Use to add aftermarket speakers to factory door location- Speeds up installation time. Speaker plate dimensions- depth- approximately 1.5 inches, width diameter- approximately 5.25"- can also be trimmed out to fit slightly wider mounting widths. Includes 4 pair for two doors- 4 plates and 4 speaker harnesses. VW: 2009-2015 CC, 1999-2014 Golf, 1999-2016 Jetta, 1998-2011 Beetle, 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Passat, 2007 2008 2009 Rabbit