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Transducer principle | dynamic |
Frequency response | to 41,500 Hz (–10 dB) |
Frequency characteristic | diffuse field equalized |
Ear coupling | circum-aural, open |
Contact pressure | approx. 6.0 N ± 1.0 N |
Nominal impedance | Ω |
Sound pressure level at 1 kHz | dB at 1 Vrms |
Long-term input power | max. 500 mW as per EN 60-268-7 |
THD | ≤ 0.04% (1 kHz, 100 dB) |
Cable | oxygen-free copper cable (OFC), 1,8 m |
Connector (see pin assignment) | stereo jack plug, gold-plated 1/4" (6.35 mm), unbalanced, 3-pin 4.4 mm, balanced, 5-pin |
Weight | approx. 260 g (without cable) |
Maximum value of the static magnetic field at the surface | 4.5 mT |
Operating temperature | –10°C to +55°C |
Pin assignment | ![]() |
Sonova Consumer Hearing GmbH
Am Labor 1, 30900 Wedemark, Germany, www.sennheiser-hearing.com
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download Sennheiser HD 660S2 - High-definition Headphones Manual
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