BIG SOUND. small size.
The acclaimed KSC75 delivers remarkable high-fidelity audio in an ultra lightweight ear-clip design.
15-25,000 Hz
The Sound of Koss
Dynamic Titanium coated drives and Neodymium iron boron magnets deliver deep bass performance.
Classic Style
KSC75 is one of the most recognized headphones around the world with a sleek, timeless look.
Portable Perfection
Small enough to fit in your pocket, take the Koss KSC75 wherever you go.
The Perfect Fit
KSC75 features a unique ear-clip design with soft rotating ear hooks.
Legendary Sound
The acclaimed KSC75 delivers remarkable high-fidelity audio in an ultra lightweight, ultra portable unique ear-clip design.
High-Fidelity Audio
Dynamic Titanium coated drives and Neodymium iron boron magnets deliver deep bass performance for an extended frequency response of 15,25,000 Hz.
Ear-Clip Design
Small enough to fit in your pocket, KSC75 features a unique ear-clip design with soft rotating ear hooks.
Foam Cushions
Soft foam cushions rest comfortably on your ears for exceptional comfort.
BIG SOUND. small size.
Performance Like You've Never Heard
Koss engineered Dynamic Titanium coated drives and Neodymium iron boron magnets deliver deep bass performance for an extended frequency response of 15,25,000 Hz.
Comfort Like You've Never Felt
KSC75's unique ear-clip design features soft rotating ear hooks combined with soft foam cushions providing an ultra lightweight listening experience.
More Products From Koss
 KSC75 |  Porta Pro |  Porta Pro Limited Edition |  Porta Pro Utility |  KPH40 Utility |  KPH30i | |
|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — |
Price | — | — | — | — | — | — |
Headphone Type | Ear Clip | On Ear | On Ear | On Ear | On Ear | On Ear |
Connection | 3.5mm | 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 | Utility Cord Remote | Utility Cord Remote | In-Line Remote |
Microphone | — | — | In-Line Remote | Utility Cord Remote | Utility Cord Remote | In-Line Remote |
Noise Cancelling | — | — | — | — | — | — |
Adjustable Headband | — | Yes | Yes | Yes | Yes | Yes |
Collapsible | — | Yes | Yes | Yes | — | — |
Carrying Case/Pouch | — | 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.
BIG SOUND. small size.
The acclaimed KSC75 delivers remarkable high-fidelity audio in an ultra lightweight ear-clip design.
15-25,000 Hz
The Sound of Koss
Dynamic Titanium coated drives and Neodymium iron boron magnets deliver deep bass performance.
Classic Style
KSC75 is one of the most recognized headphones around the world with a sleek, timeless look.
Portable Perfection
Small enough to fit in your pocket, take the Koss KSC75 wherever you go.
The Perfect Fit
KSC75 features a unique ear-clip design with soft rotating ear hooks.
Legendary Sound
The acclaimed KSC75 delivers remarkable high-fidelity audio in an ultra lightweight, ultra portable unique ear-clip design.
High-Fidelity Audio
Dynamic Titanium coated drives and Neodymium iron boron magnets deliver deep bass performance for an extended frequency response of 15,25,000 Hz.
Ear-Clip Design
Small enough to fit in your pocket, KSC75 features a unique ear-clip design with soft rotating ear hooks.
Foam Cushions
Soft foam cushions rest comfortably on your ears for exceptional comfort.
BIG SOUND. small size.
Performance Like You've Never Heard
Koss engineered Dynamic Titanium coated drives and Neodymium iron boron magnets deliver deep bass performance for an extended frequency response of 15,25,000 Hz.
Comfort Like You've Never Felt
KSC75's unique ear-clip design features soft rotating ear hooks combined with soft foam cushions providing an ultra lightweight listening experience.
Foam Cushions
Soft foam cushions rest comfortably on your ears for exceptional comfort.
Ear-Clip Design
Unique ear-clip design with rotating ear hooks.
The Sound of Koss
Dynamic Titanium coated drives and Neodymium iron boron magnets deliver deep bass performance for an extended frequency response of 15,25,000 Hz.
Simple Connection
4ft/1.2m 3.5mm cord.
| Frequency Response | 15-25,000 Hz |
|---|---|
| Impedance | 60 Ohms |
| SPL | 101 dB |
| Cord | 4ft/1.2m |
| Drivers | Koss Titanium coated with Neodymium iron boron magnets |
| Cushions | Foam |
| Connector | 3.5mm standard headphone jack |
| Included | KSC75 |
More Products From Koss
KSC75 | Porta Pro | Porta Pro Limited Edition | Porta Pro Utility | KPH40 Utility | KPH30i |
|---|---|---|---|---|---|
| Customer Reviews | |||||
| — | — | — | — | — | — |
| Price | |||||
| — | — | — | — | — | — |
| Headphone Type | |||||
| Ear Clip | On Ear | On Ear | On Ear | On Ear | On Ear |
| Connection | |||||
| 3.5mm | 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 | Utility Cord Remote | Utility Cord Remote | In-Line Remote |
| Microphone | |||||
| — | — | In-Line Remote | Utility Cord Remote | Utility Cord Remote | In-Line Remote |
| Noise Cancelling | |||||
| — | — | — | — | — | — |
| Adjustable Headband | |||||
| — | Yes | Yes | Yes | Yes | Yes |
| Collapsible | |||||
| — | Yes | Yes | Yes | — | — |
| Carrying Case/Pouch | |||||
| — | 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.