Audeze Euclid In-Ear Planar Magnetic Earphones


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  • Closed-Back Planar Magnetic In-Ear Earphones
    Planar Magnetic. Closed-Back. In-ear. Precision-milled Aluminium. Our new Euclid combines all of these features to deliver superior detail retrieval and sonic accuracy with a soundstage and dynamic range so robust you'll forget you're listening to a closed-back in-ear. The miniaturized 18mm single planar magnetic driver has no crossovers, resulting in superior cohesion across the entire frequency spectrum. Euclid is engineered for an incredible 105 dB/mW efficiency and a max SPL well over 120dB, giving it the highest dynamic range of any in-ear in its size category. The smoothly contoured light weight design incorporates precision-milled aluminum and carbon fiber for a look that doesn't sacrifice elegance for comfort.

    Patented 18mm Planar Magnetic Driver Technology
    Euclid's 18mm planar magnetic drivers incorporate Audeze's patented Fazor™ waveguides to eliminate the phasing and distortion typical of most closed-back dynamic in-ears. The efficient single driver design also includes our patented Fluxor™ magnets and Uniforce™ voice coils to further reduce distortion, improve sensitivity, and create superior coherency across the entire frequency spectrum.

    Universal Connectivity
    Euclid's high sensitivity and low impedance make it an ideal companion to any high resolution audio player. The gold plated MMCX plug terminations ensure a secure and durable connection whether you're using the braided cable we've included or your own custom design.

    Precision-Milled Aluminum Body
    Smoothly contoured with an elegant matte black finish, Euclid's light-weight and durable body is precision-milled from solid aluminum and capped with a layer of carbon fiber.

    The Perfect Fit
    To give you the best fit with the best comfort, Euclid comes with 3 different styles of silicone and foam eartips including SpinFit and Comply models. Replacement eartips are available in our Accessories section.

    Ergonomic Design
    Euclid's small 5mm ear port, contoured design, and light-weight construction work together to create an ergonomic fit suitable to most inner-ear shapes. The braided cable is routed behind the ear for enhanced stability, eliminating the need for ear hooks and improving comfort over extended listening sessions.

  • • Audeze 18mm Planar Magnetic Driver
    • Highest dynamic range of any in-ear in its size category
    • MMCX universal cable connectors for easy customization
    • Lightweight precision-milled aluminium housing with ergonomic design

  • Style In-ear, closed-back
    Transducer type Planar Magnetic
    Magnetic structure Fluxor™ magnet array
    Phase management Fazor™
    Magnet type Neodymium N50
    Diaphragm type Ultra-thin Uniforce™
    Transducer size 18 mm
    Maximum SPL >120dB

    Frequency response

    10Hz - 50kHz


    <0.1% @ 100 dB SPL


    105 dB/1mW (at Drum Reference Point)


    12 ohms

    Max power handling


    Min recommended power

    > 50mW

    Wired connection

    Braided MMCX

    Weight 15g/pair without cable
    Sound port diameter 5mm

    Diaphragm thickness

    1.8 microns