(1pair) 6.5″ Speaker Features: Peak power: 240 watts / RMS: 120 watts per pair. Rigid polypropylene cone material. Polyester foam speaker surround. Stamped steel basket. EVC technology, for excellent sound. 1/2″ zero protrusion PP tweeter. Top-mount Depth: 1-13/16″. 4 ohms impedance. Frequency Response: 40 – 20,000 Hz. Sensitivity: 90dB. Grilles included. (1pair) 6×9″ Speakers: Power: Peak: 360 watts / RMS: 180 watts per pair. Top-mount Depth: 3.25″ Cutout Dimensions: 5.625 x 8.4375″ 4 ohms impedance. Frequency Response: 30 – 20,000 Hz. Sensitivity: 92dB. Chevrolet: 2007-2013 Avalanche 2005-2010 Cobalt 2011-2013 Cruze 2008-2012 Express 1500/ 2500/ 3500 2009-2012 Express 4500 2006-2011 HHR 2008-2012 Malibu 2007-2013 Silverado 1500/ 2500HD 2007-2013 Suburban 1500/ 2500 2012-2013 Sonic 2007-2013 Tahoe 2009-2012 Traverse Cadillac: 2007-2013 Escalade 2007-2012 Escalade ESV/ EXT Buick: 2008-2012 Enclave 2006-2011 Lucerne 2012-2013 Verano GMC: 2007-2012 Acadia 2008-2012 Savana 1500/ 2500/ 3500 2009-2012 Savana 4500 2007-2013 Sierra 1500/ 2500HD/ 3500HD 1995-2013 Yukon 2000-2013 Yukon XL1500/ XL2500 Saturn: 2007-2009 Outlook