The K 440 NC turns every trip by plane, train, or bus into a relaxed listening session. An integrated active noise reduction filter reduces noise-related stress to a minimum: for fatigue-free, restful traveling. The K 440 NC provides excellent comfort and, thanks to the unique 3D-Axis folding mechanism, takes up almost no space in your traveling bag.

MPN: K440NC
UPC: 9002761018554

- Active noise reduction
- Excellent hi-fi sound
- Electronic noise filter for optimum ambient-noise attentuation
- Unique 3D-Axis mechanism: headphones fold down quickly and easily
- The ideal headphones for travelling by air, rail, or bus
- Complete with carrying bag, airplane and stereo adapters
- Headphones weight without cable (g): 73
- Sensitivity (dB/mW, dB/V*): 125
- Audio bandwidth (Hz to kHz): 12-28
- Rated impedance (ohms): 32
- Active noise reduction
- Convertible jack plug (1/8" to 1/4")
- 3D-Axis (folding mechanism)
- Patented self-adjusting headband
- Unbreakable metal arches
- 99.99% oxygen-free cable (length in m)
- Hard gold-plated jack plug and contacts
- Closed-back, dynamic headphones
- NdFe magnets
- Suited for (SA)CD, DVD(A), DAT
- Best for MP3, CD, MD and PC/laptops
- Battery life (hours) electronic noise filter: 40