Feature

●Open-Back, On-Ear Design, Retro Look
●Ultra Lightweight, Stainless Steel Chassis
●Audiophile Sound Performance
●Soft, Foam Ear Cushions
●3.5mm Utility Cord Included

[Stealth Black]




[Rhythm Beige]





Description

Koss KPH40 UtilityKoss KPH40 Utility

Premium Design

KPH40 Utility features a sleek stealth grey stainless steel headband and soft foam cushions providing an ultra lightweight listening experience.

Koss KPH40 UtilityKoss KPH40 Utility

Koss Utility Series

Koss Utility Series features a detachable cord system giving listeners the freedom to connect to the devices they own now, or in the future.

Koss KPH40 UtilityKoss KPH40 Utility

The Choice is Yours

Get started right away with the included 3.5mm Utility cord or bundle an additional Lighting or USB-C Utility cord to connect to more of your devices.

Koss KPH40 UtilityKoss KPH40 Utility

The Perfect Fit

KPH40 Utility features an adjustable headband and articulating ear cups providing a comfortable listening experience for hours of use.

Two Colors. One Remarkable Listening Experience.

Koss KPH40 UtilityKoss KPH40 Utility

Stealth Grey

KPH40 Utility sports a sleek stealth grey headband with soft foam cushions which provides an ultra lightweight listening experience for hours of use.

Koss KPH40 UtilityKoss KPH40 Utility

Rhythm Beige

KPH40 Utility now comes in the iconic Koss Rhythm Beige colorway first found on the legendary Pro/4AA, Porta Pro Limited Edition and KPH30i.

Koss KPh40 UtilityKoss KPh40 Utility
Koss KPh40 UtilityKoss KPh40 UtilityKoss KPh40 UtilityKoss KPh40 Utility

How it Works

Utility Series


The Koss Utility Series is an all-new way to experience The Sound of Koss. Three new headphones, three new cords, one seamless experience where everything works together.

Koss Utility Series features a detachable cord system giving listeners the flexibility to switch easily between multiple devices. Get listening right away with the included 3.5mm Utility cord. Need something different? Bundle the additional USB-C or Lightning Utility cords with your headphone purchase.

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Koss KPH40 UtilityKoss KPH40 Utility
Frequency Response 15 - 25,000 Hz
Impedance 60 Ohms
SPL 111 dB
Drivers Dynamic
Headband Stainless Steel
Utility Connector 2.5mm
Cushions Foam
Included KPH40 Utility, 4 ft / 1.2m 3.5mm Utility cord

From the brand

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  2. KossKoss

    In 1958 John C. Koss changed the way we all listen to music when he invented the worlds first SP/3 stereophone.

    Koss sought to replicate the excitement of a live musical performance, allowing listeners to experience sound as they had never before, bringing them closer to the music they love. Music lovers around the world recognize that dedication to accuracy in sound reproduction as: The Sound of Koss

  3. John C. KossJohn C. Koss

    Birth of the Stereophone

    Before the worlds first SP/3 Stereophone in 1958, John C. Koss developed a portable stereo photograph player with side-wing speakers.

  4. SP/3 StereophoneSP/3 Stereophone

    Worlds First SP/3 Stereophone

    in 1958 John C. Koss invented the worlds first SP/3 Stereophone introducing personal stereo audio to the world.

  5. SP/3XSP/3X

    SP/3X

    In 1960 Koss released the predecessor to the SP/3 with a lighter design, more comfortable headband and superior sound quality.

  6. Pro/4AAPro/4AA

    Pro/4AA

    In 1970 Pro/4AA set the standard for full-size professional headphones delivering true full frequency performance.

  7. Koss World HeadquartersKoss World Headquarters

    Koss World Headquarters

    On June 25, 1971 John C. Koss unveiled the new Koss World Headquarters in Milwaukee, Wisconsin.

  8. HV/1AHV/1A

    HV/1A

    In 1974, Koss released the HV/1A the first dynamic headphone capable of reproducing all 10 audible octaves.

  9. Porta ProPorta Pro

    Porta Pro

    In 1984 the acclaimed Porta Pro was released and set performance and comfort standards worldwide for decades to come.

  10. JCK /300JCK /300

    JCK/300 Kordless System

    In 1989 the JCK/300 Kordless Headphone system set the standard for infrared wireless headphones.

  11. ESP/950ESP/950

    ESP/950

    In 1990 Kosss revolutionary ESP/950 electrostatic headphones introduced breakthrough high-fidelity sound.

  12. Pro4SPro4S

    Pro4S Studio

    Carrying on the legacy of the Pro/4 line, 2014s Pro4S Studio Headphone was specifically designed for audio professionals.

  13. KPH30iKPH30i

    KPH30i

    In 2017 Koss released the acclaimed KPH30i featuring an ultra-light weight design with remarkable high-fidelity sound.

  14. Utility SeriesUtility Series

    Utility Series

    In 2021 Koss Utility Series introduced three new headphones allowing listeners to connect via Lightning, USB-C and 3.5mm.

  15. TWSTWS

    True Wireless Earbuds

    In 2023 Koss continued its evolution of wireless headphones with the TWS250i True Wireless Earbuds.

  16. Koss Porta Pro On Ear Headphones with Case, Black / SilverKoss Porta Pro On Ear Headphones with Case, Black / Silver
    Koss Porta Pro Black On Ear Headphones with Case BlackKoss Porta Pro Black On Ear Headphones with Case Black
    Koss Porta Pro Limited Edition Rhythm Beige On-Ear Headphones, in-Line Microphone, Volume Control...Koss Porta Pro Limited Edition Rhythm Beige On-Ear Headphones, in-Line Microphone, Volume Control...
    Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Des...Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Des...

    Porta Pro Collection

    Visit the Store

  17. TWSTWS
    BT740BT740
    BT232BT232
    KPH7KPH7

    Wireless Headphones

    Visit the Store

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