Sennheiser 700240 HD 660S-2 Wired Audiophile Open Back Dynamic Headphones Black

Warm inviting signature combined with extended sub bass for a uniquely pleasant sound. Retains extraordinary precision and balance throughout the sub bass. Ultra-light aluminum voice coil with 300 ohm impedance. Powerful vented magnet system for minimumized distortion. Plush ear cushions and open design for maximum comfort. Twice the sound pressure than previous models for improved impact of percussion. 38mm High performance dynamic drivers. Frequency response: 8-41500Hz. Includes: 6.3mm Cable. 4.4mm Cable. 6.3mm to 3.5mm adapter. Carry pouch.