I ordered one of these just to test them out. I built a ported enclosure to the manufacturer specs. This little guy blew away everyone who heard it and swore it was a larger subwoofer. At one point I decided to put my 1200 RMS amplifier to it, do not recommend, it withstood two songs with only a small hint of clipping. after I let it cool down I continued to use it regularly with no issues. Wonderful little subwoofer.