EMINENCE DELTA15B 15-Inch American Standard Series Speakers<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Kapton coil former Polyamide-imide coated copper voice coil Ferrite magnet Vented pole piece Pressed steel basket Paper cone Cloth accordion surround </span></li><li><span class="a-list-item"> Power Handling (RMS) 400 Watts Power Handling (max) 800 Watts Impedance 16 ohms </span></li><li><span class="a-list-item"> Frequency Response 64 to 4，000 Hz Sensitivity 100 dB 1W/1m Voice Coil Diameter 2.5" Magnet Weight 56 ounce </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51WjJLYVYjL.jpg" noproxy>