HELP! broken amp? or fuse problems? HELP!

[lesesneje 10+ year member]

i have a sony XM-D400P5 800 watt amplifier. every time i hook it up and turn the car on. the two fuses on the amp blow but the car fuse is fine. The fuses on the amp are 2x30amps and the main battery fuse is a 50amp. does anyone know why this is happening? could it be something wrong with the amplifiers inside parts?

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[imaspaceguy90 10+ year member]

SOmetimes that can mean a blown amp, or some of your wires on the amp may be crossed. Make sure none of your speaker cables or rca cables are damaged

 

[lesesneje 10+ year member]

How can i tell if the amp is blown? What should i look for? i looked inside the amp and none of the transitors seem to have become unsaudered. everything on the inside LOOKS to be okay and the wires are brand new. just took them off of my kenwood that was running my hcca and it was pounding prety hard. is there a specific part of the inside of the amp i should check out?