PowerBass OE65C-FD 6.5 Inch Direct Fit Ford Component Speakers 60w RMSPowerbass OE65C FD Ford Replacement 6. 5" Custom Fit Speakers Making any stock factory sound system sound fantastic is now a simple task with our OEM drop in replacement speakers for most 2011 and up Ford Lincoln cars, trucks and SUV's. Nominal Impedance: 4 ohm Voice Coil Size: 1. 0 in Material: PP woofer cone & inverted Titanium dome tweeter Sensitivity (1W 1M): 88 dB Mounting Depth: 1. 6 in Size: 6. 5 in Sensitivity: 88 dB Frequency Response: 70 Hz