Sennheiser HD 660S2 Headphones

Dynamic, open headphones with a 38 mm driver. Made in Ireland.

The Sennheiser HD 660S2 has an intimate, relaxed sound signature combined with outstanding precision and exceptional comfort — and now, extended sub-bass.

Features

• Uniquely powerful vented magnet system for minimized distortion
• Intimate sound with great timbre and deep, accurate sub bass
• Outstanding quality designed in Germany, made in Ireland
• Ultra-light aluminum voice coil with 300-ohm impedance for excellent impulse response
• Plush ear cushions and open design for maximum comfort

Included in the Box

• 6.3 mm cable (1.8 m)
• 4.4 mm cable (1.8 m)
• 6.3 mm to 3.5 mm adapter
• Carry pouch

Specifications

Transducer Size: 38 mm

Frequency Response (-10 dB): 8 – 41,000 Hz

Impedance: 300 Ω  

Weight: 260 g