Filter Filters Cadillac $100-$500 Remove All Filters Condition New (10) Brand Harmony Audio (10) Model Escalade EXT (10) Compatible with 2002-2013 Cadillac Escalade EXT Underseat Harmony A122 Dual... $496.99 Compatible with 2002-2013 Cadillac Escalade EXT Underseat Harmony R124 Dual... $326.99 2002-2013 Cadillac Escalade EXT Underseat Harmony R104 Dual 10" Sub Box... $356.99 Compatible with 2002-2013 Cadillac Escalade EXT Underseat Harmony F104 Dual... $494.99 Compatible with 2002-2013 Cadillac Escalade EXT Underseat Harmony R104 Dual... $310.99 2002-2013 Cadillac Escalade EXT Underseat Harmony A122 Dual 12 Sub Box Enclosure $280.99 2002-2013 Cadillac Escalade EXT Underseat Harmony R104 Dual 10 Sub Box Enclosure $225.99 2002-2013 Cadillac Escalade EXT Underseat Harmony A102 Dual 10 Sub Box Enclosure $249.99 2002-2013 Cadillac Escalade EXT Underseat Harmony F104 Dual 10 Sub Box Enclosure $239.99 2002-2013 Cadillac Escalade EXT Harmony Audio F124 Dual 12" Sub Box Enclosure $259.99