4 ohms..

And will they fit the standard locations?
Woofer
Dimensions:
Outer diameter 165 mm
Magnet diameter 100 mm
Mounting depth 76 mm
Mounting hole 140 mm
Nominal impedance, Z 4 ohms
Tweeter
Dimensions:
Voice coil diameter 20 mm
Overall size* 43 mm
Voice coil height 2 mm
For recessed mounting:
Mounting depth 18 mm
Mounting hole 46 mm
Magnet size 28 mm
Nominal impedance, Z 4 ohms