Check the listing for details. 4 (2 pair) 6.5" 6" Car Speaker Install Adapter Combo for some Acura RDX TL TSX. Condition: New. Listed at 17.95 USD. Brand New Speaker Install Brackets and Speaker Wire Harness Product Details: For select vehicles only. Combo for 4 speaker installation. Use to install aftermarket speakers. Save time when installing aftermarket speakers. Door Speaker Adapter. Made specifically for most 6", 6.5", 6.75" speakers. Might not work with over-sized 6.75" speakers. Speeds up installation time. Made from high grade plastic for a long lasting secure fit and corrosion resistance. Speaker wire harness use to plug and play to factory speaker connector. Installation Notes: Not all aftermarket speakers are the same size and depth, etc. Sometimes requires trimming/sanding/cutting/removing built in tabs inside of the adapter for speaker to fit properly which is normal. Not all speakers are exactly same size and these adapters are made for a wide range of possible sizes. Compatible Vehicles: Acura:2007-2012 RDX2009-2013 TL 2009-2013 TSX Honda:2008-2012 Accord 2010-2013 Crosstour 2006-2013 Civic 2012-2013 CR-V 2011-2013 CR-Z2010-2013 Insight 2011-2013 Odyssey