SENNHEISER HD 660 S - HiRes Audiophile Open Back Headphone
INDOBALI
Reference class open back, dynamic headphone employing new and improved transducers delivering low harmonic distortion
Transducers are hand selected for precise (1 dB) left / right matching tolerance insure exceptional accuracy and presentation of stereo spatial characteristics
150 ohm nominal impedance allows direct connection to home and mobile Hires audio devices. Contact pressure: 6.0 N - 1 N
Para aramid reinforced, detachable cables employ high conductive OFC copper to insure signal integrity with very low handling noise
Supplied with two connection cables: One with a 6.35 millimeter stereo plug, the other a 4.4 millimeter Pentaconn balanced stereo plug. Also included is a 6.35 millimeter to 3.5 millimeter adaptor. Connectivity Technology: Wired 6.35 millimeter / 4.4 millimeter Pentaconn
Frequency response 10 to 41,000 Hz ( 10 dB), Impedance 150 ohm
Note: Kindly refer to the user manual provided as a PDF manual in the product description section
From the brand
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We are audio experts and music lovers who’ve been striving for the best audio experience. Through the craft and precision of German Engineering we create innovative products to reinvent the future of audio with remarkable audio experiences that you don’t just hear – but feel. That is what the Sennheiser brand has represented for more than 75 years.
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Intense Science
We are driven by the passion to create audio solutions that make a difference, by constantly rediscovering the needs of our customers.
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Intense Sound
Our ability to redefine sound has continued to set the norm, allowing music lovers worldwide to experience sound in a new dimension.
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Intense Emotion
As audio fanatics we strive for a remarkable sound you not only hear – but feel. We measure our success by the goosebumps on your skin.
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We invite you to discover our wide variety of premium audio products, which are divided into the following four categories: Premium Headphones, Audiophile Headphones, Hearing Solutions and Soundbars.
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Premium Headphones
Offering a wide selection of headphone styles from True Wireless to Over-Ear for premium music enjoyment no matter where you are.
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Audiophile Headphones
Continuously striving to define new industry standards with headphones for both home and mobile listening.
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Hearing Solutions
Seeking to provide market-leading enhanced hearing products from TV listening to situational hearing.
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Soundbars
Providing outstanding immersive sound experiences for home entertainment by a single device.
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From the manufacturer
Sennheiser HD 660S
The powerhouse open-back headphone.
Connects you to the deepest corners of your music collection.
A direct connection to your music
Known for their engaging signatures and liquid-smooth response, HD 660S predecessors HD 650 and HD 600 shattered performance barriers in the audiophile headphone category.
The HD 660S transcends the best of that storied DNA with supernatural speed and effortless instrument reproduction—even at the bookends of the frequency spectrum. Utilizing an all-new transducer and specially ventilated drive unit, the HD 660S delivers the revealing, tack-sharp detail audiophiles demand without sacrificing the engaging dynamics that make music so enjoyable.
From our ears to yours
In just one listen you will understand why the HD 660S is so special. Thousands of listening sessions later its purpose is even clearer.
What you hear each and every time is the result of an open-back earcup mated to a new transducer tuned for the modern audiophile. Its speedy response is perfectly suited for reproducing those frequency-stretching recordings with confidence. Thanks to an aluminum voice coil, the 38mm diaphragm remains nimble for ultra-quick impulse fidelity across the board. This activation and rest behaviour unlocks the capability to communicate tonal and spatial characteristics precisely.
Meshing together
The steel mesh found on the HD 660S drive unit is interesting in design but most impressive when it comes to performance.
It completes the ventilated driver, offering consistent control of air displacement to reduce turbulence. As a result, diaphragm travel is pure, letting the music—and only the music—shine in a perfect balance of integrity and expression. The steel composition allows for much tighter production tolerances, ultimately contributing to remarkably consistent characteristics of each HD 660S produced. When combined with the open-back earcups, the sound emanating from each transducer is completely free to expand, just as it would in nature.
Capability, meet versatility
Today’s audiophile has more component choices than ever.
We optimized the HD 660S for efficiency on a wider range of devices to accommodate the varying levels of power present in output amplification circuitry. At 150 ohms, the HD 660S is the perfect partner for dedicated amplifiers, A/V receivers, and digital audio players (DAPs)—the magnet is more powerful than its predecessors, and thus easier to drive regardless of how your setup changes over time.
We also packed your HD 660S with a versatile set of essential cables, each one impedance-matched with ultra-low capacitance.
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Contact Info
- Address: Keppel Bay Building, 1 Harbour Avenue, Singapore
