unmarked output FET, sundown SFB 500.4

[jellycream4me]

anyone know what they used in theese as output fets? the amp is not in question a sundown but a bass habit 500.4 but they are very simular. the ouput drivers are 4x csc3120 and 63v rail caps.

 

[ultra]

can you post a photo of the board ?

 

[jellycream4me]

of course, is this useable?

 

[laluns]

you can use irf540n