there single voice coil. and im not sure my amp can handle 1 ohm
i just checked nd its only 2 ohm stable.
the site you provided said DVC but single would be
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This is with 3 - 8ohm SVC subs
if they are 4 ohm, you can't do it, you can only get a 1.34 ohm load
-Seth
they shouldn't be overpowered if they're 250 watts and you have a 500 watt amp...