HD 660 S2 Audiophile Wired Open-back Headphones

Dive deeper into legendary sound.

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.

Product 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
  
• Frequency response: 8 – 41,500 Hz
• Impedance: 300 Ω

What's in the box:

• HD 660S2 headphones
• 6.3 mm cable (1.8 m), 4.4 mm cable (1.8 m)
• 6.3mm to 3.5mm adapter
• Carry pouch