amp power

I have just bought a 12" Pioneer Champion Series Subwoofer in a ported box for around $40.00 I am powering it with a 250 Watt JL Monoblock amp (JX 250/1 watt) I have heard the sub can handle up to 3500 watts? but on the actual sub it only says a little over 1000? Is my 250 watt amp under...

I am doing an install on a 2012 ford escape factory radio (no factory sub, no sync, no navigation). I am having trouble with the Polk 330a amp I'm putting in. As I mentioned the amp is turning off at mid volume. I have put a DMM to the ground and power wires and I get a reading between 13 &amp...