Orion XTRPRO104D 10" XTR PRO Series 3600 Watts Car Audio Sub Woofer Stereo Competition Subwoofer Power Handling: Peak: 1800 watts / RMS: 900 watts Custom Cast Aluminum Frame Custom Terminals Symmetrical Tuned Long-Throw Surround Custom Trim Ring Tinsel Leads Stitched and Looped Across Spider