Sennheiser
Sennheiser 700240 HD 660S2 Audiophile Headphones
★★★★★
Experience Audio Excellence with the Sennheiser HD 660S2 Headphones Immerse yourself in the world of high-fidelity audio with the Sennheiser HD 660S2 wired audiophile headphones. These open-back headphones deliver a natural, relaxed sound signature with enhanced sub-bass, perfect for discerning m...
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Overview
Experience Audio Excellence with the Sennheiser HD 660S2 Headphones
Immerse yourself in the world of high-fidelity audio with the Sennheiser HD 660S2 wired audiophile headphones. These open-back headphones deliver a natural, relaxed sound signature with enhanced sub-bass, perfect for discerning music lovers. The optimized surround, transducer airflow, and vented magnet system ensure minimal distortion and exceptional clarity. Designed for comfort and extended listening sessions, these headphones combine outstanding quality with a timeless design.
Specifications:
- Frequency Response: 8 Hz - 41,500 Hz
- Impedance: 300 Ohm
- Sensitivity: 104 dB
- Headphones Jack: 6.35 mm Jack
- Connectivity: Wired
- Included Components: 4.4 mm cable (1.8 m), 6.3 mm cable (1.8 m), 6.3mm to 3.5mm adapter, Carry pouch
- Material: Aluminum
- Color: Black
- Ear Placement: Over Ear
- Weight: 260 Grams (9.2 ounces)
- Audio Driver Type: Dynamic Driver
- Special Features: Optimized Surround, Transducer Airflow, Vented Magnet System, Ultra-light aluminum voice coil
Key Features
Natural, relaxed, high-fidelity sound with extra sub bass: Ultra-light aluminum voice coil with 300-ohm impedance for excellent impulse response and an intimate sound with great timbre
Airflow-optimised 42mm high-performance transducers: Improved ventilation due to a uniquely powerful vented magnet system for minimal distortion and air displacement control through steel mesh damping
Double the sound pressure at the lowest octaves: You can feel the lowest note on the piano (27.5 Hz) or the kick of the bass drum (45-60 Hz) as if you were there, at the recording studio
Exceptional comfort and build quality: The open-back design offers exceptional breathability and the plush ear cushions deliver maximum comfort - for long listening sessions
Outstanding quality designed in Germany, made in Ireland: With a frequency response of 8 Hz - 41,500 Hz and detachable, long cables for comfortable desktop use
Specifications
Headphone Type
Audiophile, Open-back
Transducer Size
42mm
Voice Coil Material
Ultra-light aluminum
Impedance
300 ohm
Frequency Response
8 Hz - 41,500 Hz
Bass Performance
Double sound pressure at lowest octaves
Ear Cushions
Plush
Cable
Detachable, long
Design Origin
Germany
Manufacturing Location
Ireland
Pros & Cons
👍 Pros
- Delivers natural, relaxed, high-fidelity sound with enhanced sub-bass, enriching the listening experience.
- Equipped with an ultra-light aluminum voice coil and 300-ohm impedance, ensuring excellent impulse response and intimate sound.
- Features airflow-optimized 42mm high-performance transducers with improved ventilation, minimizing distortion.
- Offers double the sound pressure at the lowest octaves, allowing users to physically feel deep bass frequencies.
- Designed for exceptional comfort with an open-back design for breathability and plush ear cushions for long listening sessions.
- Built with outstanding quality, designed in Germany and made in Ireland, ensuring reliability and craftsmanship.
- Includes detachable, long cables, providing convenience and flexibility for desktop use.
👎 Cons
- The 300-ohm impedance may require a dedicated headphone amplifier to drive them effectively, especially with lower-power sources.
- The open-back design, while comfortable and contributing to soundstage, offers minimal passive noise isolation, making them less suitable for noisy environments.
- The "extra sub bass" might not appeal to listeners who prefer a strictly neutral or flat frequency response.
- While comfortable, the open-back nature means sound can leak out, potentially disturbing others in close proximity.
- The product focuses on sound quality and comfort but does not specify features like a built-in microphone or remote controls for mobile use.
Frequently Asked Questions
Do these headphones require a separate amplifier to perform optimally?
With a 300-ohm impedance, these headphones may benefit from a dedicated headphone amplifier to achieve their full dynamic range and optimal performance, especially when connected to devices with weaker outputs.
Are the Sennheiser HD 660S2 headphones suitable for use in noisy environments?
No, due to their open-back design, these headphones provide minimal passive noise isolation and are best suited for quiet listening environments where sound leakage is not an issue.
What is the frequency response of these headphones?
The Sennheiser HD 660S2 headphones offer a broad frequency response ranging from 8 Hz to 41,500 Hz, capturing a wide spectrum of audio details.
Are the cables on these headphones replaceable?
Yes, the headphones come with detachable, long cables, providing flexibility and the option for replacement or upgrades.
What kind of comfort features do the HD 660S2 headphones offer for long listening sessions?
These headphones are designed for exceptional comfort with an open-back design that allows for excellent breathability and plush ear cushions, ideal for extended listening.
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