i have a pair of 6 1/2" speakers and a pair of 6X9 speakers and i want to buy an amp for them, i have nerrowd it down to these choices which should i go for? i also included the links to my speakers
SPEAKERS
Alpine SPS-600
http://techronics.com/caraudio_8200_...-Speakers.html

Alpine SPS-609
http://techronics.com/caraudio_8201_...-Speakers.html


AMPLIFIERS
Alpine MRP-F600
http://techronics.com/caraudio_8301_...Amplifier.html

Alphasonik PMA4150A
http://techronics.com/caraudio_3086_...Amplifier.html

Hifonics ZXI6410
http://techronics.com/caraudio_9706_...Amplifier.html

JL Audio G4500
http://techronics.com/caraudio_8994_...Amplifier.html

Kicker 08ZX650.4
http://techronics.com/caraudio_8230_...Amplifier.html