That's one of the many main filter capacitors and they're pretty important for the power supply, probably made a bang when it went out? Your subs fried because the amp sent straight DC to it, burning out the coil.
That's one of the many main filter capacitors and they're pretty important for the power supply, probably made a bang when it went out? Your subs fried because the amp sent straight DC to it, burning out the coil.