Headphones - - earplugs, closed construction, 3,5mm Jack, active noise control (ANC), frequency range: 20 Hz-19000 Hz, sensitivity: 109 dB/mW, impedance: 20 Ohm, removable cord length of 1m The SE425 is a headset that gives you accurate, balanced sound and rich bass, this all thanks to the woofer unit. If you want to comfortably carry the headphones, you can remove the power cord. The headphones are exceptional thanks to its special design that can reduce up to 37dB of ambient noise. Sound insulation technology prevents external audio stimuli from disturbing your listening experience. Each ear is different, so there are 3 sizes of interchangeable tips.The ergonomic and professional design is perfect in itself, but it is the sophisticated details that make this model superb. The cable will no longer annoy you, as the outlet is lead, unlike normal headphones, up and over your ear. Low impedance guarantees higher battery life of connected audio...