Sunsbell&reg; Car Door Projection LED Welcome Ghost Light Shadow Light for Audi Series,like Audi A1(2012-13); Audi A3(2010-13); A4(2003-08); A4L(2009-2013);A5(2008-12);A6(2000-04) Old A6L(2005-11);New A6L2.0/2.5/3.0(2012); A7(2012-13); old A8(2004-09), new A8(2011-13); R8(2007-13); Q3(2012); Q5(2010-12); Q7(2006-13); TT(2008-13) Component system with tweeter and crossover One-inch edge-driven, mylar-titanium tweeter High-quality, computer-optimized outboard crossover 241 Watts peak power handling; 4 ohm impedance Flush or surface mounting with Starfish mounting system