CELESTION FTR154080FD FTR Series 15-Inch 1000W Subwoofer， Set of 1<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 15" ferrite woofer provides 1000W rms power handling (AES Standard) </span></li><li><span class="a-list-item"> 97dB sensitivity </span></li><li><span class="a-list-item"> 4" high temperature Inside/Outside voice coil efficiently dissipates heat， preventing sensitivity loss through thermal compression </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/412pjCSkYtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41U8E2YLFVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51eICCZ7l9L.jpg" noproxy>