EMINENCE BETA12LTA 12-Inch American Standard Series Speakers<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><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) 225 Watts Power Handling (max) 450 Watts Impedance 8 ohms Frequency Response 48 to 8，000 Hz </span></li><li><span class="a-list-item"> Sensitivity 97.7 dB 1W/1m Voice Coil Diameter 2" Magnet Weight 38 ounce </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51KJGZNMeML.jpg" noproxy>