Kicker KXA400.4

Hello, can someone identify these parts in a Kicker KXA400.4? They look like inductors but I don't know for sure, and I don't know the value. I haven't gotten the amp yet but I would like to add some of these to an order I will be placing tomorrow. Also, if anyone can tell me what this amp uses for PS FETs and output transistors along with any know commonly replaced parts for this model. Thanks.
 

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