I have tried a few different things, 2.1 -5.1, wile 2.1 sounds very good and clear I feel that the 5.1 things are not as impressive... I'm more or less interested If i can even notice a difference with additional power

VP180v3, M80v2, QS8v4, Arcam AV860, Rotel RMB1585, Epson 5050ub