MTX Audio 7512 - 22 75 Series Subwoofers<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Inverted Apex Surround Increases Surface Area and Xmax Resulting in Greater Volume Displacement and SPL</li><li>2-Layer Thermal Management to Ensure the Subwoofers Reliability Under Extreme Conditions</li><li>Integrated T-Yoke Heat sink Dissipates Heat from the Voice Coil</li></ul></div><img src="http://ecx.images-amazon.com/images/I/510u3lgJG9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51TRrnUdyeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41INnrNKWAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5101nsZEZML.jpg" noproxy>