Lightweight Listening
KPH30i packs big sound into a small ultra lightweight on-ear headphone with modern features.
A Clear Winner
Experience remarkable high-fidelity audio at 15-25,000Hz with deep bass and superior highs/midrange.
Control Your Music
In-line microphone and remote allow for Pause/Play/Skip tracks as well as Answer/End calls.
Virtually Weightless
Thanks to it's remarkable ultra lightweight design KPH30i will feel like it's floating on your ears.
A Color For Everyone
KPH30i comes in four colorways White, Grey, Rhythm Beige and Clear.
High-Fidelity Audio
Dynamic 60 ohm drivers deliver remarkable high-fidelity audio at 15-25,000Hz with deep bass, crisp highs and a superior midrange.
Built to Last
Durability doesn't have to come at the expense of comfort and KPH30i features a resilient ultra light weight design.
In-Line Controls
A rugged new cable system with in-line microphone and remote allow for Pause/Play/Skip tracks as well as Answer/End calls.
Adjustable Headband
An adjustable headband with soft silicone strap provides a comfortable listening experience for hours of use.
Four Colors. One Remarkable Listening Experience.
KPH30i White
What KPH30i White lacks in color makes up for with high-fidelity audio build on an ultra lightweight on-ear design.
KPH30i Clear
KPH30i packs high-fidelity audio components you not only can hear, but can see with an all-new transparent design.
KPH30i Grey
Looking for sleek modern look that goes with anything? KPH30i is also available in a matte grey colorway.
KPH30i Rhythm Beige
First introduced on the legendary Pro/4AA, the iconic Koss Rhythm Beige colorway makes it way to KPH30i.
More Products From Koss
 KPH30i |  Porta Pro Wireless |  Porta Pro |  Porta Pro Limited Edition |  Porta Pro Utility |  KPH40 Utility |  KSC75 | |
|---|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — | — |
Price | — | — | — | — | — | — | — |
Headphone Type | On Ear | On-Ear | On Ear | On Ear | On Ear | On Ear | Ear Clip |
Connection | 3.5mm | Bluetooth | 3.5mm | 3.5mm | Utility Series | Utility Series | 3.5mm |
Utility Series | — | — | — | — | 3.5mm, USB-C & Lightning | 3.5mm, USB-C & Lightning | — |
Audio Controls | In-Line Remote | Integrated Audio Controls | — | In-Line Remote | Utility Cord Remote | Utility Cord Remote | — |
Microphone | In-Line Remote | Integrated Microphone | — | In-Line Remote | Utility Cord Remote | Utility Cord Remote | — |
Noise Cancelling | — | — | — | — | — | — | — |
Adjustable Headband | Yes | Yes | Yes | Yes | Yes | Yes | — |
Collapsible | — | Yes | Yes | Yes | Yes | — | — |
Carrying Case/Pouch | — | Hard Shell Case | Carrying Pouch | Hardshell Case | Carrying Pouch | — | — |
The Original American Stereophone Company
In 1958 John C. Koss changed the way we all listen to music when he invented the world's 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
Standard & Oversized Cushions
Porta Pro Collection
Retro Headphones
Utility Series
Best Sellers
Birth of the Stereophone
Before the world's first SP/3 Stereophone in 1958, John C. Koss developed a portable stereo photograph player with side-wing speakers.
World's First SP/3 Stereophone
in 1958 John C. Koss invented the world's first SP/3 Stereophone introducing personal stereo audio to the world.
SP/3X
In 1960 Koss released the predecessor to the SP/3 with a lighter design, more comfortable headband and superior sound quality.
Pro/4AA
In 1970 Pro/4AA set the standard for full-size professional headphones delivering true full frequency performance.
Koss World Headquarters
On June 25, 1971 John C. Koss unveiled the new Koss World Headquarters in Milwaukee, Wisconsin.
HV/1A
In 1974, Koss released the HV/1A the first dynamic headphone capable of reproducing all 10 audible octaves.
Porta Pro
In 1984 the acclaimed Porta Pro was released and set performance and comfort standards worldwide for decades to come.
JCK/300 Kordless System
In 1989 the JCK/300 Kordless Headphone system set the standard for infrared wireless headphones.
ESP/950
In 1990 Koss's revolutionary ESP/950 electrostatic headphones introduced breakthrough high-fidelity sound.
Pro4S Studio
Carrying on the legacy of the Pro/4 line, 2014's Pro4S Studio Headphone was specifically designed for audio professionals.
KPH30i
In 2017 Koss released the acclaimed KPH30i featuring an ultra-light weight design with remarkable high-fidelity sound.
Utility Series
In 2021 Koss Utility Series introduced three new headphones allowing listeners to connect via Lightning, USB-C and 3.5mm.
True Wireless Earbuds
In 2023 Koss continued it's evolution of wireless headphones with the TWS250i True Wireless Earbuds.
Lightweight Listening
KPH30i packs big sound into a small ultra lightweight on-ear headphone with modern features.
A Clear Winner
Experience remarkable high-fidelity audio at 15-25,000Hz with deep bass and superior highs/midrange.
Control Your Music
In-line microphone and remote allow for Pause/Play/Skip tracks as well as Answer/End calls.
Virtually Weightless
Thanks to it's remarkable ultra lightweight design KPH30i will feel like it's floating on your ears.
A Color For Everyone
KPH30i comes in four colorways White, Grey, Rhythm Beige and Clear.
High-Fidelity Audio
Dynamic 60 ohm drivers deliver remarkable high-fidelity audio at 15-25,000Hz with deep bass, crisp highs and a superior midrange.
Built to Last
Durability doesn't have to come at the expense of comfort and KPH30i features a resilient ultra light weight design.
In-Line Controls
A rugged new cable system with in-line microphone and remote allow for Pause/Play/Skip tracks as well as Answer/End calls.
Adjustable Headband
An adjustable headband with soft silicone strap provides a comfortable listening experience for hours of use.
Four Colors. One Remarkable Listening Experience.
KPH30i White
What KPH30i White lacks in color makes up for with high-fidelity audio build on an ultra lightweight on-ear design.
KPH30i Clear
KPH30i packs high-fidelity audio components you not only can hear, but can see with an all-new transparent design.
KPH30i Grey
Looking for sleek modern look that goes with anything? KPH30i is also available in a matte grey colorway.
KPH30i Rhythm Beige
First introduced on the legendary Pro/4AA, the iconic Koss Rhythm Beige colorway makes it way to KPH30i.
| Frequency Response | 15 - 25,000 Hz |
|---|---|
| Impedance | 60 Ohms |
| SPL | 101 dB |
| Drivers | Koss Dynamic |
| Connector | 3.5mm |
| Controls | One-Touch microphone & remote |
| Cushions | Foam |
| Included | KPH30i |
More Products From Koss
KPH30i | Porta Pro Wireless | Porta Pro | Porta Pro Limited Edition | Porta Pro Utility |  KPH40 Utility |  KSC75 |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Headphone Type | ||||||
| On Ear | On-Ear | On Ear | On Ear | On Ear | On Ear | Ear Clip |
| Connection | ||||||
| 3.5mm | Bluetooth | 3.5mm | 3.5mm | Utility Series | Utility Series | 3.5mm |
| Utility Series | ||||||
| — | — | — | — | 3.5mm, USB-C & Lightning | 3.5mm, USB-C & Lightning | — |
| Audio Controls | ||||||
| In-Line Remote | Integrated Audio Controls | — | In-Line Remote | Utility Cord Remote | Utility Cord Remote | — |
| Microphone | ||||||
| In-Line Remote | Integrated Microphone | — | In-Line Remote | Utility Cord Remote | Utility Cord Remote | — |
| Noise Cancelling | ||||||
| — | — | — | — | — | — | — |
| Adjustable Headband | ||||||
| Yes | Yes | Yes | Yes | Yes | Yes | — |
| Collapsible | ||||||
| — | Yes | Yes | Yes | Yes | — | — |
| Carrying Case/Pouch | ||||||
| — | Hard Shell Case | Carrying Pouch | Hardshell Case | Carrying Pouch | — | — |
The Original American Stereophone Company
In 1958 John C. Koss changed the way we all listen to music when he invented the world's 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
Standard & Oversized Cushions
Porta Pro Collection
Retro Headphones
Utility Series
Best Sellers
Birth of the Stereophone
Before the world's first SP/3 Stereophone in 1958, John C. Koss developed a portable stereo photograph player with side-wing speakers.
World's First SP/3 Stereophone
in 1958 John C. Koss invented the world's first SP/3 Stereophone introducing personal stereo audio to the world.
SP/3X
In 1960 Koss released the predecessor to the SP/3 with a lighter design, more comfortable headband and superior sound quality.
Pro/4AA
In 1970 Pro/4AA set the standard for full-size professional headphones delivering true full frequency performance.
Koss World Headquarters
On June 25, 1971 John C. Koss unveiled the new Koss World Headquarters in Milwaukee, Wisconsin.
HV/1A
In 1974, Koss released the HV/1A the first dynamic headphone capable of reproducing all 10 audible octaves.
Porta Pro
In 1984 the acclaimed Porta Pro was released and set performance and comfort standards worldwide for decades to come.
JCK/300 Kordless System
In 1989 the JCK/300 Kordless Headphone system set the standard for infrared wireless headphones.
ESP/950
In 1990 Koss's revolutionary ESP/950 electrostatic headphones introduced breakthrough high-fidelity sound.
Pro4S Studio
Carrying on the legacy of the Pro/4 line, 2014's Pro4S Studio Headphone was specifically designed for audio professionals.
KPH30i
In 2017 Koss released the acclaimed KPH30i featuring an ultra-light weight design with remarkable high-fidelity sound.
Utility Series
In 2021 Koss Utility Series introduced three new headphones allowing listeners to connect via Lightning, USB-C and 3.5mm.
True Wireless Earbuds
In 2023 Koss continued it's evolution of wireless headphones with the TWS250i True Wireless Earbuds.
