Filter Filters Trailblazer Remove All Filters Price $100-$500 (9) Condition New (9) Brand Harmony Audio (9) Make Chevy (9) 2002-2009 Chevy Trailblazer Harmony R124 Single 12" Custom Sub Box Enclosure New $133.99 2002-2009 Chevy Trailblazer Harmony A122 Single 12" Custom Sub Box & CXA800.1... $391.99 2002-2009 Chevy Trailblazer Harmony A122 Single 12" Custom Sub Box Enclosure New $145.99 2002-2009 Chevy Trailblazer Harmony R124 Single 12" Custom Sub Box & CXA400.1... $275.99 2002-2009 Chevy Trailblazer Harmony F124 Single 12" Custom Sub Box & CXA400.1... $299.99 2002-2009 Chevy Trailblazer Harmony F124 Single 12" Custom Sub Box Enclosure New $159.99 Compatible with 2002-2009 Chevy Trailblazer Harmony F124 Single 12" Custom... $259.99 Compatible with 2002-2009 Chevy Trailblazer Harmony R124 Single 12" Custom... $235.99 Compatible with 2002-2009 Chevy Trailblazer Harmony A122 Single 12" Custom... $305.99