i've been interested in installing an in-dash gps player in my car. after a lot of CL searching, i've come to find out that it's a good idea to purchase a 4/channel amp to power my speakers.

what's a good wattage to power my stock speakers? i haven't found anything through the search bar. would this amp work out all right? http://www.sonicelectronix.com/item_...SL+F4.400.html

i've seen it on amazon for ~$50 shipped. i'm not trying to be cheap, just ball on a budget.

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also, i was thinking of purchasing this Orion sub with matching monoblock amp. i've always heard good things about orion amps, should i grab the matching sub or do you think there is a better sub for the same price range?


sub:
http://www.sonicelectronix.com/item_...09+Model-.html

amp:
http://www.sonicelectronix.com/item_...+-CO5001-.html


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i want to throw the sub in a bandpass box. just looking for advice/suggestions since i'm not very familiar with all this. thanks.

 

few more questions. this is the bandpass box i'm thinking of getting: http://cgi.ebay.com/BANDPASS-12-CAR-...d=p3911.c0.m14

would this fit in my trunk?

i have a tein springs and kyb struts, would i have a rubbing issue bc of all the weight from the box and subs and amps?


last but not least, do i need a capacitor? and if so, how big?

sorry for the noob questions.