Sony Mdr-xb950/b Extra Bass Headphone (Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Model:Sealed dynamic. Driver unit: 40mm. Sensitivity: 106dB / mW. Magnet: neodymium. </span></li><li><span class="a-list-item"> Playback frequency: 3Hz-28000Hz. Impedance: 24Ω (1kHz). Maximum input: 1000mW. </span></li><li><span class="a-list-item"> Cord Length: about 1.2m. Code Type: Litz wire (Y type). Input Plug: Gold-plated L-type stereo mini plug. </span></li><li><span class="a-list-item"> Weight: about 245g (excluding cable). </span></li><li><span class="a-list-item"> You can enjoy the deep bass that sense of groove. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31lMoalZlYL.jpg" noproxy>