Korpa 
The HD 415 open, dynamic stereo headphones feature an eye-catching design. You use them at home with a mini/compact hi-fi system, a PC or even with portable players in the street. The HD 415 offer superb wearing comfort and include a cable winder for adjusting the length of the single-sided cable.
| Nominal impedance | 32 Ω |
| Jack plug | 3,5/6,3 mm stereo |
| Transducer principle | dynamic, open |
| Ear coupling | supraaural |
| Cable length | 3 m |
| Weight w/o cable | 160 g |
| Frequency response (headphones) | 18 - 19000 Hz |
| Sound pressure level (SPL) | 110 dB |
| THD, total harmonic distortion | < 0,5 % |
