Koss - KSC35 (Unboxed)

Ear-Clip Headphone

Sale price₹ 2,999 Regular priceMRP: ₹ 6,999
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Choose an Option: 🤑 Unboxed
What does Unboxed mean?
Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.
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Why Koss is Special

🇺🇸

Designed in USA

🎖️ Established & Reputed

Trust us, our reputation speaks for itself 🏆!


I believe that when a brand has decades of proven excellence, you can invest with confidence knowing your purchase is backed by years of audio engineering expertise. These products come from manufacturers with extensive histories of innovation and unwavering commitment to sonic excellence. Think of them like luxury watch brands - their reputation has been earned through decades of consistent quality and innovation.


With their extensive history of innovation and countless satisfied customers worldwide, you can be confident your investment is backed by proven audio engineering expertise and industry leadership 📈.


When you see "🎖️ Established & Reputed" products, expect time-tested excellence from manufacturers who've consistently demonstrated mastery in audio engineering for generations.

🌟 Specialist

A masterpiece from experts who know audio inside and out 🔧!


I tend to describe specialist manufacturers as "audio artisans" who focus exclusively on perfecting specific categories of equipment. These products are meticulously crafted by dedicated experts who possess deep knowledge of sound reproduction, ensuring every technical aspect is refined to perfection. Think of them like master craftsmen who spend their entire careers perfecting one specific skill - their focused expertise shows in every detail.


These dedicated experts bring years of specialised knowledge to the design process, resulting in products that consistently achieve exceptional performance standards through focused engineering excellence 🎯.


When you see "🌟 Specialist" products, expect focused expertise from manufacturers who dedicate their entire efforts to perfecting specific audio equipment categories.

🐣

Born in 1958

Why we love this Headphone

🥜 Value for Money

I've found that the best gear isn’t always the most expensive. Some products punch well above their weight and deliver performance that rivals higher-priced alternatives. That’s what we mean with the "Value for Money" badge. It’s our way of telling you that you’re getting something special without breaking the bank. 🥜


These products are all about maximum returns for minimal investment. You’re not just saving money — you’re gaining an audio experience that exceeds expectations. Whether it’s build quality, tuning, or bundled accessories, these picks overdeliver.


When you see '🥜 Value for Money' products, expect impressive performance at an affordable price, making them a smart pick for budget-conscious buyers or first-time audiophiles.

🌱 Ideal for Beginners

Lost in the vast world of audio equipment?


Don't worry, we're here to guide you 🤝! I believe that everyone's audiophile journey should start with something approachable and welcoming. These carefully selected products serve as the perfect entry point into high-quality sound, specifically chosen to help you navigate through sometimes overwhelming technical options. Think of them as your friendly neighbourhood guide who knows exactly where to start without getting lost in complex specifications.


These products strike an ideal balance between quality and accessibility, featuring user-friendly designs and straightforward functionality. They're specifically selected as the perfect starting point for your audiophile journey, offering serious performance without intimidating complexity or premium pricing that might discourage exploration.


When you encounter "🌱 Ideal for Beginners" products, expect approachable excellence - these are your stepping stones into the world of premium audio, designed to grow with your developing appreciation for great sound.

🛺 For Audiophiles On-the-Go

In my experience, finding great audio gear that performs well on the move is like discovering a powerful sports car that’s also fuel efficient. Products marked For Audiophiles On-the-Go are designed to deliver remarkable sound quality without weighing you down. Whether you’re commuting, working remotely, or just travelling light, these products offer the perfect balance of portability and performance 🚶‍♂️.


What makes them special? They’re often compact, lightweight, and built with battery-efficient components that don’t compromise on sonic detail. From portable DAC/Amps to foldable headphones and wireless IEMs, this category is for those who demand great sound anytime, anywhere — no bulky setups or power bricks required.


When you see '🛺 For Audiophiles On-the-Go' products, expect: pocket-friendly size, reliable battery life, and premium sound wherever life takes you — ideal for travel, work, or daily use.

Why it Sounds Amazing

🔈 Dynamic Driver

The dynamic powerhouse of your sound ⚡!


I believe dynamic drivers are like the "reliable workhorses" of the headphone world - they've been perfected over decades and continue to deliver incredible performance. This driver design uses a lightweight diaphragm attached to a voice coil suspended within a permanent magnetic field, enabling precise and responsive movement that produces sound with remarkable efficiency. Think of them like precision engines that convert electrical energy into acoustic energy with impressive power and naturalness.


Dynamic drivers excel at delivering powerful and authoritative bass reproduction, clear midrange frequencies, and vibrant high frequencies. The inherent strengths ensure your music is reproduced with impressive dynamics and energy that stays true to the artist's intent 🎶.


When you see "🔈 Dynamic Driver" products, expect energetic, natural sound with excellent dynamics that bring every note and beat to life with exceptional realism.

☀️ Bright Sound Signature

In my experience, a bright sound signature feels like turning up the contrast on a photograph—everything becomes sharper, clearer, and more vivid. 🎨 If you love hearing every detail in a track—from cymbal crashes to breathy vocals—this tuning is where the magic lies. Bright headphones are often a go-to for instrumental, classical, or acoustic music where high-end clarity matters most. 🎻


What’s really happening is that the treble frequencies are boosted, adding crispness, sparkle, and airiness to your sound. This tuning can reveal nuances that often go unnoticed, making music sound more “alive.” But here’s the trade-off: with poor recordings or high volumes, bright headphones can sound fatiguing or even a little harsh. Still, when paired well, they’re unmatched for detail retrieval and transparency.

🍿 Crisp Vocals & Instruments

Vocals and instruments sound so good, it's like a warm hug 🤗!


I believe that when vocals are reproduced correctly, they should feel like the artist is performing right there with you. These headphones demonstrate exceptional prowess in reproducing clear, articulate vocals and instruments, with each element rendered in stunning detail and separation. Think of it like having front-row seats to an intimate acoustic performance where every breath, every string resonance, every subtle inflection comes through perfectly.


The natural timbre and tonal accuracy create an engaging presentation where every nuance is preserved while maintaining fatigue-free listening. Each word, note, and subtle inflection is reproduced with outstanding definition and emotional connection 🎤.


When you encounter "🍿 Crisp Vocals & Instruments" products, expect vocal excellence that brings you closer to the emotional heart of every performance.

📌 Sharp & Precise Details

Are you a lover of sharp and precise details 🔍?


I believe that detail retrieval is like having audio superpowers - suddenly, you hear things in familiar songs that you never knew existed. These premium headphones are meticulously engineered to deliver remarkably detailed and precise sound reproduction, capturing every subtle nuance with exceptional accuracy. Think of them like high-resolution cameras for your ears that reveal the finest textures and micro-details that most headphones simply miss.


The carefully tuned drivers and advanced acoustic design ensure even the most delicate musical elements are reproduced with stunning precision. From the gentle brush of a cymbal to the subtle resonance of acoustic instruments, these products capture and present every sonic detail with remarkable accuracy 🎯.


When you see "📌 Sharp & Precise Details" products, expect extraordinary detail resolution that reveals new layers in familiar recordings with stunning clarity and precision.

😳 Ultra-Wide Sound Stage

Do you wish to bring the concert hall to your ears 🏛️?


I love describing ultra-wide soundstage as "audio magic" that creates a breathtaking three-dimensional environment around your head. These specialised headphones feature an exceptionally spacious soundstage that creates the illusion you're sitting in the sweet spot of a magnificent performance venue. Think of it like teleportation technology for your ears - suddenly you're not wearing headphones, you're sitting in Carnegie Hall with perfect acoustics.


The precise instrument placement and remarkable sense of space work together to transport you directly into the music, making you feel as though you're experiencing a live performance. This creates a listening experience that's grand, enveloping, and incredibly detailed 🎭.


When you encounter "😳 Ultra-Wide Soundstage" products, expect concert hall acoustics that make you forget you're wearing headphones through sheer spaciousness and realism.

🔍 Perfect to Analyse Music

Delve deeper into intricate musical layers 🎼!


I believe that some headphones are like musical microscopes - they reveal details and nuances that most people never even know exist in their favourite songs. These specialised audio tools are meticulously engineered for those who seek to explore the deepest intricacies of sound, offering exceptional precision for detailed music analysis. Think of them as detective tools for music that help you uncover every hidden element in complex compositions.


These products enable you to dissect and examine every aspect of the musical landscape, from subtle instrument textures to precise timing, from delicate vocal overtones to intricate harmonic layering. They're specifically crafted for musicians, producers, and discerning audiophiles who desire profound insights into technical and artistic elements 🔬.


When you encounter "🔍 Perfect to Analyse Music" products, expect analytical precision that reveals layers of detail and musical craftsmanship you never knew existed.

Headphone Zone Certified Unboxed Units

Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.

Customer Returns

Returned headphones are fully functional products that have left the warehouse and therefore can no longer be sold as new as their packaging has been opened. The product may have been used once or twice by the customer who returned it.

Transit Damages

Sometimes we receive headphones in damaged packaging due to shipping accidents. These are brand new headphones with cosmetic flaws on the packaging.



Save Upto 15%

Since you won't get the original packaging, we give you a good discount compared to a new headphone.

Professionally Inspected

A thorough inspection means you receive a 100% working headphone with no sound output issues.

Original Warranty

All unboxed headphones carry the same warranty period as a brand new headphone would.

Unbiased Customer Service

We have the same Headphone Zone customer support experience for Unboxed Products or new products.

Unchanged Replacement Policy

Received a defective Unboxed unit? Return it under our Replacement Policy.

All Original Accessories

The unboxed headphones itself comes with all original accessories.

Koss Presents The Perfect Ear Clip Headphones For Travelling Audiophiles - The KSC35

Koss introduces the ear clip headphone, the KSC35 equipped with a high-performance dynamic driver for excellent audio reproduction. It is meticulously designed with a pivoting ear plate and foam ear cushions for a comfortable listening experience. Its compact size allows you to carry it anywhere. Koss KSC35 delivers impressive audio with utmost comfort for an enhanced music listening experience.

Equipped With Dynamic Driver And Hi-End Components For Refined Audio

Koss KSC35 delivers outstanding sound quality. It houses a dynamic driver for audio with low distortion. This configuration provides high-resolution audio across frequencies and high-fidelity sound quality even with low-voltage portable devices.

Equipped With Dynamic Driver And Hi-End Components For Refined Audio

Koss KSC35 delivers outstanding sound quality. It houses a dynamic driver for audio with low distortion. This configuration provides high-resolution audio across frequencies and high-fidelity sound quality even with low-voltage portable devices.

Meticulously Designed With Pivoting Ear Plates

Koss KSC35 is meticulously designed with high-quality materials to ensure durability and reliability. It features pivoting ear plates that allow you to adjust the headphones for your comfort.

Comes Bundled With High-Quality Cable With 3.5mm Termination

Koss KSC35 comes bundled with a 4ft cable featuring high-quality materials for clean data transmission and a 3.5mm termination that allows you to connect with various devices.

Experience Comfortable Wearing Experience With Soft Foam Earpads

Koss KSC35 features soft foam earpads that relieve pressure on the ears and allow you to hear the ambient sound to keep them aware of their surroundings and offer a comfortable fit.

Meticulously Designed With Pivoting Ear Plates

Koss KSC35 is meticulously designed with high-quality materials to ensure durability and reliability. It features pivoting ear plates that allow you to adjust the headphones for your comfort.

Comes Bundled With High-Quality Cable With 3.5mm Termination

Koss KSC35 comes bundled with a 4ft cable featuring high-quality materials for clean data transmission and a 3.5mm termination that allows you to connect with various devices.

Experience Comfortable Wearing Experience With Soft Foam Earpads

Koss KSC35 features soft foam earpads that relieve pressure on the ears and allow you to hear the ambient sound to keep them aware of their surroundings and offer a comfortable fit.


Driver
Dynamic Driver
Impedance
60 ohms
Microphone
Without Mic
Plug
3.5mm (Single-Ended)
Sensitivity
101 dB SPL/1mW
Frequency Response
15-25,000 Hz


Other Details


Generic Name Headphone
Importer Details Importers Name: Ferrari Video
Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020
Contact No: 044-24420733
Net Quantity 1
Package Contents Koss KSC35


1 Year Warranty

Don't sweat it, this Koss - KSC35 (Unboxed) comes with a 1 Year warranty from Koss that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about Koss's warranty in India.

Pioneering Sound Innovation Since 1953

In 1958, founder John C. Koss and engineer Martin Lange, Jr. introduced the world’s first stereo headphones - the SP/3, revolutionising personal audio by allowing private listening in true stereo. This groundbreaking invention launched the headphone industry and established Koss as a pioneer in high-fidelity sound. Still family-run and based in Milwaukee, Koss continues to innovate with iconic models like the Pro4/AA and Porta Pro, celebrated for their quality and lasting impact.

Fun Fact : Koss headphones were part of the communication system on NASA's Apollo missions, making them part of history in space exploration.

Explore Collection
The bass is extremely strong and the highs and mids are very well covered. The 35s are pretty well balanced and the way they fit your ears really helps this.
The headphones are still very light and stay in place more securely than the KSC75s, which makes them more suitable for use while jogging or even walking.
Headphone-Zone-Koss-KSC35
Koss - KSC35 Ear-Clip Headphone Sale price₹ 3,499 Regular price₹ 6,999
Koss - KSC75
Koss - KSC75 Open-Back Headphones Sale price₹ 1,999 Regular price₹ 3,999
#color_black
Koss - KSC21 Ear-Clip Headphones Sale price₹ 1,299 Regular price₹ 1,499
Headphone-Zone-Koss-KSC35
Koss - KSC35 Ear-Clip Headphone Sale price₹ 3,499 Regular price₹ 6,999
Koss - KSC75
Koss - KSC75 Open-Back Headphones Sale price₹ 1,999 Regular price₹ 3,999
#color_black
Koss - KSC21 Ear-Clip Headphones Sale price₹ 1,299 Regular price₹ 1,499
Driver Configuration

Dynamic Driver

Dynamic Driver

Dynamic Driver

Sound Signature

☀️ Bright Sound Signature

☀️ Bright Sound Signature

☀️ Bright Sound Signature

Sound Notes

🍿 Crisp Vocals & Instruments
📌 Sharp & Precise Details
😳 Ultra-Wide Sound stage

🍿 Crisp Vocals & Instruments
📌 Sharp & Precise Details
😳 Ultra-Wide Sound stage

😳 Ultra-Wide Sound stage
🍿 Crisp Vocals & Instruments
📌 Sharp & Precise Details

Plug

3.5mm (Single-Ended)

3.5mm (Single-Ended)

3.5mm (Single-Ended)

In The Box

1. Koss KSC35

1. Koss KSC75

1. Koss KSC21



Have a question? Get in touch!

Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

Our customer support is available Monday to Friday: 11am-6pm.Average answer time: 2-3 Hours

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  • Ideal for Beginners

    Lost in the vast world of audio equipment?


    Don't worry, we're here to guide you 🤝! I believe that everyone's audiophile journey should start with something approachable and welcoming. These carefully selected products serve as the perfect entry point into high-quality sound, specifically chosen to help you navigate through sometimes overwhelming technical options. Think of them as your friendly neighbourhood guide who knows exactly where to start without getting lost in complex specifications.


    These products strike an ideal balance between quality and accessibility, featuring user-friendly designs and straightforward functionality. They're specifically selected as the perfect starting point for your audiophile journey, offering serious performance without intimidating complexity or premium pricing that might discourage exploration.


    When you encounter "🌱 Ideal for Beginners" products, expect approachable excellence - these are your stepping stones into the world of premium audio, designed to grow with your developing appreciation for great sound.

  • Incredibly Popular

    Some things deserve all the attention ⭐!


    I've found that when something becomes incredibly popular in the audio world, it's usually for very good reasons. This exceptional audio gear has earned widespread popularity by consistently delivering outstanding performance that resonates with listeners across diverse preferences and experiences. Think of it like that blockbuster movie that everyone loves - sometimes, universal appeal indicates genuine quality rather than just marketing hype.


    The widespread acclaim isn't just about trend or marketing - it's a testament to genuine quality and performance that has been consistently demonstrated through real-world usage. This popularity has been earned through merit, delivering reliable satisfaction to countless users 📈.


    When you encounter "🥇 Incredibly Popular" products, expect proven excellence validated by the collective experience of satisfied users who've made these their go-to choice.

  • Flat Sound Signature

    I tend to describe a flat sound signature as the “studio monitor” of headphones—what goes in is what comes out. 🎚️ There’s no added flavour or colouration; it’s a true-to-source representation. Audiophiles and sound engineers who value neutrality and precision often gravitate toward this kind of tuning.


    Here’s what’s actually happening: the entire frequency response is tuned to be as even as possible, so bass, mids, and treble are all balanced without any emphasis. This makes flat-sounding gear ideal for critical listening, mixing, or mastering, where accuracy matters more than excitement. But for casual listeners, it might feel a bit “boring.” That said, a well-done flat tuning can reveal the soul of a song like no other. 🎧

  • Sharp & Precise Details

    Are you a lover of sharp and precise details 🔍?


    I believe that detail retrieval is like having audio superpowers - suddenly, you hear things in familiar songs that you never knew existed. These premium headphones are meticulously engineered to deliver remarkably detailed and precise sound reproduction, capturing every subtle nuance with exceptional accuracy. Think of them like high-resolution cameras for your ears that reveal the finest textures and micro-details that most headphones simply miss.


    The carefully tuned drivers and advanced acoustic design ensure even the most delicate musical elements are reproduced with stunning precision. From the gentle brush of a cymbal to the subtle resonance of acoustic instruments, these products capture and present every sonic detail with remarkable accuracy 🎯.


    When you see "📌 Sharp & Precise Details" products, expect extraordinary detail resolution that reveals new layers in familiar recordings with stunning clarity and precision.

  • Layered and Nuanced Sound

    Imagine sitting in the second row of a grand music hall 🎼, where each instrument's placement creates a vivid sonic landscape before you. I believe these headphones recreate that precise spatial positioning, allowing you to distinctly perceive where each instrument would be on an imaginary stage. Think of it like watching an orchestra conductor - you can follow each section independently while appreciating how they work together in perfect harmony. The layered presentation ensures every element occupies its own distinct space while contributing to the whole.


    This audio equipment creates a detailed listening experience where musical notes, overtones, and reverberations shine through clearly, keeping complex passages distinct and well-separated. The tuning excels at revealing subtle interplay between instruments and the natural ambiance of recording spaces 🎯.


    When you see "🍰 Layered and Nuanced Sound" products, expect intricate soundscapes that reveal the depth, complexity, and artistry in your favorite music with exceptional clarity.

  • Perfect to Analyse Music

    Delve deeper into intricate musical layers 🎼!


    I believe that some headphones are like musical microscopes - they reveal details and nuances that most people never even know exist in their favourite songs. These specialised audio tools are meticulously engineered for those who seek to explore the deepest intricacies of sound, offering exceptional precision for detailed music analysis. Think of them as detective tools for music that help you uncover every hidden element in complex compositions.


    These products enable you to dissect and examine every aspect of the musical landscape, from subtle instrument textures to precise timing, from delicate vocal overtones to intricate harmonic layering. They're specifically crafted for musicians, producers, and discerning audiophiles who desire profound insights into technical and artistic elements 🔬.


    When you encounter "🔍 Perfect to Analyse Music" products, expect analytical precision that reveals layers of detail and musical craftsmanship you never knew existed.

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