4-way speaker

Am planning to use the car stereo [alphine cda-9886] at home. My budget is around 4 to 5k and i require 2 pairs of speaker ( 4speakers) ( front and back). I found there are speaker which 4-way but comes with only 2 speakers. Is it good to go with this or go with 4 speakers( which they say as 2-way).

Any pointers..