DS18 GFX-8K1 amplifier masked parts

This amp is in for repair, in circuit test are blown output, amplifier has power but going on protect. My problem is I’ll like to know the part number original or solid substitute for the output mosfets.
 

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Good day guys, the DS18 is up and running thanks to all who shared their experiences and knowledge.
I am currently on a MARTS 8000w with same basic layout except for the silkscreen designation. I’m afraid I’ll have to start a new thread for that as comparing parts won’t have the same mapping.