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    U18s


    Universal

    Fitting

    18

    Drivers

    $2,999.00

    USD


    U18s


    Universal

    Fitting

    18

    Drivers

    $2,999.00

    USD


    U18s


    Universal

    Fitting

    18

    Drivers

    $2,999.00

    USD

    Sound

    Listening to U18s gives the sense that a filter has been lifted off of your music; it is suddenly more direct and vibrant.

    Resolution and presentation that reveals details which have previously gone unnoticed. The space between you and the performance is removed; the difference between hearing the best reproduction and experiencing it being played in real-time.

    The enveloping sound-stage and wide frequency response allows you to really press into the music without fear of harshness or fatigue.

    Specifications

    1 tia High Driver – 1 Dynamic Low Driver

    20hz – 20kHz Frequency Response

    98 dB/mW Sensitivity

    Integrated 2-way passive crossover

    9Ω Impedance

    -12dB isolation apex core technology

    Featured Technology

    Rather than constricting the sound of the drivers by fitting a tube onto them, Duo’s complete Tia System reduces unwanted resonance and distortion by allowing the 9mm Dynamic Driver + Tia High Driver to radiate freely into the single large Tia bore with no obstructions to the front of the drivers.

    Apex Core is a deeper understanding of air movement within an earphone system. Duo’s faceplate features a striking perforated grill that leaves the shell of the IEM open to the outside atmosphere for a less obstructed airflow resulting in an effortless reproduction of music and minimal physical fatigue.

    Due to the high crossover point between the two drivers, Wave Sync was developed to ensure coherence; another industry first. By using a type of “all-pass” filter, we’re able to introduce a crossover while correcting for time without having to change the physical distance between the drivers.





    Specifications

    • 1 tia High Driver – 1 High-Mid Driver – 8 Mid Drivers – 8 Low Drivers

    • 10hz – 20kHz Frequency Response

    • 106 dB/mW Sensitivity @1kHz @ 1mW (84mV)

    • Integrated 4-way Passive Crossover

    • 8Ω Nominal Impedance

    • Apex Technology Isolation: -20dB, -15dB, -10dB

    Designed, Assembled, and QC’d by highly skilled technicians in the United States using components sourced both domestically and globally from trusted suppliers.

    Specifications

    1 tia High Driver – 1 Dynamic Low Driver

    20hz – 20kHz Frequency Response

    98 dB/mW Sensitivity

    Integrated 2-way passive crossover

    9Ω Impedance

    -12dB isolation apex core technology

    Included

    • U18s Universal In-Ear Monitors

    • 64 Audio Premium Leather Case

    • TrueFidelity Foam Eartips (S,M,L)

    • SpinFit Silicone Eartips (S,M,L)

    • Silicone Eartips (S,M,L)

    • 3.5mm 8-Braid Silver Cable

    • Cable Clip

    • Cleaning Tool

    • Apex Modules: m20, m15, mX

    • Round Sticker

     

    U18s

    Universal

    Fitting

    18

    Drivers

    $2,999.00

    Ships in 1-4 Business Days

    64 Audio revolutionized the IEM industry in 2016 with its world class reference level U18t, the world’s first 18-driver earphone. Now, with the introduction of U18s, 64 Audio has taken the heritage of the 18 driver platform and further pushed the envelope of innovation in sound and design. U18s combines proprietary drivers, LID technology and a new electronic crossover network to deliver a uniquely exceptional listening experience.

    Sound

    Listening to U18s gives the sense that a filter has been lifted off of your music; it is suddenly more direct and vibrant. Resolution and presentation that reveals details which have previously gone unnoticed. The space between you and the performance is removed; the difference between hearing the best reproduction and experiencing it being played in real-time. The enveloping sound-stage and wide frequency response allows you to really press into the music without fear of harshness or fatigue.

    U18s is handcrafted in the USA from aerospace-grade aluminum billet. CNC milled, sand blasted, fly cut, and twice anodized - the result is a striking fractal design that is inspired by nature itself.

    Featured Technology

    Tubeless In-Ear Audio (tia) is a patented IEM design methodology that aims to reduce unwanted resonance and distortion for a transparent and lifelike sound signature. The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. U18s features two major elements of the tia system: the tia driver and the tia single-bore design.

    Air Pressure Exchange (Apex) is a patented vent that releases air pressure in a sealed ear canal all while retaining standard IEM levels of isolation; enabling musicians and music enthusiasts to listen more comfortably for longer. This venting alleviates listener fatigue and allows for a much more realistic soundstage. Apex comes in three module variations for U18s: mX, m15 and m20

    Linear Impedance Design (LID) is a patented circuit that corrects the non-linear electrical resistance of the multiple driver-sets comprising this 18 driver IEM. Varying source amplifier output impedance in devices like smartphones, body packs, DAC/amps, and DAPs typically results in varying frequency response across them, depending on the increase in resistance. Restoring proper interaction with the source and preserving the desired sound signature enables a consistent reliable sound.

    A crossover circuit replacing traditional acoustic dampers which can introduce unwanted distortion through vibration and air turbulence. Rather than using acoustic dampers to filter unwanted frequencies after the driver produces them the electrical low pass filter lowers distortion by eliminating unwanted frequencies before they reach the driver.

    Tubeless In-Ear Audio (tia) is a patented IEM design methodology that aims to reduce unwanted resonance and distortion for a transparent and lifelike sound signature. The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. U18s features two major elements of the tia system: the tia driver and the tia single-bore design.


    Air Pressure Exchange (Apex) is a patented vent that releases air pressure in a sealed ear canal all while retaining standard IEM levels of isolation; enabling musicians and music enthusiasts to listen more comfortably for longer. This venting alleviates listener fatigue and allows for a much more realistic soundstage. Apex comes in three module variations for U18s: mX, m15 and m20


    Linear Impedance Design (LID) is a patented circuit that corrects the non-linear electrical resistance of the multiple driver-sets comprising this 18 driver IEM. Varying source amplifier output impedance in devices like smartphones, body packs, DAC/amps, and DAPs typically results in varying frequency response across them, depending on the increase in resistance. Restoring proper interaction with the source and preserving the desired sound signature enables a consistent reliable sound.


    The electrical low pass filter lowers distortion by eliminating unwanted frequencies. It does this with an electrical circuit that eliminates target frequencies before they reach the driver. An acoustic damper (old technology) doesn’t actually prevent frequencies from getting to the driver, it merely blocks frequencies from getting to the ear. At higher volumes acoustic dampers can introduce unwanted distortion through vibration and air movement.

    Designed, Assembled, and QC’d by highly skilled technicians in the United States using components sourced both domestically and globally from trusted suppliers.

    Specifications

    1 tia High Driver – 1 High-Mid Driver – 8 Mid Drivers – 8 Low Drivers

    10hz – 20kHz Frequency Response

    106 dB/mW Sensitivity @1kHz @ 1mW (84mV)

    Integrated 4-way Passive Crossover

    8Ω Nominal Impedance

    Apex Technology Isolation: -20dB, -15dB, -10dB

    Specifications

    1 tia High Driver – 1 High-Mid Driver – 8 Mid Drivers – 8 Low Drivers

    10hz – 20kHz Frequency Response

    106 dB/mW Sensitivity @1kHz @ 1mW (84mV)

    Integrated 4-way Passive Crossover

    8Ω Nominal Impedance

    Apex Technology Isolation: -20dB, -15dB, -10dB

    Designed, Assembled, and QC’d by highly skilled technicians in the United States using components sourced both domestically and globally from trusted suppliers.

    8-Braid Silver Cable

    8 Conductors

    0.28 Ohms Total Impedance

    Pure Silver Plated Oxygen-Free Copper Wire

    65 Strands of 44 AWG Wire

    Low Microphonics

    Included

    U18s Universal in-Ear Monitors

    64 Audio Premium Leather Case

    TrueFidelity Foam Ear Tips (S,M,L)

    SpinFit Silicone Ear Tips (S,M,L)

    Silicone Ear Tips (S,M,L)

    3.5mm 8-Braid Silver Cable

    Apex Modules: m20, m15, mX

    Round Sticker



    U18s

    Universal Fit - 18 Drivers

    $2,999.00

    Ships in 1-4 Business Days

    U18s

    Universal Fit - 18 Drivers

    $2,999.00

    USD

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