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I am in need of a new amp for my kicker cvr's, dual 4 ohm, 500 rms subs. i have come down to some different choices, but me not being an expert.... i dont know which one would be a better buy.

Hifonics zx1000
http://www.sonicelectronix.com/item_3788.html
Hifonics zx7500
http://www.sonicelectronix.com/item_367.html
MA hk898
http://www.sonicelectronix.com/item_3693.html
Soundstream xta880.2
http://www.sonicelectronix.com/item_2076.html
Alphasonik pma2300a
http://www.sonicelectronix.com/item_2820.html
Power Acoustik ts1920-2
http://www.sonicelectronix.com/item_6195.html
Audiobahn a2502dp
http://www.sonicelectronix.com/item_2306.html

Out of all of those amps, i would choose the first one.

The MA, Alphasonic, and audiobahn amps are not great quality.
The Hifonics should be perfect for the kickers.

i agree with tedd everything else you have there is shit. go with the hifonics there the best of the bunch.

thats what i was figuring with the hifonics cause i always thought they were pretty good stuff but didnt know about the rest. Now, between the two hifonics.... whats the difference in them. i think the first one is the new model and the other one is last years model??

Thats probably a good assumption that one is last years model. Other than that, the 2 amps are just about identical.