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🎶 Elevate your audio game — hear what others miss, feel what others don’t.
The Sennheiser HD 660S2 wired audiophile headphones combine a 42mm dynamic driver with a 300-ohm ultra-light aluminum voice coil and an advanced vented magnet system to deliver natural, high-fidelity sound with extended deep sub bass. Designed for comfort with velour earpads and an open-back design, these headphones offer exceptional precision, minimal distortion, and fatigue-free listening, making them ideal for music lovers, gamers, and streamers seeking immersive, studio-quality audio.






| ASIN | B0BRT1ZN7Q |
| Additional Features | stereo pairing |
| Age Range Description | Adult |
| Antenna Location | music |
| Audio Driver Size | 42 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #5,075 in Electronics ( See Top 100 in Electronics ) #106 in Over-Ear Headphones |
| Bluetooth Version | 5 |
| Brand | Sennheiser Consumer Audio |
| Built-In Media | HD 660S2 headphones, 6.3 mm cable (1.8 m), 4.4 mm cable (1.8 m), 6.3 mm to 3.5 mm adapter, Carry pouch |
| Cable Features | Detachable |
| Color | black |
| Colour | black |
| Compatible Devices | Smartphone |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Media Control |
| Customer Package Type | Protective delivery packaging with a portable carry pouch |
| Customer Reviews | 4.5 out of 5 stars 729 Reviews |
| Ear placement | Over Ear |
| Earpiece Shape | over_ear |
| Enclosure Material | Aluminum |
| External Testing Certification | nao aplicavel |
| Form factor | Over Ear |
| Frequency Range | 8 Hz - 41.5 kHz |
| Global Trade Identification Number | 00810091270370, 04260752330374 |
| Headphone Folding Features | Over Ear |
| Headphone Jack | 1/4 inch TRS, 4.4 mm TRRRS |
| Headphones Ear Placement | Over Ear |
| Impedance | 300 Ohms |
| Item Weight | 0.3 Kilograms |
| Manufacturer | Sonova |
| Model Name | HD 660S2 |
| Model Number | 700240 |
| Noise Control | Sound Isolation |
| Noise control | Sound Isolation |
| Number of Items | 1 |
| Sensitivity | 300 Ohm |
| Series Number | 700240 |
| Specific Uses For Product | Music |
| Style Name | Headphones |
| Subject Character | no subject character |
| Theme | Music |
| Unit Count | 1.0 Count |
| Warranty Description | 1 |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Bluetooth |
E**E
Outstanding Sound Quality and Comfort
I don’t consider myself an audiophile, but I do enjoy listening to my music the best way I possibly can and getting as much detail out of my recordings as possible. I use the HD 660S2 primarily with my vinyl setup through a JDS Labs Atom Amp 2, as well as a FiiO KA17 for my cellphone and laptop. The Sennheiser HD 660S2 exceeded my expectations. The sound is detailed, natural, and balanced, with excellent instrument separation and a deep, controlled bass response that never overwhelms the music. Vocals sound lifelike, acoustic instruments are beautifully rendered, and the headphones handle everything from rock and hip-hop to jazz and classical with ease. The imaging and soundstage create an immersive listening experience that keeps me discovering new details in albums I’ve heard many times before. Comfort is another strong point. The headphones are lightweight, well-built, and comfortable enough for long listening sessions without fatigue. The open-back design provides an airy, spacious presentation that makes music feel alive. If you’re looking for a headphone that helps you hear more of your music without sacrificing comfort or natural sound, the HD 660S2 is an easy recommendation. They’re worth every penny, specially if you can catch them on sale like I did.
V**A
Du pur Sennheiser
Son exceptionnel
D**Y
مقبوله ماهي الافضل فيه افضل بكثير وفيها اصوات غريبه
السماعه وصلتني خربانه اتوقع اذا حركت راسي او شي احس في طقه في السماعه من على اليسار مع اول يوم مع انها ماصار فيها اي شي من اول مافكيتها من الكرتون اتوقع من الشحن او خطاء مصنعي والله مدري + الاصوات مو افضل شي والله تحس الاصوات مكتومه وما تستاهل سعرها ابد سنهايزر فيها مشكله كل الاجيال الجديده خايسه خلك على القديم HD 600 650 هم الافضل من ناحيه كل شي وخاصه الاصوات والراحه ذي يمكن انصحك تشتريها لو سعرها 900 او 1100 بالكثير بعد خيبت ظني الشركه ودافع بسماعه 1900 وتطلع اصوات اذا حركت راسي انصدمت والله والكرتون حق المنتج وصلني مخدش وفيه طعوج من الشحن اتوقع الي صار لي من الشحن الزبده نصيحتي بعد بحث وكذا SENNHSAIR HD 600 و 650 افضل شي صدقني
P**H
Not worth the hype
Well…a few hours in and let’s say I am not overwhelmed. Very little difference between these and XM5s and maybe not so good. Returning.
U**.
Gutes Gerät
Typisch Sennheiser sehr gute Qualität
Trustpilot
1 day ago
3 weeks ago