rockford fosgate amp, punch 600.4
74 x 4 watts rms cont power in 4 ohms with less than .05% thd from 20-20khz
150x4 watts rms continuous power into 2 ohms with less than .10% thd from 20khz-20khz
everything works fine, I bought it off a friend with a cheap pair of subs, subs broke pretty...