HD 660S2
Enjoy your music on a completely new level. An intimate, relaxed sound signature combines with outstanding precision and exceptional comfort — and now, extended sub bass — for a deeply moving experience.
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Extended sub bass
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Natural, warm sound
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Comfortable open-back design
Features
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Uniquely powerful vented magnet system for minimized distortion
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Intimate sound with great timbre and deep, accurate sub bass
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Outstanding quality designed in Germany, made in Ireland
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Ultra-light aluminum voice coil with 300-ohm impedance for excellent impulse response
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Plush ear cushions and open design for maximum comfort
Your new desert island headphone
Every high-end headphone has its own unique personality. What if you could only own one?
Sub bass expands the entire sound
Double the sub bass heightens your listening experience.
They feel as great as they sound
Comfy slippers, your favorite jeans, the HD 660S2. Some things just feel awesome to wear.
How do you one-up a line of legends?
Some of the most neutral headphones in the world are a tough act to follow.
What’s in the box
HD 660S2 headphones, 6.3 mm cable (1.8 m), 4.4 mm cable (1.8 m) , 6.3 mm to 3.5 mm adapter and carry pouch.
Your new daily driver
If you’re going to be inseparable, good looks are a must.
Specifications
- Article number (SKU)- 700240
- Transducer principle- dynamic, open
- Transducer size- 38 mm
- Frequency response- 8 – 41,500 Hz
- Impedance- 300 Ω
- Sound pressure level (SPL)- 104 dB (1 kHz, 1 Vrms)
- Total harmonic distortion (THD)- <0.04% (1 kHz, 100 dB)
- Ear coupling- Over-Ear
- Weight- 260g
- Adapter- 6.3 mm (1⁄4inch) to 3.5 mm
- Connector- 6.3 mm (1⁄4inch) jack plug, 4.4 mm balanced plug
- Cable length- 1.8m
- Country of origin- Ireland
- Magnetic field- 4.5mT