If we are talking big and powerful, then The Sovereign Audio The Sovereign amplifiers from Germany would probably take the prize. It produces 3KW in 8Ohm and 10KW in 1 Ohm.
It contains three transformers and are made to operate on a 3-phase electrical line of 400V. It will work with only 220V as well and if you put it on a 220V line it is specified to draw a maximum of 100A from your power line. Their weight are 165 kg each.
It contains three transformers and are made to operate on a 3-phase electrical line of 400V. It will work with only 220V as well and if you put it on a 220V line it is specified to draw a maximum of 100A from your power line. Their weight are 165 kg each.

