Often an amp sounds better from the wall outlet vs a power conditioner. In my opinion, you have to try it in each different scenario and judge for yourself. With that said you might want to consider a Balanced power conditioner such as an Equi=Tech. https://www.equitech.com
https://www.equitech.com/model-q-shelf-or-rack-mounted-chassis-systems/
https://www.equitech.com/model-q-shelf-or-rack-mounted-chassis-systems/