KRK R6G3 Generation 3 Passive Studio Monitor<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Tweeter: 1" Neodymium Soft Dome Tweeter with Ferro Fluid </span></li><li><span class="a-list-item"> Drivers: 6" Glass Aramid Composite Woofer </span></li><li><span class="a-list-item"> Impedance: 8 Ohms </span></li><li><span class="a-list-item"> Sensitivity: 87 dB @ 1M/1W </span></li><li><span class="a-list-item"> Frequency Response:4 9 Hz - 20 kHz， +/-2 dB </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4112DyC3vQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/0189TLtdcES.png" noproxy>