Price observed . Amazon shows the live price.
Amazon lists it at $679.95, 29% off. That figure is Amazon's, not a price we have recorded.
Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance
Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance, Over-Ear Headphones for PC, Music, Gaming, Podcasts, Premium Black
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The Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance was $479.95 when we checked it on 2026-10-12. The median of the 10 prices we have recorded for it is $433.28.
About this item Audiophile-Grade Open-Back Sound: These Sennheiser over the ear headphones provide a natural, high-fidelity sound with a spacious soundstage. The over the head HiFi headphones are great for immersive music experiences and long listening sessions Precise Highs & Deep Sub-Bass: Sennheiser open back headphones HD660S2 with ultra-light aluminum voice coil & 42mm transducers deliver detailed highs, rich mids, & deep, controlled bass. Overhead headphones are great for gamers, professionals, podcasters Powerful Low-End Performance: These wired over ear head phones let you feel every note from piano lows (27.5 Hz) to bass drums (45-60 Hz) with clarity and precision, whether it is for gaming sessions, listening to music, or for desktop use Exceptional Comfort: Open-back design with
Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance price history
10 weekly checks of our own, from 2026-08-12 to 2026-10-12. How our price tracking works
Lowest
$433.28
Aug 12, 2026
Typical
$433.28
median of 10 weekly checks
Highest
$499.00
Oct 1, 2026
Latest
$479.95
checked Oct 12, 2026
Typical price is the median of the 10 weekly checks we have taken, not the manufacturer list price. Every discount figure on this site is measured against it.
Every observation (10)
| Date | Price | Source |
|---|---|---|
| Aug 12, 2026 | $433.28 | Weekly check |
| Aug 17, 2026 | $433.28 | Weekly check |
| Aug 24, 2026 | $433.28 | Weekly check |
| Aug 31, 2026 | $433.28 | Weekly check |
| Sep 7, 2026 | $433.28 | Weekly check |
| Sep 14, 2026 | $433.28 | Weekly check |
| Sep 21, 2026 | $433.28 | Weekly check |
| Oct 1, 2026 | $499.00 | Weekly check |
| Oct 5, 2026 | $499.00 | Weekly check |
| Oct 12, 2026 | $479.95 | Weekly check |
About this item
- Audiophile-Grade Open-Back Sound: These Sennheiser over the ear headphones provide a natural, high-fidelity sound with a spacious soundstage. The over the head HiFi headphones are great for immersive music experiences an
- Precise Highs & Deep Sub-Bass: Sennheiser open back headphones HD660S2 with ultra-light aluminum voice coil & 42mm transducers deliver detailed highs, rich mids, & deep, controlled bass. Overhead headphones are great for
- Powerful Low-End Performance: These wired over ear head phones let you feel every note from piano lows (27.5 Hz) to bass drums (45–60 Hz) with clarity and precision, whether it is for gaming sessions, listening to music,
- Exceptional Comfort: Open-back design with breathable, plush ear cushions ensures fatigueless listening during long sessions, making them audiophile headphones that have a comfortable fit and can work for music listeners
- Premium Build Quality: Sennheiser HD 660S2 audiophile headphones are crafted with expertly crafted materials in Germany & Ireland for durability, elegance, and long-lasting performance, making them head phones over ear f
Details
- Brand Name
- Sennheiser
- Model Number
- 700240
- Model Name
- HD 660S2
- Item Weight
- 0.3 kg
- Impedance
- 300 ohm
- Audio Driver Type
- Dynamic Driver
- Audio Driver Size
- 42 millimeters
Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance: common questions
Is the Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance worth it?
About this item Audiophile-Grade Open-Back Sound: These Sennheiser over the ear headphones provide a natural, high-fidelity sound with a spacious soundstage. The over the head HiFi headphones are great for immersive music experiences and long listening sessions Precise Highs & Deep Sub-Bass: Sennheiser open back headphones HD660S2 with ultra-light aluminum voice coil & 42mm transducers deliver detailed highs, rich mids, & deep, controlled bass. Overhead headphones are great for gamers, professionals, podcasters Powerful Low-End Performance: These wired over ear head phones let you feel every note from piano lows (27.5 Hz) to bass drums (45-60 Hz) with clarity and precision, whether it is for gaming sessions, listening to music, or for desktop use Exceptional Comfort: Open-back design with Its Amazon listing shows 4.5 out of 5 stars across 796 ratings, which is the retailer's figure and not our verdict.
How much does the Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance cost?
The Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance was $479.95 when we checked it on 2026-10-12. The median of the 10 prices we have recorded for it is $433.28. Amazon lists it at $679.95, a price we have never recorded ourselves. Prices change often, so the live retailer link carries the current number.
Is now a good time to buy the Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance?
At $479.95 the Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance is about 11 percent above the median of the 10 prices we have recorded for it, $433.28. The lowest we have seen is $433.28 on 2026-08-12, so waiting for a repeat of that would save roughly $46.67.
What is the lowest price the Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance has been?
The lowest price on our record for the Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance is $433.28 on 2026-08-12, and the highest is $499 on 2026-10-01. That record is 10 weekly checks we took ourselves.
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