RCF LF18G401 -Watt -Channel Live Sound Monitor ，<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 1800W continuous program power handling </span></li><li><span class="a-list-item"> 98 dB Sensitivity </span></li><li><span class="a-list-item"> 30 Hz - 1 kHz Frequency range </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41vDq2i8%2BkL.jpg" noproxy>