I need some expert advice

I'm looking at a PPI amp for $109 on feeBay. Won't dropping the sub to 2 ohms increase it's RMS power?

Okay.....here's the deal. I'm a total idiot regarding car sound systems with a sub thrown in the mix. I'm trying to install a sound system in my 1989 Toyota pickup and wanted to see what a sub would do for the sound. That's why I fired off a signal flare for help.

 
No the power handling of the sub wont change but running it at 2 ohm you can get the power out of a smaller amp if at 8 ohm you would need a bigger amp then needed at 2 ohm.

Like Gary said that 5 channel would probably do good if not a nice 4 channel and a small mono amp would do perfect

 
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