Focal CX/IFBMW-C 4" Coaxial Speaker for IFBMW-C 2-Way Coaxial Dedicated Kit Compatible With BMW vehicles, Sold Individually without Crossovers

This is an individual 4" coaxial speaker compatible with the IFBMW-C 2-Way Coaxial Dedicated Kit.
This speaker requires an external crossover to perform properly.
Woofer: 3-15/16 (100m)
Voice coil diameter: 1″ (25mm)
Voice coil height: 0-7/16 (11mm)
Magnet: 2-13/16 (72mm)
Tweeter: Aluminum/magnesium inverted dome
Max Power: 80W
RMS Power: 40W
Sensitivity: 90.5 dB
Frequency Response: 85Hz-22kHz
Nominal Impedance: 4Ω