***Demo model available in excellent condition. All original packaging and accessories are included, full warranty applies.***

Legendary headphones from Sennheiser. One of the best available options under $1,000 - they need a decent source to make them shine but if you feed them correctly they will perform extremely well. Extremely comfortable for long listening sessions.

HD660s Specifications

• Wearing style: Headband

• Color: matte black

• Frequency response (Headphones): 9 – 41,500 Hz

• Sound pressure level (SPL): 104 dB

• THD, total harmonic distortion: < 0,04%

• Contact pressure: 6.0 N ± 1 N

• Ear coupling: circumaural

• Connector: 6.35 mm / 4.4 mm Pentaconn

• Cable length: 3 m

• Transducer principle: Dynamic, open

• Nominal impedance: 150 Ω

• Weight w/o cable: 260 g