I currently have dez in my car now fixing to sell for 250 with ported box but its a nice sub. I would say its more deep than loud. Running a 100.1DX Powerbass to it, which gets about 1200 rms at 1 ohm, and dey pound but da amp blew dem. They are 500 watts rms and I wudnt go over dat. I say dis becuz i blew it with gain almost half way up and level at -10. but still good subs. have videos on you tube if u wanna hear