Jamo A101 sub spares u1 and u2

[Funkyspike]

I had given my Jamo subwoofer model number A101 for repairs...I was told by the service center guy(non authorised) that he suspects two ICs, however the IC numbers have been removed from the ICs by Jamo.which was true as he had sent me the photo of the board.i wanted help in identfying the IC it somebody who can help me for repairs.I am from Cochin,Kerala