15-PR275 - Memphis 2.75" 15W RMS Speakers for Jeep Grand Cherokee Chrysler Dodge Infinity Cars Graphite reinforced polypropylene cone | Polyurethane surround Pivot mount PEI dome tweeter | Kapton voice coils OEM Replacement Speaker | 4-Ohm Impedance Power Handling: 30W Peak / 15W RMS | Frequency Response: 190-20, 000Hz | Sensitivity: 85dB 1W/1m Woofer Magnet: 3oz Barium Ferrite | Mounting Depth: 1.25"