These headphones are of good quality. The practical side is the wire length (129cm) and the fact that it is flat, convenient to unravel. The insulation is perfect and rare neutral signature sound without coloration (due to the rigid construction and sensitivity of 107dB) really suited to any style of music it is capable of reproducing bass nervous on without Simian Mobile Disco eat the rest of the sound spectrum, it also renders perfectly the broken voice of Lauryn Hill while revealing the acoustic guitar attacks ...