Had this sub for several months, sounds fantastic in a sealed box. Have it bridged into a Rockford t400 so it's only getting about 246watts. Handles much much more, hoping to upgrade my amp soon so I can push at least 600w into it. I would strongly recommend powering this sub with at least 400w. As previously mentioned it sounds fantastic in a sealed box, very deep and rich bass sound. However it doesn't rumble the car too much due to its box and low power source. Nonetheless I am completely satisfied and would recommend RE audio subs to anyone. On a side note, my friend has two alpine type r hooked to a 1000w amp. His definitely pounds harder but seems to have a limited range and doesn't puncture your ears with rich bass as my RE does. Again, I'm sure my sub could surpass my buddy's alpines in every aspect if I provide adequate power.
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