Alpine SPR-17S 6-1/2" Component 2-Way Speaker (Pair)
Pros: detailed and mostly smooth highs, bass extends down to 60Hz, will play loudly with no distortions, free mounting hardware for mids and tweeters.    Cons: need a lot of power    These components are among the few car speakers that can provide decent frequency response down to about 60Hz, provided that your doors have been sound proofed and you have a good amplifier. All in all I am very impressed. The highs are detailed but mellow. I have the tweeter setting at -2dB and I have hardly ever felt that the