Fidelio

X3 wired over-ear open-back headphones

X3/00

Fidelio X3 wired over-ear open-back headphones

X3/00

Like a concert hall for your ears

From the singer’s breath to fingers squeaking on a fretboard, these audiophile-grade open-back headphones match feather-light comfort with pristine tuning. Discover new layers of transparency and detail every time you slip them on. See all benefits

Fidelio X3 wired over-ear open-back headphones

Like a concert hall for your ears

From the singer’s breath to fingers squeaking on a fretboard, these audiophile-grade open-back headphones match feather-light comfort with pristine tuning. Discover new layers of transparency and detail every time you slip them on. See all benefits

Like a concert hall for your ears

From the singer’s breath to fingers squeaking on a fretboard, these audiophile-grade open-back headphones match feather-light comfort with pristine tuning. Discover new layers of transparency and detail every time you slip them on. See all benefits

Fidelio X3 wired over-ear open-back headphones

Like a concert hall for your ears

From the singer’s breath to fingers squeaking on a fretboard, these audiophile-grade open-back headphones match feather-light comfort with pristine tuning. Discover new layers of transparency and detail every time you slip them on. See all benefits

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Like a concert hall for your ears

Designed for audiophiles

  • Wide, natural soundstage
  • Feather-light comfort
  • Leather/metal premium finish
  • Detachable 3 m cable
Engineered for exceptional performance

Engineered for exceptional performance

The Philips Fidelio X3 headphones boast double-layered ear shells that reduce resonance and vibration. The neodymium drivers are engineered to tilt at 15 degrees, fitting the natural geometry of your ear for optimal accuracy at high frequencies. The result: flawless performance, with exquisite detail.

Feel the passion. Premium design

Feel the passion. Premium design

These over-ear headphones aren't just built to sound spectacular: they feel incredible too. The light, soft inner headband adjusts to fit perfectly. The outer headband adds a reassuring weight, while the snug fit of the feather-light memory foam ear-cup cushions creates a perfect seal. Ideal for long listening sessions.

Open-back design. Wide, natural soundstage

Open-back design. Wide, natural soundstage

The open-back ear-cup design is covered with acoustically transparent Kvadrat speaker fabric. Air is able to flow freely through the fabric-eliminating air pressure build-up behind the diaphragm and creating immersive, spacious sound.

The art of balance. Exquisitely tuned 50 mm drivers

The art of balance. Exquisitely tuned 50 mm drivers

The 50 mm acoustic drivers boast diaphragms composed of multiple polymer layers, and filled with damping gel. The flexibility and smoothness of each diaphragm delivers perfectly balanced sound. The bass is impactful without being overpowering. Midrange frequencies are full and smooth. High frequencies are exquisitely detailed.

Hi-Res Audio. Hear every detail

Hi-Res Audio. Hear every detail

Twinkling pianos. Blistering rock. Whatever you love, these Hi-Res Audio headphones let you feel the full impact of every note. When wired to a high-resolution source, you’ll get the full benefit of lossless audio that’s recorded at a higher sample rate than CDs—for a brilliantly lifelike performance.

Acoustically transparent Kvadrat fabric

Acoustically transparent Kvadrat fabric

The clean, elegant design of these premium over-ear headphones beautifully updates their predecessor-the legendary Fidelio X2. The dark satin finish of the metal frame seems to float over the durable, black Kvadrat fabric that covers the ear cups.

Sumptuous Muirhead leather. Responsibly sourced

Sumptuous Muirhead leather. Responsibly sourced

The black Muirhead Scottish leather that covers the outer and inner headband is sustainably and ethically sourced. Beautifully soft and textured, this high-performance leather lends a sophisticated touch to the headphones.

Authentic sound from any source

Authentic sound from any source

Immerse in your favorite albums—however you like to listen. The included cable boasts a 6.3–3.5 mm jack adapter, so you can listen on your smart device as well as your home setup.

Included fiber cable with 6.3 mm to 3.5 mm jack

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Tight, impactful bass. Balanced midrange

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Technical Specifications

  • Sound

    Acoustic system
    Open
    Frequency range
    5 - 40,000 Hz
    Speaker diameter
    50 mm
    Impedance
    30 Ohm
    Maximum power input
    100 mW
    Sensitivity
    98 dB @ 1mW
    Distortion (THD)
    <0.1% THD
    Driver type
    Dynamic
    Hi-Res Audio
    Yes
  • Connectivity

    Detachable cable
    Yes
    Headphone socket
    3.5  mm
  • Outer Carton

    Length
    26.5  cm
    Number of consumer packagings
    2
    Width
    26  cm
    Gross weight
    3.18  kg
    Height
    31  cm
    GTIN
    1 48 95229 10278 8
    Nett weight
    2.8  kg
    Tare weight
    0.38  kg
  • Packaging dimensions

    Height
    29  cm
    Packaging type
    Box
    Type of shelf placement
    Hanging
    Width
    24.5  cm
    Depth
    12.2  cm
    Number of products included
    1
    EAN
    48 95229 10278 1
    Gross weight
    1.59  kg
    Nett weight
    1.4  kg
    Tare weight
    0.19  kg
  • Product dimensions

    Height
    22  cm
    Width
    17.5  cm
    Depth
    11  cm
    Weight
    0.34  kg
  • Accessories

    Others
    • 2.5-3.5mm TRRS cable, L=3m
    • 1 pcs cable management clip
    Audio cable
    3.5mm stereo cable, L=3m
    Included adapters
    3.5-6.3 mm adapter plug
    OFC (Oxygen free cable)
    Yes
  • Design

    Color
    Black
    Wearing style
    Headband
    Ear coupling material
    Fabric
    Ear fitting
    Over-ear
    Earcup type
    Open-back
  • UPC

    UPC
    8 40063 20130 9

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