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Open-Back HeadphonesGET 18% GST INPUT
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ICICI Bank
3
Low Cost EMI
₹ 10,264
₹ 803
₹ 647
6
Low Cost EMI
₹ 5,234
₹ 1,414
₹ 1,144
9
15.99%
₹ 3,558
₹ 2,033
12
15.99%
₹ 2,721
₹ 2,661
18
15.99%
₹ 1,885
₹ 3,939
24
15.99%
₹ 1,468
₹ 5,248
HDFC Bank
3
Low Cost EMI
₹ 10,264
₹ 803
₹ 647
6
Low Cost EMI
₹ 5,234
₹ 1,415
₹ 1,144
9
16%
₹ 3,558
₹ 2,035
12
16%
₹ 2,721
₹ 2,662
18
16%
₹ 1,885
₹ 3,941
24
16%
₹ 1,468
₹ 5,252
SBI Bank
3
Low Cost EMI
₹ 10,273
₹ 828
₹ 666
6
Low Cost EMI
₹ 5,219
₹ 1,326
₹ 1,068
9
15%
₹ 3,544
₹ 1,905
12
15%
₹ 2,707
₹ 2,492
18
16%
₹ 1,885
₹ 3,941
24
16%
₹ 1,468
₹ 5,252
Axis Bank
3
Low Cost EMI
₹ 10,264
₹ 803
₹ 647
6
Low Cost EMI
₹ 5,234
₹ 1,415
₹ 1,144
9
16%
₹ 3,558
₹ 2,035
12
16%
₹ 2,693
₹ 2,323
18
16%
₹ 1,885
₹ 3,941
24
16%
₹ 1,468
₹ 5,252
Other EMI Options through Credit Cards
Citi Bank
3
14%
₹ 10,231
₹ 702
6
14%
₹ 5,204
₹ 1,236
9
16%
₹ 3,558
₹ 2,035
12
16%
₹ 2,721
₹ 2,662
18
16%
₹ 1,885
₹ 3,941
24
16%
₹ 1,468
₹ 5,252
Kotak Mahindra Bank
Tenure
Interest%
Installment
Interest
3
16%
₹ 10,264
₹ 803
6
16%
₹ 5,234
₹ 1,415
9
16%
₹ 3,558
₹ 2,035
12
16%
₹ 2,721
₹ 2,662
18
16%
₹ 1,885
₹ 3,941
24
16%
₹ 1,468
₹ 5,252
RBL Bank
3
13%
₹ 10,214
₹ 652
6
14%
₹ 5,204
₹ 1,236
9
15%
₹ 3,544
₹ 1,905
12
15%
₹ 2,707
₹ 2,492
18
15%
₹ 1,871
₹ 3,687
24
15%
₹ 1,454
₹ 4,909
Standard Chartered Bank
3
13%
₹ 10,214
₹ 652
6
13%
₹ 5,190
₹ 1,147
9
14%
₹ 3,530
₹ 1,776
12
14%
₹ 2,693
₹ 2,323
INDUSIND Bank
3
14%
₹ 10,231
₹ 702
6
14%
₹ 5,204
₹ 1,236
9
15%
₹ 3,544
₹ 1,905
12
15%
₹ 2,707
₹ 2,492
18
15%
₹ 1,871
₹ 3,687
24
15%
₹ 1,454
₹ 4,909
HSBC Bank
3
12.50%
₹ 10,206
₹ 627
6
12.50%
₹ 5,182
₹ 1,103
9
13.50%
₹ 3,522
₹ 1,712
12
13.50%
₹ 2,686
₹ 2,238
18
13.50%
₹ 1,850
₹ 3,307
YES Bank
3
13%
₹ 10,214
₹ 652
6
13%
₹ 5,190
₹ 1,147
9
14%
₹ 3,530
₹ 1,776
12
14%
₹ 2,693
₹ 2,323
18
15%
₹ 1,871
₹ 3,687
24
15%
₹ 1,454
₹ 4,909
Bank of Baroda
3
13%
₹ 10,214
₹ 652
6
14%
₹ 5,204
₹ 1,236
9
14%
₹ 3,530
₹ 1,776
12
15%
₹ 2,707
₹ 2,492
18
15%
₹ 1,871
₹ 3,687
24
16%
₹ 1,468
₹ 5,252
American Express
3
14%
₹ 10,231
₹ 702
6
14%
₹ 5,204
₹ 1,236
9
14%
₹ 3,530
₹ 1,776
12
14%
₹ 2,693
₹ 2,323
18
15%
₹ 1,871
₹ 3,687
24
15%
₹ 1,454
₹ 4,909
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Why Sennheiser is Special
Designed in Germany
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.
Revered by Audiophiles
Audiophiles can be really picky 😤, and if the audiophile community says something sounds good, you can bet it's exceptional! I believe that earning audiophile reverence is like getting a standing ovation from music critics - it doesn't happen unless you've truly achieved something special. This audio gear has earned widespread acclaim from audiophiles worldwide, a community renowned for exacting standards and unwavering commitment to high-fidelity reproduction.
These discerning enthusiasts particularly value its extraordinary precision in sound reproduction and remarkable capability to create thoroughly immersive listening experiences. The audiophile community's endorsement carries significant weight because of their extensive experience with high-end equipment 🏆.
When you see "🙌🏻 Revered by Audiophiles" products, expect audiophile-grade excellence that satisfies even the most demanding listeners and consistently exceeds the highest standards.
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 1945
Why we love this Headphone
Premium Economy
Sensible spending meets sophisticated quality in perfect harmony 💫.
I tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices - you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.
This thoughtfully curated selection demonstrates our commitment to bringing you outstanding sound quality and robust construction without requiring a significant financial investment. Each product has been meticulously evaluated to ensure it delivers performance characteristics typically associated with higher price brackets.
When you see "💎 Premium Economy" products, expect refined audio experiences that bridge the gap between entry-level and high-end offerings, delivering impressive clarity and features at accessible price points.
Serious Audiophiles Only
For those who have ventured deep into high-fidelity audio 🎯, the pursuit of sonic excellence becomes an endless journey of discovery and refinement. I believe that serious audiophiles demand equipment that can satisfy the most exacting standards and deliver performance that pushes boundaries. These products represent the pinnacle of acoustic engineering, incorporating advanced technologies and meticulous craftsmanship that enable them to reproduce music with utmost fidelity.
Each product has undergone rigorous evaluation to ensure it delivers exceptional performance that discerning listeners demand, from precise frequency response to impeccable detail retrieval and sophisticated sound staging. These devices incorporate premium components and engineering excellence that justify their position at the apex of audio performance.
When you encounter "🦈 Serious Audiophiles Only" products, expect uncompromising performance that satisfies the most demanding requirements and elevates critical listening to new heights.
Great for Studio & Professionals
When excellence is non-negotiable and precision is paramount 🎯, these audio solutions stand ready to meet the demanding standards of professional environments. I've found that studio work requires headphones that tell you the absolute truth about your audio - no sugar-coating, no flattery. These products deliver exceptional accuracy and outstanding detail retrieval with the unwavering reliability that professional audio work demands. Think of them as your honest audio advisor who never lies about what's really happening in your mix.
Whether you're recording, mixing, or engaged in critical listening sessions, these professional-grade solutions provide the clarity and precision needed to make informed decisions. The balanced frequency response and superior noise isolation create an ideal environment for professional audio work 🎚️.
When you see "🎙️ Great for Studio & Professionals" products, expect uncompromising precision and industry-leading performance that brings your creative projects to life.
4.4mm Balanced Plug
Upgradeable Cable
Not satisfied with the current cable? No problem 🔧!
I believe in giving you complete freedom to customise your listening experience. These IEMs feature detachable cable systems that let you swap, upgrade, or replace cables whenever you want. Think of it like having a modular smartphone - you can upgrade individual components without replacing the whole device. Whether you're looking to improve sound quality, try different materials, or simply replace a worn cable, the choice is entirely yours.
The standardised upgradeable cable connection ensures compatibility with a wide range of aftermarket cables, giving you access to different sound characteristics and build qualities. This modular approach means your IEMs can evolve with your audio journey, allowing for easy maintenance and personalisation.
When you spot "🔌 Upgradeable Cable" products, expect future flexibility and the freedom to customise your audio experience through cable upgrades and replacements.
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.
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. 🎧
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.
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.
Needs Amplification
I tend to say this when a headphone or DAC just doesn’t wake up unless it’s got some real juice behind it. Think of it like a sports car that needs the right kind of fuel—without enough power, it won’t go anywhere near top speed. Some gear, especially those with high impedance or low sensitivity, demands a dedicated amplifier to reach its full potential.
Here's the trade-off: these headphones or IEMs may sound underwhelming straight out of a phone or laptop, but when paired with proper gear, they transform dramatically. You get tighter bass, better control, and improved resolution.
If you’ve got a power-hungry planar or a studio-grade headphone, investing in a portable or desktop amp will unlock nuance, dynamics, and depth that you’re otherwise missing out on. ⚡
Don't know what to pair it with?
Save with these Expertly Curated Bundles
Pair With a Hi-Res DAC for audiophile-grade sound
Pair With an even better DAC for a detailed audio presentation
Pair With a Balanced DAC for wider separation and tighter bass
Presenting The All-New HD 660S2, A Definitive Upgrade To The Legendary HD 660S














Snug Fit
Sennheiser HD 660S2 is equipped with velour ear pads for a comfortable and snug fit.
Adjustable Headband
Sennheiser HD 660S2 features a soft padded and adjustable headband to deliver a comfortable music listening experience.
Detachable Cable
Sennheiser HD 660S2 comes bundled with 2 high-quality detachable cables to upgrade cables easily.

Accessories to Get you Started

6.35mm (Single-Ended)
3.5mm (Single-Ended)
2. 6.3 mm Cable (1.8 m), 3. 4.4 mm Cable (1.8 m)
4. 6.3mm to 3.5mm Adapter
5. Carry Pouch
Don't sweat it, this
Sennheiser - HD 660S2 comes with a 2 Year warranty
from Sennheiser that covers manufacturing defects.
All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about Sennheiser's warranty in India.

Specifically: it’s built for sound quality only, so there’s little in the way of advanced features or frills, instead focusing on comfort and performance above any other concern.
In a word, the sound is effortless. It just springs forth and gently bathes you in its detail, instead of pummeling you, which is a possible side effect of closed-back headphones.
The S2 has smooth and delicious treble for high hats and higher pitched instruments. It's done completely different compared to the 600, 660S and 560S. And it's realism.
The coil matches the 300-ohm impedance of the HD 600 & HD 650. This new coil provides higher magnetic force and electrical dampening for cleaner impulse response.
The Sennheiser HD 660S2 are very good for neutral sound. They have a warm sound profile and, despite being open-back, pack more thump and rumble than their predecessor.
The waiting is finally over, as clearly HD660S2 aren’t only bassier, deeper, and punchier sounding than any other cans from the HD6XX lineup.
Flat: Designed for studio professionals for critical reference monitoring.
Flat: Designed for studio professionals for critical reference monitoring.
Flat: Designed for studio professionals for critical reference monitoring.
38mm Dynamic Drivers
42mm Dynamic Drivers
42mm Dynamic Drivers
Open-Back
Open-Back
Open-Back
300 Ohms
300 Ohms
300 Ohms
The Sennheiser HD 660S2 provides an effortless listening experience. If you have a preference for acoustic or vocal-focused music, these over-ear headphones are likely to satisfy your tastes. The quality of the midrange alone might be enough to make the purchase worthwhile, but what distinguishes them is the notable bass presence, making them a compelling option for an upgrade.
This headphone is a classic. The Sennheiser HD650 isn't a new headphone, but it's still a favourite amongst audiophiles. The sound signature can be best described as 'reference grade' because so many people over the years have used this as a benchmark for use in the studio and at home. Pair it with a decent tube amplifier to hear it sing.
Sennheiser HD 660 S2 Headphones, 6.3 Mm Cable (1.8 M), 4.4 Mm Cable (1.8 M), 6.3mm To 3.5mm Adapter, Carry Pouch
Sennheiser HD 650 Headphones, Detachable Cable, Stereo 1/4" To 3.5mm Adapter
Sennheiser HD 600 Headphones, 1 Adaptor To 1/4" (6.3 Mm) Stereo Jack Plug
104 DB (1 KHz, 1 Vrms)
103dB
97 DB At 1 Vrms
3.5mm, 4.4mm, 6.3mm
6.35mm
3.5mm, 6.3mm
Have a question? Get in touch!
Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

What is the warranty period on the Sennheiser HD 660S2 and how do I claim warranty?
What type of transducers does the Sennheiser HD 660S2 use?
Is an amplifier required for the Sennheiser HD 660S2?
Can I use the Sennheiser HD 660S2 for gaming?
What types of cables are included with the Sennheiser HD 660S2?
6.3mm single-ended cable 4.4mm balanced cable 6.3mm to 3.5mm adapter
What is the impedance of the Sennheiser HD 660S2?

Other Details
Generic Name | Headphones |
Country Of Origin | Ireland |
Importer Details | Sennheiser Electronics India Pvt. Ltd. Address: 104 A, B, C, First Floor, Time Tower, M.G. Road, Sector-28,Gurugram,Haryana-122002 Contact No: 1800 22 3632 |
Net Quantity | 1 |
Package Contents | Sennheiser HD 660S2 6.3 mm Cable (1.8 m), 3. 4.4 mm Cable (1.8 m) 6.3mm to 3.5mm Adapter Carry Pouch |