How do I test my subs outside my car?

[Gambino]

I'm wondering how to test my Kenwood 2 10'' subs. I have an amplifier that he gave me, but I don't know what to do with it. I heard you can use a computer PSU for it, but I don't want to risk anything.

I'm not exactly sure if these are the right brands, but I bought these from a friend in a ported box:

Kenwood KFC-W2513PS Performance Series 10" 4-ohm component sub at Crutchfield.com

Here is the amp:

http://www.amazon.com/AR1500M-ARMOR-500-Watt-Mosfet-Amplifier/dp/B004S55ES6/ref=cm_cr_pr_product_top

Here is how he said he wired it:

http://i.imgur.com/c5eULGx.png

Also, my dad said he has an amplifier at home, but it's 25 years old. He said it'd work fine since he used to work for a studio / audio stuff.

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