What do you think of this? Need advice ASAP

2x - 12" JL W0's

1 Kenwood 600Watt (150rmsx2) amp (Amp has a couple paint chips on it, does not affect performance)
http://www.kenwoodusa.com/product/pr...&productId=713

Sealed box(to spec) + wiring from amp to box.


350 CAD (~ 260 USD) FIRM

The subs are used for a year and the guy claims he never pounded them hard. He only listened to them really heavily once a week at the most when he was driving to and from friend's places. Other than that (to and from work) he didn't. Is the price good? What doyou all think.