Kicker 51KSC6904 6"x9" KS Series Front Door Factory Speaker Replacement Kit with Speaker Harness and Mounting Adapters for GMC Terrain 2018-2024 Bundle of 3 Items: Kicker 51KSC6904 6"x9" KS Series 2-Way Car Speakers (Pair) Vixen Go VGH-72-4572 Speaker Harness (Pair) Metra 82-3004 Speaker Mounting Adapters (Pair) 6"x9" 2-Way KS Series Car Speakers (Pair) Peak: 300 watts RMS: 150 watts Impedance: 4 ohms Sensitivity: 92dB Frequency Response: 30-21,000 Hz Polypropylene Woofer Cone Rubber Surround 1" Silk Dome Tweeter Preferred coaxial upgrade over factory sound Superior bass response and accurate musical reproduction Extended Dynamic Range Thin-Mount Design Easily Fits Behind Factory Grilles Top-mount Depth: 3-3/16" Speaker Harness (Pair) Connects Aftermarket Speakers to the Factory Speaker Harness Quick and Easy Installation No Cutting Needed Plugs Directly Into Vehicle's Speaker Connector Speaker Adapters (Pair) Adapts 6"x9" Aftermarket Speakers to the Factory Speaker Openings Quick and Easy Installation Durable ABS Construction