Earsonics - S-EM6 Limited Edition Earphones with 6 Drivers<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sensitivity: 124 dB/mW</li><li>Frequency response : 10 Hz -20 kHz</li><li>Impedance: 60 ohms</li><li>Driver: 6 balanced armature drivers (2 lows， 2mediums， 2 highs)， 3-way passive crossover.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ytTeXqgEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21EapOETjoL.jpg" noproxy>