Because it's drawing more power than the fuse can handle get a fuse with a higher rating. A 100 app fuse worked great for main power with my setup 760w amp a 15"sub 2 10"subs and a 12" sub. Also my amp had 2 30amp fuses on it one for each channel but I ran everything out of one channel.
Answers & Comments
Have you tried another sub ? Make sure your ground is good. Sounds like a shorted out coil on the sub. Bad sub
Because it's drawing more power than the fuse can handle get a fuse with a higher rating. A 100 app fuse worked great for main power with my setup 760w amp a 15"sub 2 10"subs and a 12" sub. Also my amp had 2 30amp fuses on it one for each channel but I ran everything out of one channel.