Sennheiser HD 660 S Headphones

$379.00
$379.00
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The Sennheiser HD 660 S is a reference-class open-back headphone engineered for a natural, articulate, and non-fatiguing sound. Succeeding the iconic HD 650, its updated 150-ohm transducers make it effortless to drive from high-res portable players and desktop amplifiers alike. Pre-owned unit, fully tested and inspected at Audio Occasion
  • Estimated delivery: Nov 11 - Nov 15

  • Free shipping for all purchase over 199.00$

The Sennheiser HD 660 S is a reference-class open-back headphone designed for a natural, detailed, and non-fatiguing listening experience. As the successor to the legendary HD 650, it features a new transducer design with lower impedance (150 ohms), making it significantly easier to drive with mobile high-res players and stationary amplifiers alike.

KEY FEATURES

Reference Sound: Delivers a warm-neutral sound signature with clear mids and smooth, detailed highs.
150-Ohm Impedance: Versatile enough to perform brilliantly with dedicated headphone amps or high-quality portable devices.
Hand-Selected Transducers: Each pair is carefully matched to maintain superior accuracy and consistency.
Superseded Model: While replaced by the HD 660S2, the original S model is still highly sought after for its specific "relaxed" presentation.
Superior Comfort: Features lightweight construction and elliptical ear cups with plush, replaceable velour cushions.
Dual Cable Options: Includes both a standard 6.35mm (1/4") cable and a 4.4mm Pentaconn balanced cable.

TECHNICAL SPECIFICATIONS
Type: Open-back, Circumaural (Over-Ear).
Transducer Principle: Dynamic.
Frequency Response: 10 Hz – 41,000 Hz (-10 dB).
Nominal Impedance: 150 Ohms.
Sound Pressure Level (SPL): 104 dB at 1