The Sennheiser HD 660S is based on the legendary HD 650 headphones prefered by professionals and hi-fi enthusiasts alike. The HD 660’s take the key elements from HD 650 and increase usability and performance to a whole new level. The 660’s have been designed to operate perfectly with mobile devices and portable DAC’s and include an excellent selection of cable and connection choices to suit most devices.
Sennheiser HD 660S Key Features
- Transducers with narrow tolerances (± 1 dB), hand-picked in pairs
- Optimised for minimum distortion
- Lightweight dynamic open construction
- Extremely comfortable earcup design
- Matte black and anthracite colour design
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.
Specifications;
Impedance = 150 Ω
Connector = 6.35 mm / 4.4 mm Pentaconn (3.5 to 6.35 adaptor included)
Frequency response = 10 – 41,000 Hz (-10 dB)
Sound pressure level (SPL) = 104 dB at 1V 1kHz
Ear coupling = Over-ear (circumaural)
THD + N, total harmonic distortion and noise = < 0,04% (1 kHz, 100 dB)
Transducer principle (headphones) = Dynamic, open
Weight w/o cable = Approx. 260 grams (without cable)
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