure-relieving noise-isolating structure. Throw in unique luxurious housings that give you the best fit. Then listen in comfort for as long as the beat keeps rolling.

Engineered with aviation grade anodised Aluminium™ IcePower™ Bass-Reflex technology for unparalleled bass Sx3 Acoustics Engine equalizes to the emotion of sound Award-Winning Luxury Design inspired by F1 MotorSport

£89.99   out of stock

Key Features

  • Aviation Grade ALUMINIUM
    Aviation Grade ALUMINIUM

    The SX'355 in-ear headphones are engineered using AVIATION GRADE ALUMINIUM. The same material used in aerospace and high performance jet fighter planes.

  • evolution-x audio headphones

    evolution-x Advanced Audio technology delivers sound that is bit for bit identical to the original source

  • SX3 Acoustics Engine
    Sx3 Acoustics Engine

    The Sx3 Acoustics Engine automatically equalizes the Earphones to the correct emotion of sound, allowing you to experience the impact of crystal clear audio performance

  • air studios
    Air-studios Sound Calibration

    the Aviation series earphones are fine-tuned at London's renowned AIR Studios; an international benchmark for state of the art sound engineering


  • Speaker Type (headphones) High-Definition Dynamic Drivers

  • Frequency response 8 Hz - 23,000 Hz

  • Bass System IcePower™ (Bass-Reflex™ Technology)

  • Cable length 1.35m (extension cable included)

  • Impedance (Ohm) 32 Ω

  • Sensitivity 100dB/1mW (IEC)

  • Sound pressure level (SPL) 121 dB (1kHz/1Vrms)

  • Magnet Ultra Neodymium

  • THD, total harmonic distortion < 0.1%

  • Sound isolation system Yes

  • DTS Audio Capability Yes

  • Transducer principle Dynamic

  • DTS-HD Master Audio Yes (bitstream output only)

  • Bass Reflex Technology Yes

  • Weight Approx. 7.5 g

  • Audio Calibration Auto (Sx3 Acoustics Engine)

  • Materials Aviation Grade Aluminium

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