for all the people knockin em... those sony's will prolly outlast that amp and vehicle... we ran over 900w RMS **about 450 a piece** to 2 of the sony 10's **300w RMS** over a year ago in a customers car... and they're still runnin around to this day with them... they don't get too low... nor do they have the best SQ out of the subs we sell... but they will hold up and get loud with the right box... since we started selling them i haven't seen 1 defective one yet... that's pretty bad when the infinity subs we sell come back all the time...