need suggestion which preamp is good???

[chelopr 10+ year member]

i need a preamp whic one is good???

In think my head unit (clarion db425) don't have enought power to move my rockford 250.a2, then i need a preamp with 5-7v output power. i need suggestion wich preamp is good quality and very good price. any sugg...!!!!???

head clarion

crossover coustic xm3

sub amp rocford 250.a2

subs 2-12 audiobahn dc

eq sentrek 7-band

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[indosia 10+ year member]

Phoenix gold makes a nice little 8 volt line amp, the PLD-1, It's only $99. Audio control is known for making high quality pre amps, line amps, and eqs. but there not as cheap. Make sure you get a good one otherwise it might make your system sound worse.