SoundXtreme ST-460 4x6" 3-Way Coaxial Car Speakers Audiobank the R168X2 is suited to

the R168X2 is suited to factory radios as well as modest aftermarket amplification

and speaker connections according to Rockford Fosgate instructions

then use an amplifier that is stable at the selected load and appropriately rated around the subwoofer's 400W RMS capability

dry surface with clear airflow around the fan and ventilation areas

SoundXtreme ST-460 4x6" 3-Way Coaxial Car Speakers Audiobank the R168X2 is suited toThe SoundXtreme ST 460 is a pair of 4x6 inch, 3 way coaxial car speakers for replacing worn or basic factory door, dash, or rear deck speakers where a 4x6 inch format is required. Their all in one coaxial design places the mid woofer and tweeter in each speaker assembly, helping simplify a conventional speaker upgrade. This pair is intended for vehicles and installations that use 4 ohm speakers. With a published frequency response of 60 Hz to 20,000