Infinity Kappa 62.5i in the doors, and in the towers.

Some sort of 4 channel amp?



entry level sub and amp dedicated to sub?



Is this a good idea?



I'm not looking for the high end stuff, i just want decent sound at low cost.

Infinity kappa's aren't necessarily entry level, yes they will do.



A four channel yes, or a two channel, bridged, in series



yes, a sub, or two w/ dedicated amp.



A stiffening cap (stores battery power) a distribution block (allows 4guage in and several 10-12 guage out, easier to wire amps) and a circuit breaker ( inline w/4guage power) are also nice features to accompany the system.

May I suggest a 5 channel Hifonics amp.Get there mid line.The amp will send about 80 rms to four channels and the 5th for the sub at 200 rms--Should be able to pick up the amp for around 225.--You can not get any better than that.For that price and that power--