Is this good car audio equipment, and what amp would be good for these?

http://www.sonicelectronix.com/item_29824_Kicker-DS525.html 2 Sets, (1 front, 1 rear)
http://www.sonicelectronix.com/item_32693_FLI-Underground-FU12TP-F1.html
http://www.sonicelectronix.com/item_60597_Pioneer-FH-X700BT.html

Im just looking for decent audio, and is there anything else im missing? Im new to all of this

Thanks in advance.